|Period in use||Time offset from GMT||Notes|
|Prior until 1907||UTC+04:28:12||Karachi Time (KART)|
|1907–1951||UTC+05:30||India Standard Time (IST)|
|1951–1971||UTC+05:00 in West Pakistan
UTC+06:00 in East Pakistan
|Karachi Time (KART)|
Dacca Time (DACT)
|1971–present||UTC+05:00 in Pakistan||Pakistan Standard Time (PKT)|
Daylight saving timeEdit
Pakistan has experimented with Daylight Saving Time (DST) a number of times since 2002, shifting local time from UTC+05:00 to UTC+06:00 during various summer periods. Daylight saving time in Pakistan has not been observed since 2009.
IANA time zone databaseEdit
- "Time Zone & Clock Changes in Karachi, Sindh, Pakistan". www.timeanddate.com.