1 files changed, 3 insertions, 70 deletions
diff --git a/zoneinfo/America/Porto_Velho.ics b/zoneinfo/America/Porto_Velho.ics
index 4c3721b1..66b272d5 100644
--- a/zoneinfo/America/Porto_Velho.ics
+++ b/zoneinfo/America/Porto_Velho.ics
@@ -2,80 +2,13 @@ BEGIN:VCALENDAR
 PRODID:-//citadel.org//NONSGML Citadel calendar//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/citadel.org/20170826_1/America/Porto_Velho
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+TZID:/citadel.org/20070227_1/America/Porto_Velho
 X-LIC-LOCATION:America/Porto_Velho
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 BEGIN:STANDARD
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 TZOFFSETFROM:-0400
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 TZOFFSETTO:-0400
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+TZNAME:AMT
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 END:STANDARD
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 END:VTIMEZONE
 END:VCALENDAR