zoneinfo - update to tzdata2017b

65 files changed, 234 insertions, 196 deletions

diff --git a/zoneinfo/Asia/Aden.ics b/zoneinfo/Asia/Aden.ics
index 750edf8a..709fa460 100644
--- a/zoneinfo/Asia/Aden.ics
+++ b/zoneinfo/Asia/Aden.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Aden
+TZID:/citadel.org/20171021_2/Asia/Aden
 X-LIC-LOCATION:Asia/Aden
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Almaty.ics b/zoneinfo/Asia/Almaty.ics
index ec1e0a2e..9790e92a 100644
--- a/zoneinfo/Asia/Almaty.ics
+++ b/zoneinfo/Asia/Almaty.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Almaty
+TZID:/citadel.org/20171021_2/Asia/Almaty
 X-LIC-LOCATION:Asia/Almaty
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:ALMT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Anadyr.ics b/zoneinfo/Asia/Anadyr.ics
index 9522804a..944d77bc 100644
--- a/zoneinfo/Asia/Anadyr.ics
+++ b/zoneinfo/Asia/Anadyr.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110819_3/Asia/Anadyr
+TZID:/citadel.org/20171021_4/Asia/Anadyr
 X-LIC-LOCATION:Asia/Anadyr
 BEGIN:STANDARD
 TZOFFSETFROM:+1200
 TZOFFSETTO:+1200
-TZNAME:ANAT
+TZNAME:+12
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Aqtau.ics b/zoneinfo/Asia/Aqtau.ics
index c78bb41c..faf03bed 100644
--- a/zoneinfo/Asia/Aqtau.ics
+++ b/zoneinfo/Asia/Aqtau.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Aqtau
+TZID:/citadel.org/20171021_2/Asia/Aqtau
 X-LIC-LOCATION:Asia/Aqtau
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:AQTT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Aqtobe.ics b/zoneinfo/Asia/Aqtobe.ics
index 23da8a7b..3795086f 100644
--- a/zoneinfo/Asia/Aqtobe.ics
+++ b/zoneinfo/Asia/Aqtobe.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Aqtobe
+TZID:/citadel.org/20171021_2/Asia/Aqtobe
 X-LIC-LOCATION:Asia/Aqtobe
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:AQTT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Ashgabat.ics b/zoneinfo/Asia/Ashgabat.ics
index c33546fd..6d50baa1 100644
--- a/zoneinfo/Asia/Ashgabat.ics
+++ b/zoneinfo/Asia/Ashgabat.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Ashgabat
+TZID:/citadel.org/20171021_2/Asia/Ashgabat
 X-LIC-LOCATION:Asia/Ashgabat
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:TMT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Atyrau.ics b/zoneinfo/Asia/Atyrau.ics
new file mode 100644
index 00000000..250bcc1f
--- /dev/null
+++ b/zoneinfo/Asia/Atyrau.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/Asia/Atyrau
+X-LIC-LOCATION:Asia/Atyrau
+BEGIN:STANDARD
+TZOFFSETFROM:+0500
+TZOFFSETTO:+0500
+TZNAME:+05
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/Asia/Baghdad.ics b/zoneinfo/Asia/Baghdad.ics
index a0c55bb4..b8489674 100644
--- a/zoneinfo/Asia/Baghdad.ics
+++ b/zoneinfo/Asia/Baghdad.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110318_2/Asia/Baghdad
+TZID:/citadel.org/20171021_3/Asia/Baghdad
 X-LIC-LOCATION:Asia/Baghdad
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Bahrain.ics b/zoneinfo/Asia/Bahrain.ics
index 73af48a4..b7d9152c 100644
--- a/zoneinfo/Asia/Bahrain.ics
+++ b/zoneinfo/Asia/Bahrain.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Bahrain
+TZID:/citadel.org/20171021_2/Asia/Bahrain
 X-LIC-LOCATION:Asia/Bahrain
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Baku.ics b/zoneinfo/Asia/Baku.ics
index ed3fce10..10b8ea6d 100644
--- a/zoneinfo/Asia/Baku.ics
+++ b/zoneinfo/Asia/Baku.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Baku
+TZID:/citadel.org/20171021_2/Asia/Baku
