zoneinfo - update to tzdata2017b

46 files changed, 146 insertions, 110 deletions

diff --git a/zoneinfo/America/Araguaina.ics b/zoneinfo/America/Araguaina.ics
index cb064fb2..740115cb 100644
--- a/zoneinfo/America/Araguaina.ics
+++ b/zoneinfo/America/Araguaina.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Araguaina
+TZID:/citadel.org/20171021_2/America/Araguaina
 X-LIC-LOCATION:America/Araguaina
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:BRT
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Buenos_Aires.ics b/zoneinfo/America/Argentina/Buenos_Aires.ics
index 4454d165..8da36fdf 100644
--- a/zoneinfo/America/Argentina/Buenos_Aires.ics
+++ b/zoneinfo/America/Argentina/Buenos_Aires.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Buenos_Aires
+TZID:/citadel.org/20171021_2/America/Argentina/Buenos_Aires
 X-LIC-LOCATION:America/Argentina/Buenos_Aires
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Catamarca.ics b/zoneinfo/America/Argentina/Catamarca.ics
index 2e91adb7..1dc9c810 100644
--- a/zoneinfo/America/Argentina/Catamarca.ics
+++ b/zoneinfo/America/Argentina/Catamarca.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Catamarca
+TZID:/citadel.org/20171021_2/America/Argentina/Catamarca
 X-LIC-LOCATION:America/Argentina/Catamarca
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Cordoba.ics b/zoneinfo/America/Argentina/Cordoba.ics
index f16d481f..8dbc9089 100644
--- a/zoneinfo/America/Argentina/Cordoba.ics
+++ b/zoneinfo/America/Argentina/Cordoba.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Cordoba
+TZID:/citadel.org/20171021_2/America/Argentina/Cordoba
 X-LIC-LOCATION:America/Argentina/Cordoba
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Jujuy.ics b/zoneinfo/America/Argentina/Jujuy.ics
index d1cf37ae..d65c7013 100644
--- a/zoneinfo/America/Argentina/Jujuy.ics
+++ b/zoneinfo/America/Argentina/Jujuy.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Jujuy
+TZID:/citadel.org/20171021_2/America/Argentina/Jujuy
 X-LIC-LOCATION:America/Argentina/Jujuy
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/La_Rioja.ics b/zoneinfo/America/Argentina/La_Rioja.ics
index 47c7f1fb..b9ec5c3a 100644
--- a/zoneinfo/America/Argentina/La_Rioja.ics
+++ b/zoneinfo/America/Argentina/La_Rioja.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/La_Rioja
+TZID:/citadel.org/20171021_2/America/Argentina/La_Rioja
 X-LIC-LOCATION:America/Argentina/La_Rioja
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Mendoza.ics b/zoneinfo/America/Argentina/Mendoza.ics
index 6e0328a7..f9ec4b81 100644
--- a/zoneinfo/America/Argentina/Mendoza.ics
+++ b/zoneinfo/America/Argentina/Mendoza.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Mendoza
+TZID:/citadel.org/20171021_2/America/Argentina/Mendoza
 X-LIC-LOCATION:America/Argentina/Mendoza
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Rio_Gallegos.ics b/zoneinfo/America/Argentina/Rio_Gallegos.ics
index 618fff6c..dbad13ff 100644
--- a/zoneinfo/America/Argentina/Rio_Gallegos.ics
+++ b/zoneinfo/America/Argentina/Rio_Gallegos.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Rio_Gallegos
+TZID:/citadel.org/20171021_2/America/Argentina/Rio_Gallegos
 X-LIC-LOCATION:America/Argentina/Rio_Gallegos
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Salta.ics b/zoneinfo/America/Argentina/Salta.ics
index ee0ea738..52d51c63 100644
--- a/zoneinfo/America/Argentina/Salta.ics
+++ b/zoneinfo/America/Argentina/Salta.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/America/Argentina/Salta
+TZID:/citadel.org/20171021_2/America/Argentina/Salta
 X-LIC-LOCATION:America/Argentina/Salta
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/San_Juan.ics b/zoneinfo/America/Argentina/San_Juan.ics
index cd39d033..b7e1948b 100644
--- a/zoneinfo/America/Argentina/San_Juan.ics
+++ b/zoneinfo/America/Argentina/San_Juan.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/San_Juan
+TZID:/citadel.org/20171021_2/America/Argentina/San_Juan
 X-LIC-LOCATION:America/Argentina/San_Juan
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/San_Luis.ics b/zoneinfo/America/Argentina/San_Luis.ics
index c34f8fbd..ca83ecbb 100644
--- a/zoneinfo/America/Argentina/San_Luis.ics
+++ b/zoneinfo/America/Argentina/San_Luis.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_1/America/Argentina/San_Luis
+TZID:/citadel.org/20171021_2/America/Argentina/San_Luis
 X-LIC-LOCATION:America/Argentina/San_Luis
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Tucuman.ics b/zoneinfo/America/Argentina/Tucuman.ics
index 5b00d0f6..40ed9a00 100644
