HELP: zoneinfo
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2019 timezone information for: Asia/Tehran

timezone: Asia/Tehran, abbreviation: +0330 (daylight/summer: +0430)

country: Iran (IR) flag of Iran
default latitude: 35.66666 degrees (north), default longitude: 51.43333 degrees (east)

standard time offset from UTC: +3:30 (after UTC), DST time offset from UTC: +4:30 (after UTC)
DST adds 1 hour from the fourth Friday in March at 12:00 AM to the fourth Sunday in September at 12:00 AM and is currently active.

transitions in 2019:
std: (+0330) +3:30 (after UTC) @ the beginning of 2019
dst: (+0430) +4:30 (after UTC) @ Fri, Mar 22, 2019 0:00
std: (+0330) +3:30 (after UTC) @ Sun, Sep 22, 2019 0:00

adjustments during 2019:
+1:00 on the fourth Friday in March at 12:00 AM
-1:00 on the fourth Sunday in September at 12:00 AM

A + after the timezone name means that it is the same timezone the server assumes you're using.

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