 X-LIC-LOCATION:Asia/Baku
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0400
-TZOFFSETTO:+0500
-TZNAME:AZST
-DTSTART:19700329T040000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:DAYLIGHT
 BEGIN:STANDARD
-TZOFFSETFROM:+0500
+TZOFFSETFROM:+0400
 TZOFFSETTO:+0400
-TZNAME:AZT
-DTSTART:19701025T050000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+TZNAME:+04
+DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Bangkok.ics b/zoneinfo/Asia/Bangkok.ics
index 2bdc91b1..7efd7399 100644
--- a/zoneinfo/Asia/Bangkok.ics
+++ b/zoneinfo/Asia/Bangkok.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Bangkok
+TZID:/citadel.org/20171021_2/Asia/Bangkok
 X-LIC-LOCATION:Asia/Bangkok
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:ICT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Barnaul.ics b/zoneinfo/Asia/Barnaul.ics
new file mode 100644
index 00000000..7e2f2dbb
--- /dev/null
+++ b/zoneinfo/Asia/Barnaul.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/Asia/Barnaul
+X-LIC-LOCATION:Asia/Barnaul
+BEGIN:STANDARD
+TZOFFSETFROM:+0700
+TZOFFSETTO:+0700
+TZNAME:+07
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/Asia/Bishkek.ics b/zoneinfo/Asia/Bishkek.ics
index 436dd93b..f14a9f53 100644
--- a/zoneinfo/Asia/Bishkek.ics
+++ b/zoneinfo/Asia/Bishkek.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Bishkek
+TZID:/citadel.org/20171021_2/Asia/Bishkek
 X-LIC-LOCATION:Asia/Bishkek
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:KGT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Brunei.ics b/zoneinfo/Asia/Brunei.ics
index b37c9f74..d956a685 100644
--- a/zoneinfo/Asia/Brunei.ics
+++ b/zoneinfo/Asia/Brunei.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Brunei
+TZID:/citadel.org/20171021_2/Asia/Brunei
 X-LIC-LOCATION:Asia/Brunei
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:BNT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Chita.ics b/zoneinfo/Asia/Chita.ics
index 8b247a63..b79b6d2d 100644
--- a/zoneinfo/Asia/Chita.ics
+++ b/zoneinfo/Asia/Chita.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/Asia/Chita
+TZID:/citadel.org/20171021_2/Asia/Chita
 X-LIC-LOCATION:Asia/Chita
 BEGIN:STANDARD
-TZOFFSETFROM:+0800
-TZOFFSETTO:+0800
-TZNAME:IRKT
+TZOFFSETFROM:+0900
+TZOFFSETTO:+0900
+TZNAME:+09
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Choibalsan.ics b/zoneinfo/Asia/Choibalsan.ics
index e994e10b..df4b3f97 100644
--- a/zoneinfo/Asia/Choibalsan.ics
+++ b/zoneinfo/Asia/Choibalsan.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_3/Asia/Choibalsan
+TZID:/citadel.org/20171021_4/Asia/Choibalsan
 X-LIC-LOCATION:Asia/Choibalsan
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0800
-TZOFFSETTO:+0900
-TZNAME:CHOST
-DTSTART:19700328T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
-END:DAYLIGHT
 BEGIN:STANDARD
-TZOFFSETFROM:+0900
+TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:CHOT
-DTSTART:19700926T000000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SA
+TZNAME:+08
+DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Colombo.ics b/zoneinfo/Asia/Colombo.ics
index 502dab2c..13567cd9 100644
--- a/zoneinfo/Asia/Colombo.ics
+++ b/zoneinfo/Asia/Colombo.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Colombo
+TZID:/citadel.org/20171021_2/Asia/Colombo
 X-LIC-LOCATION:Asia/Colombo
 BEGIN:STANDARD
 TZOFFSETFROM:+0530
 TZOFFSETTO:+0530
-TZNAME:IST
+TZNAME:+0530
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Dhaka.ics b/zoneinfo/Asia/Dhaka.ics
index dabeebb6..92b14c01 100644
