1 files changed, 4 insertions, 63 deletions
diff --git a/zoneinfo/America/Yellowknife.ics b/zoneinfo/America/Yellowknife.ics
index 45b9b70c..5ab53dd1 100644
--- a/zoneinfo/America/Yellowknife.ics
+++ b/zoneinfo/America/Yellowknife.ics
@@ -2,79 +2,20 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20170826_1/America/Yellowknife
-LAST-MODIFIED:20170826T195802Z
+TZID:/citadel.org/20070227_1/America/Yellowknife
 X-LIC-LOCATION:America/Yellowknife
-X-PROLEPTIC-TZNAME:-00
-BEGIN:STANDARD
-TZNAME:MST
-TZOFFSETFROM:+0000
-TZOFFSETTO:-0700
-DTSTART:19350101T000000
-END:STANDARD
 BEGIN:DAYLIGHT
-TZNAME:MWT
 TZOFFSETFROM:-0700
 TZOFFSETTO:-0600
-DTSTART:19420209T020000
-END:DAYLIGHT
-BEGIN:DAYLIGHT
-TZNAME:MPT
-TZOFFSETFROM:-0600
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-END:DAYLIGHT
-BEGIN:STANDARD
-TZNAME:MST
-TZOFFSETFROM:-0600
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-DTSTART:19450930T020000
-END:STANDARD
-BEGIN:DAYLIGHT
-TZNAME:MDDT
-TZOFFSETFROM:-0700
-TZOFFSETTO:-0500
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-BEGIN:STANDARD
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-TZOFFSETFROM:-0500
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-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19860427T090000Z
-END:DAYLIGHT
-BEGIN:STANDARD
-TZNAME:MST
-TZOFFSETFROM:-0600
-TZOFFSETTO:-0700
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-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20061029T080000Z
-END:STANDARD
-BEGIN:DAYLIGHT
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-TZOFFSETFROM:-0700
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-RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU;UNTIL=20060402T090000Z
-END:DAYLIGHT
-BEGIN:DAYLIGHT
 TZNAME:MDT
-TZOFFSETFROM:-0700
-TZOFFSETTO:-0600
-DTSTART:20070311T020000
+DTSTART:19700308T020000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:MST
 TZOFFSETFROM:-0600
 TZOFFSETTO:-0700
-DTSTART:20071104T020000
+TZNAME:MST
+DTSTART:19701101T020000
 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE