Australia/Queensland

Time zone identifier: Australia/Queensland

Current civil offset: +10:00 (AEST)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1894-12-31

Local Mean Time (LMT): +10:12:08 based on geographic meridian

Total recorded transitions: 17 transitions across 3 distinct offsets

Historical Offset Step Chart (1880 to Present)

Text summary: Australia/Queensland shifted between 3 distinct offsets from 1894-12-31 through the modern era.

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1894-12-31T13:47:52Z`	`1894-12-31 23:47:52`	+10:12:08 → +10:00	`AEST`	No	overlap
`1916-12-31T16:00:00Z`	`1917-01-01 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1917-03-24T16:00:00Z`	`1917-03-25 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1941-12-31T16:00:00Z`	`1942-01-01 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1942-03-28T16:00:00Z`	`1942-03-29 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1942-09-26T16:00:00Z`	`1942-09-27 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1943-03-27T16:00:00Z`	`1943-03-28 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1943-10-02T16:00:00Z`	`1943-10-03 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1944-03-25T16:00:00Z`	`1944-03-26 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1971-10-30T16:00:00Z`	`1971-10-31 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1972-02-26T16:00:00Z`	`1972-02-27 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1989-10-28T16:00:00Z`	`1989-10-29 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1990-03-03T16:00:00Z`	`1990-03-04 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1990-10-27T16:00:00Z`	`1990-10-28 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1991-03-02T16:00:00Z`	`1991-03-03 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap
`1991-10-26T16:00:00Z`	`1991-10-27 03:00:00`	+10:00 → +11:00	`AEDT`	Yes	gap
`1992-02-29T16:00:00Z`	`1992-03-01 02:00:00`	+11:00 → +10:00	`AEST`	No	overlap

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