--- a/zoneinfo/Asia/Dhaka.ics
+++ b/zoneinfo/Asia/Dhaka.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Dhaka
+TZID:/citadel.org/20171021_2/Asia/Dhaka
 X-LIC-LOCATION:Asia/Dhaka
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:BDT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Dili.ics b/zoneinfo/Asia/Dili.ics
index 64857aed..8c837e18 100644
--- a/zoneinfo/Asia/Dili.ics
+++ b/zoneinfo/Asia/Dili.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Dili
+TZID:/citadel.org/20171021_2/Asia/Dili
 X-LIC-LOCATION:Asia/Dili
 BEGIN:STANDARD
 TZOFFSETFROM:+0900
 TZOFFSETTO:+0900
-TZNAME:TLT
+TZNAME:+09
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Dubai.ics b/zoneinfo/Asia/Dubai.ics
index 5c128a5b..34ee67ee 100644
--- a/zoneinfo/Asia/Dubai.ics
+++ b/zoneinfo/Asia/Dubai.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Dubai
+TZID:/citadel.org/20171021_2/Asia/Dubai
 X-LIC-LOCATION:Asia/Dubai
 BEGIN:STANDARD
 TZOFFSETFROM:+0400
 TZOFFSETTO:+0400
-TZNAME:GST
+TZNAME:+04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Dushanbe.ics b/zoneinfo/Asia/Dushanbe.ics
index da7d9fd4..ab8ebf30 100644
--- a/zoneinfo/Asia/Dushanbe.ics
+++ b/zoneinfo/Asia/Dushanbe.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Dushanbe
+TZID:/citadel.org/20171021_2/Asia/Dushanbe
 X-LIC-LOCATION:Asia/Dushanbe
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:TJT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Famagusta.ics b/zoneinfo/Asia/Famagusta.ics
new file mode 100644
index 00000000..f4f5e0bd
--- /dev/null
+++ b/zoneinfo/Asia/Famagusta.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/Asia/Famagusta
+X-LIC-LOCATION:Asia/Famagusta
+BEGIN:STANDARD
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0300
+TZNAME:+03
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/Asia/Gaza.ics b/zoneinfo/Asia/Gaza.ics
index 9aa2e5fd..6cdcc898 100644
--- a/zoneinfo/Asia/Gaza.ics
+++ b/zoneinfo/Asia/Gaza.ics
@@ -2,21 +2,21 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_5/Asia/Gaza
+TZID:/citadel.org/20171021_6/Asia/Gaza
 X-LIC-LOCATION:Asia/Gaza
-BEGIN:STANDARD
-TZOFFSETFROM:+0300
-TZOFFSETTO:+0200
-TZNAME:EET
-DTSTART:19701023T000000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYMONTHDAY=21,22,23,24,25,26,27;BYDAY=FR
-END:STANDARD
 BEGIN:DAYLIGHT
 TZOFFSETFROM:+0200
 TZOFFSETTO:+0300
 TZNAME:EEST
-DTSTART:19700327T235959
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1FR
+DTSTART:19700328T010000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
 END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0200
+TZNAME:EET
+DTSTART:19701031T010000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SA
+END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Hebron.ics b/zoneinfo/Asia/Hebron.ics
index 61bd15d0..876644ae 100644
--- a/zoneinfo/Asia/Hebron.ics
+++ b/zoneinfo/Asia/Hebron.ics
@@ -2,21 +2,21 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_3/Asia/Hebron
+TZID:/citadel.org/20171021_4/Asia/Hebron
 X-LIC-LOCATION:Asia/Hebron
-BEGIN:STANDARD
-TZOFFSETFROM:+0300
-TZOFFSETTO:+0200
-TZNAME:EET
-DTSTART:19701023T000000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYMONTHDAY=21,22,23,24,25,26,27;BYDAY=FR
-END:STANDARD
 BEGIN:DAYLIGHT
 TZOFFSETFROM:+0200
 TZOFFSETTO:+0300
 TZNAME:EEST
-DTSTART:19700327T235959
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1FR
+DTSTART:19700328T010000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
 END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0200
+TZNAME:EET