--- a/zoneinfo/America/Argentina/Tucuman.ics
+++ b/zoneinfo/America/Argentina/Tucuman.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Tucuman
+TZID:/citadel.org/20171021_2/America/Argentina/Tucuman
 X-LIC-LOCATION:America/Argentina/Tucuman
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Argentina/Ushuaia.ics b/zoneinfo/America/Argentina/Ushuaia.ics
index 510c2547..56714e7e 100644
--- a/zoneinfo/America/Argentina/Ushuaia.ics
+++ b/zoneinfo/America/Argentina/Ushuaia.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Argentina/Ushuaia
+TZID:/citadel.org/20171021_2/America/Argentina/Ushuaia
 X-LIC-LOCATION:America/Argentina/Ushuaia
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:ART
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Asuncion.ics b/zoneinfo/America/Asuncion.ics
index 537cb512..6d716429 100644
--- a/zoneinfo/America/Asuncion.ics
+++ b/zoneinfo/America/Asuncion.ics
@@ -2,19 +2,19 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_2/America/Asuncion
+TZID:/citadel.org/20171021_3/America/Asuncion
 X-LIC-LOCATION:America/Asuncion
 BEGIN:DAYLIGHT
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0300
-TZNAME:PYST
+TZNAME:-03
 DTSTART:19701004T000000
 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
 END:DAYLIGHT
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0400
-TZNAME:PYT
+TZNAME:-04
 DTSTART:19700322T000000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=4SU
 END:STANDARD
diff --git a/zoneinfo/America/Bahia.ics b/zoneinfo/America/Bahia.ics
index 5512bf94..73d87b1a 100644
--- a/zoneinfo/America/Bahia.ics
+++ b/zoneinfo/America/Bahia.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Bahia
+TZID:/citadel.org/20171021_2/America/Bahia
 X-LIC-LOCATION:America/Bahia
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:BRT
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Belem.ics b/zoneinfo/America/Belem.ics
index 30309717..e844ef22 100644
--- a/zoneinfo/America/Belem.ics
+++ b/zoneinfo/America/Belem.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Belem
+TZID:/citadel.org/20171021_2/America/Belem
 X-LIC-LOCATION:America/Belem
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:BRT
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Boa_Vista.ics b/zoneinfo/America/Boa_Vista.ics
index cefdf18b..8517f3ae 100644
--- a/zoneinfo/America/Boa_Vista.ics
+++ b/zoneinfo/America/Boa_Vista.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Boa_Vista
+TZID:/citadel.org/20171021_2/America/Boa_Vista
 X-LIC-LOCATION:America/Boa_Vista
 BEGIN:STANDARD
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0400
-TZNAME:AMT
+TZNAME:-04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Bogota.ics b/zoneinfo/America/Bogota.ics
index c1eeffc4..37847abc 100644
--- a/zoneinfo/America/Bogota.ics
+++ b/zoneinfo/America/Bogota.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Bogota
+TZID:/citadel.org/20171021_2/America/Bogota
 X-LIC-LOCATION:America/Bogota
 BEGIN:STANDARD
 TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
-TZNAME:COT
+TZNAME:-05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Campo_Grande.ics b/zoneinfo/America/Campo_Grande.ics
index 2f3cc6dc..2aee8911 100644
--- a/zoneinfo/America/Campo_Grande.ics
+++ b/zoneinfo/America/Campo_Grande.ics
@@ -2,19 +2,19 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_2/America/Campo_Grande
+TZID:/citadel.org/20171021_3/America/Campo_Grande
 X-LIC-LOCATION:America/Campo_Grande
 BEGIN:DAYLIGHT
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0300
-TZNAME:AMST
+TZNAME:-03
 DTSTART:19701018T000000
 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=3SU
 END:DAYLIGHT
 BEGIN:STANDARD
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0400
-TZNAME:AMT
+TZNAME:-04
 DTSTART:19700215T000000
 RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=3SU
 END:STANDARD
diff --git a/zoneinfo/America/Caracas.ics b/zoneinfo/America/Caracas.ics
index a6fbde5b..a7ca2ad2 100644
--- a/zoneinfo/America/Caracas.ics
+++ b/zoneinfo/America/Caracas.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_2/America/Caracas
+TZID:/citadel.org/20171021_3/America/Caracas
 X-LIC-LOCATION:America/Caracas
 BEGIN:STANDARD
-TZOFFSETFROM:-0430
-TZOFFSETTO:-0430
-TZNAME:VET
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0400
+TZNAME:-04
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Cayenne.ics b/zoneinfo/America/Cayenne.ics
index 35247073..229f1306 100644
--- a/zoneinfo/America/Cayenne.ics
+++ b/zoneinfo/America/Cayenne.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Cayenne
