Pakistan uses one time zone, which isPakistan Standard Time (PKT). This isUTC+05:00 — that is, five hours ahead ofCoordinated Universal Time.
| Period in use | Time offset from GMT[1] | Notes |
|---|---|---|
| Prior until 1907 | UTC+04:28:12 | Local mean time based inKarachi |
| 1907–1951 | UTC+05:30 | |
| 1951–1971 | UTC+05:00 inWest Pakistan UTC+06:00 inEast Pakistan (todayBangladesh) | Karachi Time (KART) Dacca Time (DACT) |
| 1971–present | UTC+05:00 inPakistan | Pakistan Standard Time (PKT) |
Pakistan has experimented with Daylight Saving Time (DST) a number of times since 2002, shifting local time fromUTC+05:00 toUTC+06:00 during various summer periods.Daylight saving time in Pakistan has not been observed since 2009.
TheIANA time zone database contains one zone for Pakistan in the filezone.tab, named Asia/Karachi.
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