+DTSTART:19701031T010000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SA
+END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Ho_Chi_Minh.ics b/zoneinfo/Asia/Ho_Chi_Minh.ics
index 0c064561..2e731b1a 100644
--- a/zoneinfo/Asia/Ho_Chi_Minh.ics
+++ b/zoneinfo/Asia/Ho_Chi_Minh.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110318_1/Asia/Ho_Chi_Minh
+TZID:/citadel.org/20171021_2/Asia/Ho_Chi_Minh
 X-LIC-LOCATION:Asia/Ho_Chi_Minh
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:ICT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Hovd.ics b/zoneinfo/Asia/Hovd.ics
index fc07f4b5..822feb42 100644
--- a/zoneinfo/Asia/Hovd.ics
+++ b/zoneinfo/Asia/Hovd.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_3/Asia/Hovd
+TZID:/citadel.org/20171021_4/Asia/Hovd
 X-LIC-LOCATION:Asia/Hovd
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0700
-TZOFFSETTO:+0800
-TZNAME:HOVST
-DTSTART:19700328T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
-END:DAYLIGHT
 BEGIN:STANDARD
-TZOFFSETFROM:+0800
+TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:HOVT
-DTSTART:19700926T000000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SA
+TZNAME:+07
+DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Irkutsk.ics b/zoneinfo/Asia/Irkutsk.ics
index 2c5526cb..d6330b0a 100644
--- a/zoneinfo/Asia/Irkutsk.ics
+++ b/zoneinfo/Asia/Irkutsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Irkutsk
+TZID:/citadel.org/20171021_4/Asia/Irkutsk
 X-LIC-LOCATION:Asia/Irkutsk
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:IRKT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Istanbul.ics b/zoneinfo/Asia/Istanbul.ics
index f702eb60..b44ae049 100644
--- a/zoneinfo/Asia/Istanbul.ics
+++ b/zoneinfo/Asia/Istanbul.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110819_3/Asia/Istanbul
+TZID:/citadel.org/20171021_4/Asia/Istanbul
 X-LIC-LOCATION:Asia/Istanbul
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
-TZOFFSETTO:+0200
-TZNAME:EET
-DTSTART:19701025T040000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-END:STANDARD
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0200
 TZOFFSETTO:+0300
-TZNAME:EEST
-DTSTART:19700329T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-END:DAYLIGHT
+TZNAME:+03
+DTSTART:19700101T000000
+END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Kabul.ics b/zoneinfo/Asia/Kabul.ics
index b95ab852..3c306d47 100644
--- a/zoneinfo/Asia/Kabul.ics
+++ b/zoneinfo/Asia/Kabul.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Kabul
+TZID:/citadel.org/20171021_2/Asia/Kabul
 X-LIC-LOCATION:Asia/Kabul
 BEGIN:STANDARD
 TZOFFSETFROM:+0430
 TZOFFSETTO:+0430
-TZNAME:AFT
+TZNAME:+0430
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Kamchatka.ics b/zoneinfo/Asia/Kamchatka.ics
index 2bbe44ea..eb9ba685 100644
--- a/zoneinfo/Asia/Kamchatka.ics
+++ b/zoneinfo/Asia/Kamchatka.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110819_3/Asia/Kamchatka
+TZID:/citadel.org/20171021_4/Asia/Kamchatka
 X-LIC-LOCATION:Asia/Kamchatka
 BEGIN:STANDARD
 TZOFFSETFROM:+1200
 TZOFFSETTO:+1200
-TZNAME:PETT
+TZNAME:+12
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Kathmandu.ics b/zoneinfo/Asia/Kathmandu.ics
index 447e9807..73c47205 100644
--- a/zoneinfo/Asia/Kathmandu.ics
+++ b/zoneinfo/Asia/Kathmandu.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20110318_1/Asia/Kathmandu
+TZID:/citadel.org/20171021_2/Asia/Kathmandu
 X-LIC-LOCATION:Asia/Kathmandu
 BEGIN:STANDARD
 TZOFFSETFROM:+0545
 TZOFFSETTO:+0545
-TZNAME:NPT
+TZNAME:+0545
