Time zones, countries & regions
Clock changes (Adelaide, 2026)
Clock-change dates and local times before and after each change, plus UTC offsets throughout the year (Adelaide, 2026).
Adelaide · 2026
| Clock-change instant (UTC) | Before the clock change | After the clock change | Clock adjustment |
|---|---|---|---|
| April 4, 2026 at 4:30 PM UTC | 2026-04-05 02:59 UTC+10:30 | 2026-04-05 02:00 UTC+09:30 | 1 hr · repeated |
| October 3, 2026 at 4:30 PM UTC | 2026-10-04 01:59 UTC+09:30 | 2026-10-04 03:00 UTC+10:30 | 1 hr · skipped |
Published time-zone rules can change. Clock-change times are shown with dates and offsets to distinguish repeated hours. IANA 2026e
UTC offsets throughout the year · 2026
| From (UTC) | Until (UTC, exclusive) | Local offset |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 4 Apr 2026, 16:30 UTC | UTC+10:30 |
| 4 Apr 2026, 16:30 UTC | 3 Oct 2026, 16:30 UTC | UTC+09:30 |
| 3 Oct 2026, 16:30 UTC | 1 Jan 2027, 00:00 UTC | UTC+10:30 |
THE RULES BEHIND THE CLOCK
Adelaide time zone and clock changes
IANA time zone: Australia/Adelaide.
Current UTC offsetUTC+10:30
Current abbreviationACDT
Offsets used in 2026UTC+10:30 / UTC+09:30
Next clock change: April 3, 2027
At the transition, Adelaide moves from 02:59 UTC+10:30 (2027-04-04) to 02:00 UTC+09:30 (2027-04-04). 1h is repeated on the local clock.
UTC offsets throughout 2026
| From (UTC) | Until (UTC, exclusive) | Local offset |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 4 Apr 2026, 16:30 UTC | UTC+10:30 |
| 4 Apr 2026, 16:30 UTC | 3 Oct 2026, 16:30 UTC | UTC+09:30 |
| 3 Oct 2026, 16:30 UTC | 1 Jan 2027, 00:00 UTC | UTC+10:30 |
Published time-zone rules can change. Clock-change times are shown with dates and offsets to distinguish repeated hours.