+TZID:/citadel.org/20171021_2/America/Cayenne
 X-LIC-LOCATION:America/Cayenne
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:GFT
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Cayman.ics b/zoneinfo/America/Cayman.ics
index bfc12885..99d9bce4 100644
--- a/zoneinfo/America/Cayman.ics
+++ b/zoneinfo/America/Cayman.ics
@@ -2,21 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20150816_2/America/Cayman
+TZID:/citadel.org/20171021_3/America/Cayman
 X-LIC-LOCATION:America/Cayman
-BEGIN:DAYLIGHT
-TZOFFSETFROM:-0500
-TZOFFSETTO:-0400
-TZNAME:EDT
-DTSTART:19700308T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
-END:DAYLIGHT
 BEGIN:STANDARD
-TZOFFSETFROM:-0400
+TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
 TZNAME:EST
-DTSTART:19701101T020000
-RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
+DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/America/Cuiaba.ics b/zoneinfo/America/Cuiaba.ics
index 313501a2..bc9d6018 100644
--- a/zoneinfo/America/Cuiaba.ics
+++ b/zoneinfo/America/Cuiaba.ics
@@ -2,19 +2,19 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20140920_2/America/Cuiaba
+TZID:/citadel.org/20171021_3/America/Cuiaba
 X-LIC-LOCATION:America/Cuiaba
 BEGIN:DAYLIGHT
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0300
-TZNAME:AMST
+TZNAME:-03
 DTSTART:19701018T000000
 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=3SU
 END:DAYLIGHT
 BEGIN:STANDARD
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0400
-TZNAME:AMT
+TZNAME:-04
 DTSTART:19700215T000000
 RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=3SU
 END:STANDARD
diff --git a/zoneinfo/America/Eirunepe.ics b/zoneinfo/America/Eirunepe.ics
index d2ef7fad..d29bc4de 100644
--- a/zoneinfo/America/Eirunepe.ics
+++ b/zoneinfo/America/Eirunepe.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Eirunepe
+TZID:/citadel.org/20171021_2/America/Eirunepe
 X-LIC-LOCATION:America/Eirunepe
 BEGIN:STANDARD
 TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
-TZNAME:ACT
+TZNAME:-05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Fort_Nelson.ics b/zoneinfo/America/Fort_Nelson.ics
new file mode 100644
index 00000000..d162c15a
--- /dev/null
+++ b/zoneinfo/America/Fort_Nelson.ics
@@ -0,0 +1,14 @@
+BEGIN:VCALENDAR
+PRODID:-//citadel.org//NONSGML Citadel calendar//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/citadel.org/20171021_1/America/Fort_Nelson
+X-LIC-LOCATION:America/Fort_Nelson
+BEGIN:STANDARD
+TZOFFSETFROM:-0700
+TZOFFSETTO:-0700
+TZNAME:MST
+DTSTART:19700101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/America/Fortaleza.ics b/zoneinfo/America/Fortaleza.ics
index 384dd115..3975a0b8 100644
--- a/zoneinfo/America/Fortaleza.ics
+++ b/zoneinfo/America/Fortaleza.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Fortaleza
+TZID:/citadel.org/20171021_2/America/Fortaleza
 X-LIC-LOCATION:America/Fortaleza
 BEGIN:STANDARD
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0300
-TZNAME:BRT
+TZNAME:-03
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Godthab.ics b/zoneinfo/America/Godthab.ics
index bed80824..df2e3656 100644
--- a/zoneinfo/America/Godthab.ics
+++ b/zoneinfo/America/Godthab.ics
@@ -2,19 +2,19 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Godthab
+TZID:/citadel.org/20171021_2/America/Godthab
 X-LIC-LOCATION:America/Godthab
 BEGIN:DAYLIGHT
 TZOFFSETFROM:-0300
 TZOFFSETTO:-0200
-TZNAME:WGST
+TZNAME:-02
 DTSTART:19700328T220000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SA
 END:DAYLIGHT
 BEGIN:STANDARD
 TZOFFSETFROM:-0200
 TZOFFSETTO:-0300
-TZNAME:WGT
+TZNAME:-03
 DTSTART:19701024T230000
 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SA
 END:STANDARD
diff --git a/zoneinfo/America/Guayaquil.ics b/zoneinfo/America/Guayaquil.ics
index fd940636..2cc7319d 100644
--- a/zoneinfo/America/Guayaquil.ics
+++ b/zoneinfo/America/Guayaquil.ics
@@ -2,12 +2,12 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/America/Guayaquil
+TZID:/citadel.org/20171021_2/America/Guayaquil
 X-LIC-LOCATION:America/Guayaquil
 BEGIN:STANDARD
 TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
-TZNAME:ECT
+TZNAME:-05
 DTSTART:19700101T000000
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Guyana.ics b/zoneinfo/America/Guyana.ics
index 48190f00..74051d36 100644
--- a/zoneinfo/America/Guyana.ics
+++ b/zoneinfo/America/Guyana.ics
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index 7cfd0901..00f5e208 100644
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index b0d5efe7..641499e7 100644
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