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Khandyga.ics b/zoneinfo/Asia/Khandyga.ics
index 6c86e495..bc0eab42 100644
--- a/zoneinfo/Asia/Khandyga.ics
+++ b/zoneinfo/Asia/Khandyga.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/Asia/Khandyga
+TZID:/citadel.org/20171021_2/Asia/Khandyga
 X-LIC-LOCATION:Asia/Khandyga
 BEGIN:STANDARD
 TZOFFSETFROM:+0900
 TZOFFSETTO:+0900
-TZNAME:YAKT
+TZNAME:+09
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Krasnoyarsk.ics b/zoneinfo/Asia/Krasnoyarsk.ics
index 5d636890..1265a823 100644
--- a/zoneinfo/Asia/Krasnoyarsk.ics
+++ b/zoneinfo/Asia/Krasnoyarsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Krasnoyarsk
+TZID:/citadel.org/20171021_4/Asia/Krasnoyarsk
 X-LIC-LOCATION:Asia/Krasnoyarsk
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:KRAT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Kuala_Lumpur.ics b/zoneinfo/Asia/Kuala_Lumpur.ics
index c38477d7..8fa6275b 100644
--- a/zoneinfo/Asia/Kuala_Lumpur.ics
+++ b/zoneinfo/Asia/Kuala_Lumpur.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Kuala_Lumpur
+TZID:/citadel.org/20171021_2/Asia/Kuala_Lumpur
 X-LIC-LOCATION:Asia/Kuala_Lumpur
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:MYT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Kuching.ics b/zoneinfo/Asia/Kuching.ics
index b00ca2a5..4166f44d 100644
--- a/zoneinfo/Asia/Kuching.ics
+++ b/zoneinfo/Asia/Kuching.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Kuching
+TZID:/citadel.org/20171021_2/Asia/Kuching
 X-LIC-LOCATION:Asia/Kuching
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:MYT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Kuwait.ics b/zoneinfo/Asia/Kuwait.ics
index 4768a289..150a658a 100644
--- a/zoneinfo/Asia/Kuwait.ics
+++ b/zoneinfo/Asia/Kuwait.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Kuwait
+TZID:/citadel.org/20171021_2/Asia/Kuwait
 X-LIC-LOCATION:Asia/Kuwait
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Magadan.ics b/zoneinfo/Asia/Magadan.ics
index 0d8845f6..cea2c12f 100644
--- a/zoneinfo/Asia/Magadan.ics
+++ b/zoneinfo/Asia/Magadan.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Magadan
+TZID:/citadel.org/20171021_4/Asia/Magadan
 X-LIC-LOCATION:Asia/Magadan
 BEGIN:STANDARD
-TZOFFSETFROM:+1000
-TZOFFSETTO:+1000
-TZNAME:MAGT
+TZOFFSETFROM:+1100
+TZOFFSETTO:+1100
+TZNAME:+11
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Manila.ics b/zoneinfo/Asia/Manila.ics
index 048208a2..eae5558f 100644
--- a/zoneinfo/Asia/Manila.ics
+++ b/zoneinfo/Asia/Manila.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Manila
+TZID:/citadel.org/20171021_2/Asia/Manila
 X-LIC-LOCATION:Asia/Manila
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:PHT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Muscat.ics b/zoneinfo/Asia/Muscat.ics
index 8b32fe2d..07a9d48b 100644
--- a/zoneinfo/Asia/Muscat.ics
+++ b/zoneinfo/Asia/Muscat.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Muscat
+TZID:/citadel.org/20171021_2/Asia/Muscat
 X-LIC-LOCATION:Asia/Muscat
 BEGIN:STANDARD
 TZOFFSETFROM:+0400
 TZOFFSETTO:+0400
-TZNAME:GST
+TZNAME:+04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Novokuznetsk.ics b/zoneinfo/Asia/Novokuznetsk.ics
index 06391825..3833b67c 100644
--- a/zoneinfo/Asia/Novokuznetsk.ics
+++ b/zoneinfo/Asia/Novokuznetsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Novokuznetsk
+TZID:/citadel.org/20171021_4/Asia/Novokuznetsk
 X-LIC-LOCATION:Asia/Novokuznetsk
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:KRAT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Novosibirsk.ics b/zoneinfo/Asia/Novosibirsk.ics
