1 files changed, 70 insertions, 2 deletions
diff --git a/zoneinfo/Asia/Seoul.ics b/zoneinfo/Asia/Seoul.ics
index 87c85cb8..faabf590 100644
--- a/zoneinfo/Asia/Seoul.ics
+++ b/zoneinfo/Asia/Seoul.ics
@@ -2,13 +2,81 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20070227_1/Asia/Seoul
+TZID:/citadel.org/20170826_1/Asia/Seoul
+LAST-MODIFIED:20170826T195802Z
 X-LIC-LOCATION:Asia/Seoul
+X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
+TZNAME:KST
+TZOFFSETFROM:+082752
+TZOFFSETTO:+0830
+DTSTART:19080401T000000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:JST
+TZOFFSETFROM:+0830
+TZOFFSETTO:+0900
+DTSTART:19120101T000000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:KST
 TZOFFSETFROM:+0900
 TZOFFSETTO:+0900
+DTSTART:19450908T000000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:KST
+TZOFFSETFROM:+0900
+TZOFFSETTO:+0830
+DTSTART:19540321T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:KDT
+TZOFFSETFROM:+0830
+TZOFFSETTO:+0930
+DTSTART:19550505T000000
+RDATE:19560520T000000
+END:DAYLIGHT
+BEGIN:STANDARD
 TZNAME:KST
-DTSTART:19700101T000000
+TZOFFSETFROM:+0930
+TZOFFSETTO:+0830
+DTSTART:19550909T000000
+RDATE:19560930T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:KDT
+TZOFFSETFROM:+0830
+TZOFFSETTO:+0930
+DTSTART:19570505T000000
+RRULE:FREQ=YEARLY;BYMONTH=5;BYDAY=1SU;UNTIL=19600430T153000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:KST
+TZOFFSETFROM:+0930
+TZOFFSETTO:+0830
+DTSTART:19570922T000000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYMONTHDAY=18,19,20,21,22,23,24;BYDAY=SU;UNTIL=19600917T143000Z
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:KST
+TZOFFSETFROM:+0830
+TZOFFSETTO:+0900
+DTSTART:19610810T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:KDT
+TZOFFSETFROM:+0900
+TZOFFSETTO:+1000
+DTSTART:19870510T020000
+RRULE:FREQ=YEARLY;BYMONTH=5;BYDAY=2SU;UNTIL=19880507T170000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:KST
+TZOFFSETFROM:+1000
+TZOFFSETTO:+0900
+DTSTART:19871011T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=2SU;UNTIL=19881008T170000Z
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR