Asia/Dacca

Time zone identifier: Asia/Dacca

Current civil offset: +06:00 (+06)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1889-12-31

Local Mean Time (LMT): +06:01:40 based on geographic meridian

Total recorded transitions: 7 transitions across 6 distinct offsets

Historical Offset Step Chart (1880 to Present)

Text summary: Asia/Dacca shifted between 6 distinct offsets from 1889-12-31 through the modern era.

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1889-12-31T17:58:20Z`	`1889-12-31 23:51:40`	+06:01:40 → +05:53:20	`HMT`	No	overlap
`1941-09-30T18:06:40Z`	`1941-10-01 00:36:40`	+05:53:20 → +06:30	`+0630`	No	gap
`1942-05-14T17:30:00Z`	`1942-05-14 23:00:00`	+06:30 → +05:30	`+0530`	No	overlap
`1942-08-31T18:30:00Z`	`1942-09-01 01:00:00`	+05:30 → +06:30	`+0630`	No	gap
`1951-09-29T17:30:00Z`	`1951-09-29 23:30:00`	+06:30 → +06:00	`+06`	No	overlap
`2009-06-19T17:00:00Z`	`2009-06-20 00:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2009-12-31T17:00:00Z`	`2009-12-31 23:00:00`	+07:00 → +06:00	`+06`	No	overlap

tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.