index 8684c77a..99e137c6 100644
--- a/zoneinfo/Asia/Novosibirsk.ics
+++ b/zoneinfo/Asia/Novosibirsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Novosibirsk
+TZID:/citadel.org/20171021_4/Asia/Novosibirsk
 X-LIC-LOCATION:Asia/Novosibirsk
 BEGIN:STANDARD
-TZOFFSETFROM:+0600
-TZOFFSETTO:+0600
-TZNAME:NOVT
+TZOFFSETFROM:+0700
+TZOFFSETTO:+0700
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Omsk.ics b/zoneinfo/Asia/Omsk.ics
index 53e2449b..2da8d314 100644
--- a/zoneinfo/Asia/Omsk.ics
+++ b/zoneinfo/Asia/Omsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Omsk
+TZID:/citadel.org/20171021_4/Asia/Omsk
 X-LIC-LOCATION:Asia/Omsk
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:OMST
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Oral.ics b/zoneinfo/Asia/Oral.ics
index 07d0bc8d..36ff086e 100644
--- a/zoneinfo/Asia/Oral.ics
+++ b/zoneinfo/Asia/Oral.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Oral
+TZID:/citadel.org/20171021_2/Asia/Oral
 X-LIC-LOCATION:Asia/Oral
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:ORAT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Phnom_Penh.ics b/zoneinfo/Asia/Phnom_Penh.ics
index 41ea6a05..7080bbb1 100644
--- a/zoneinfo/Asia/Phnom_Penh.ics
+++ b/zoneinfo/Asia/Phnom_Penh.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Phnom_Penh
+TZID:/citadel.org/20171021_2/Asia/Phnom_Penh
 X-LIC-LOCATION:Asia/Phnom_Penh
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:ICT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Qatar.ics b/zoneinfo/Asia/Qatar.ics
index d3b94953..69c1ca64 100644
--- a/zoneinfo/Asia/Qatar.ics
+++ b/zoneinfo/Asia/Qatar.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Qatar
+TZID:/citadel.org/20171021_2/Asia/Qatar
 X-LIC-LOCATION:Asia/Qatar
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Qyzylorda.ics b/zoneinfo/Asia/Qyzylorda.ics
index 833abd8c..50771016 100644
--- a/zoneinfo/Asia/Qyzylorda.ics
+++ b/zoneinfo/Asia/Qyzylorda.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Qyzylorda
+TZID:/citadel.org/20171021_2/Asia/Qyzylorda
 X-LIC-LOCATION:Asia/Qyzylorda
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:QYZT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Riyadh.ics b/zoneinfo/Asia/Riyadh.ics
index 09bf03ab..b86901d9 100644
--- a/zoneinfo/Asia/Riyadh.ics
+++ b/zoneinfo/Asia/Riyadh.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Riyadh
+TZID:/citadel.org/20171021_2/Asia/Riyadh
 X-LIC-LOCATION:Asia/Riyadh
 BEGIN:STANDARD
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0300
-TZNAME:AST
+TZNAME:+03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Sakhalin.ics b/zoneinfo/Asia/Sakhalin.ics
index 876f9695..151d3bbb 100644
--- a/zoneinfo/Asia/Sakhalin.ics
+++ b/zoneinfo/Asia/Sakhalin.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Sakhalin
+TZID:/citadel.org/20171021_4/Asia/Sakhalin
 X-LIC-LOCATION:Asia/Sakhalin
 BEGIN:STANDARD
-TZOFFSETFROM:+1000
-TZOFFSETTO:+1000
-TZNAME:SAKT
+TZOFFSETFROM:+1100
+TZOFFSETTO:+1100
+TZNAME:+11
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Samarkand.ics b/zoneinfo/Asia/Samarkand.ics
index 13f68093..c498a0a7 100644
--- a/zoneinfo/Asia/Samarkand.ics
+++ b/zoneinfo/Asia/Samarkand.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Samarkand
+TZID:/citadel.org/20171021_2/Asia/Samarkand
 X-LIC-LOCATION:Asia/Samarkand
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:UZT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Singapore.ics b/zoneinfo/Asia/Singapore.ics
index 0ce1d9ba..ef430bf1 100644
--- a/zoneinfo/Asia/Singapore.ics
+++ b/zoneinfo/Asia/Singapore.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Singapore
+TZID:/citadel.org/20171021_2/Asia/Singapore
 X-LIC-LOCATION:Asia/Singapore
 BEGIN:STANDARD
 TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:SGT
+TZNAME:+08
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Srednekolymsk.ics b/zoneinfo/Asia/Srednekolymsk.ics
index b878d4b1..2b13b2cb 100644
--- a/zoneinfo/Asia/Srednekolymsk.ics
+++ b/zoneinfo/Asia/Srednekolymsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/Asia/Srednekolymsk
+TZID:/citadel.org/20171021_2/Asia/Srednekolymsk
 X-LIC-LOCATION:Asia/Srednekolymsk
 BEGIN:STANDARD
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1100
-TZNAME:SRET
+TZNAME:+11
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Tashkent.ics b/zoneinfo/Asia/Tashkent.ics
index 671865c2..a99685b0 100644
--- a/zoneinfo/Asia/Tashkent.ics
+++ b/zoneinfo/Asia/Tashkent.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Tashkent
+TZID:/citadel.org/20171021_2/Asia/Tashkent
 X-LIC-LOCATION:Asia/Tashkent
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:UZT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Tbilisi.ics b/zoneinfo/Asia/Tbilisi.ics
index bf7cbd9f..42cdb978 100644
--- a/zoneinfo/Asia/Tbilisi.ics
+++ b/zoneinfo/Asia/Tbilisi.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Tbilisi
+TZID:/citadel.org/20171021_2/Asia/Tbilisi
 X-LIC-LOCATION:Asia/Tbilisi
 BEGIN:STANDARD
 TZOFFSETFROM:+0400
 TZOFFSETTO:+0400
-TZNAME:GET
+TZNAME:+04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Tehran.ics b/zoneinfo/Asia/Tehran.ics
index ba86b920..f1d8ac63 100644
--- a/zoneinfo/Asia/Tehran.ics
+++ b/zoneinfo/Asia/Tehran.ics
@@ -2,13 +2,21 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Tehran
+TZID:/citadel.org/20171021_2/Asia/Tehran
 X-LIC-LOCATION:Asia/Tehran
-BEGIN:STANDARD
+BEGIN:DAYLIGHT
 TZOFFSETFROM:+0330
+TZOFFSETTO:+0430
+TZNAME:+0430
+DTSTART:19700321T000000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=3SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0430
 TZOFFSETTO:+0330
-TZNAME:IRST
-DTSTART:19700101T000000
+TZNAME:+0330
+DTSTART:19700921T000000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=3SU
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Thimphu.ics b/zoneinfo/Asia/Thimphu.ics
index f0b06dae..8d4c2e74 100644
--- a/zoneinfo/Asia/Thimphu.ics
+++ b/zoneinfo/Asia/Thimphu.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Thimphu
+TZID:/citadel.org/20171021_2/Asia/Thimphu
 X-LIC-LOCATION:Asia/Thimphu
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:BTT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Tomsk.ics b/zoneinfo/Asia/Tomsk.ics
new file mode 100644
index 00000000..a3c4783e
--- /dev/null
+++ b/zoneinfo/Asia/Tomsk.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/Asia/Tomsk
+X-LIC-LOCATION:Asia/Tomsk
+BEGIN:STANDARD
+TZOFFSETFROM:+0700
+TZOFFSETTO:+0700
+TZNAME:+07
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/Asia/Ulaanbaatar.ics b/zoneinfo/Asia/Ulaanbaatar.ics
index abb70435..143265a2 100644
--- a/zoneinfo/Asia/Ulaanbaatar.ics
+++ b/zoneinfo/Asia/Ulaanbaatar.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_3/Asia/Ulaanbaatar
+TZID:/citadel.org/20171021_4/Asia/Ulaanbaatar
 X-LIC-LOCATION:Asia/Ulaanbaatar
-BEGIN:DAYLIGHT
-TZOFFSETFROM:+0800
-TZOFFSETTO:+0900
-TZNAME:ULAST
-DTSTART:19700328T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
-END:DAYLIGHT
 BEGIN:STANDARD
-TZOFFSETFROM:+0900
+TZOFFSETFROM:+0800
 TZOFFSETTO:+0800
-TZNAME:ULAT
-DTSTART:19700926T000000
-RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SA
+TZNAME:+08
+DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Asia/Urumqi.ics b/zoneinfo/Asia/Urumqi.ics
index 146a299f..b48ea857 100644
--- a/zoneinfo/Asia/Urumqi.ics
+++ b/zoneinfo/Asia/Urumqi.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_2/Asia/Urumqi
+TZID:/citadel.org/20171021_3/Asia/Urumqi
 X-LIC-LOCATION:Asia/Urumqi
 BEGIN:STANDARD
 TZOFFSETFROM:+0600
 TZOFFSETTO:+0600
-TZNAME:XJT
+TZNAME:+06
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Ust-Nera.ics b/zoneinfo/Asia/Ust-Nera.ics
index b889e856..87d63788 100644
--- a/zoneinfo/Asia/Ust-Nera.ics
+++ b/zoneinfo/Asia/Ust-Nera.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/Asia/Ust-Nera
+TZID:/citadel.org/20171021_2/Asia/Ust-Nera
 X-LIC-LOCATION:Asia/Ust-Nera
 BEGIN:STANDARD
 TZOFFSETFROM:+1000
 TZOFFSETTO:+1000
-TZNAME:VLAT
+TZNAME:+10
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Vientiane.ics b/zoneinfo/Asia/Vientiane.ics
index b31523aa..b9664834 100644
--- a/zoneinfo/Asia/Vientiane.ics
+++ b/zoneinfo/Asia/Vientiane.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Vientiane
+TZID:/citadel.org/20171021_2/Asia/Vientiane
 X-LIC-LOCATION:Asia/Vientiane
 BEGIN:STANDARD
 TZOFFSETFROM:+0700
 TZOFFSETTO:+0700
-TZNAME:ICT
+TZNAME:+07
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Vladivostok.ics b/zoneinfo/Asia/Vladivostok.ics
index 3858c092..925297df 100644
--- a/zoneinfo/Asia/Vladivostok.ics
+++ b/zoneinfo/Asia/Vladivostok.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Vladivostok
+TZID:/citadel.org/20171021_4/Asia/Vladivostok
 X-LIC-LOCATION:Asia/Vladivostok
 BEGIN:STANDARD
 TZOFFSETFROM:+1000
 TZOFFSETTO:+1000
-TZNAME:VLAT
+TZNAME:+10
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Yakutsk.ics b/zoneinfo/Asia/Yakutsk.ics
index befa8881..eddce02b 100644
--- a/zoneinfo/Asia/Yakutsk.ics
+++ b/zoneinfo/Asia/Yakutsk.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Yakutsk
+TZID:/citadel.org/20171021_4/Asia/Yakutsk
 X-LIC-LOCATION:Asia/Yakutsk
 BEGIN:STANDARD
 TZOFFSETFROM:+0900
 TZOFFSETTO:+0900
-TZNAME:YAKT
+TZNAME:+09
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Yangon.ics b/zoneinfo/Asia/Yangon.ics
new file mode 100644
index 00000000..38c59b14
--- /dev/null
+++ b/zoneinfo/Asia/Yangon.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/Asia/Yangon
+X-LIC-LOCATION:Asia/Yangon
+BEGIN:STANDARD
+TZOFFSETFROM:+0630
+TZOFFSETTO:+0630
+TZNAME:+0630
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/Asia/Yekaterinburg.ics b/zoneinfo/Asia/Yekaterinburg.ics
index b7af9ffc..4b4a9c48 100644
--- a/zoneinfo/Asia/Yekaterinburg.ics
+++ b/zoneinfo/Asia/Yekaterinburg.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_3/Asia/Yekaterinburg
+TZID:/citadel.org/20171021_4/Asia/Yekaterinburg
 X-LIC-LOCATION:Asia/Yekaterinburg
 BEGIN:STANDARD
 TZOFFSETFROM:+0500
 TZOFFSETTO:+0500
-TZNAME:YEKT
+TZNAME:+05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Asia/Yerevan.ics b/zoneinfo/Asia/Yerevan.ics
index 779299ab..8dd2d243 100644
--- a/zoneinfo/Asia/Yerevan.ics
+++ b/zoneinfo/Asia/Yerevan.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20130218_2/Asia/Yerevan
+TZID:/citadel.org/20171021_3/Asia/Yerevan
 X-LIC-LOCATION:Asia/Yerevan
 BEGIN:STANDARD
 TZOFFSETFROM:+0400
 TZOFFSETTO:+0400
-TZNAME:AMT
+TZNAME:+04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE