03:00 ACST to UTC
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Daylight saving right now
Coordinated Universal Time
UTC is currently on UTC (UTC+00:00).
no clock change scheduled — this zone is fixed at UTC+00:00
UTC is the reference clock every other offset is quoted against. It has no daylight saving and never shifts.
Australian Central Standard Time
Australia/Adelaide is on ACST (UTC+09:30).
next change: Sun, 4 Oct 2026 03:00 local → ACDT (51 days)
ACST is UTC+9:30, one of the handful of half-hour offsets still in daily use. Adelaide moves to ACDT (UTC+10:30) in the southern summer; Darwin stays on ACST.
Best time to call green = 09:00–18:00 on both sides
No overlap inside a 09:00–18:00 day on both sides. Someone has to take an early or late slot — the table below shows exactly which hours are least bad.
ACST to UTC, hour by hour 13 August 2026 · every row is a permalink
| ACST | UTC | 12-hour | Day | Permalink |
|---|---|---|---|---|
| 00:00 | 14:30 UTC | 2:30 PM | previous day | 00:00 → |
| 01:00 | 15:30 UTC | 3:30 PM | previous day | 01:00 → |
| 02:00 | 16:30 UTC | 4:30 PM | previous day | 02:00 → |
| 03:00 | 17:30 UTC | 5:30 PM | previous day | 03:00 → |
| 04:00 | 18:30 UTC | 6:30 PM | previous day | 04:00 → |
| 05:00 | 19:30 UTC | 7:30 PM | previous day | 05:00 → |
| 06:00 | 20:30 UTC | 8:30 PM | previous day | 06:00 → |
| 07:00 | 21:30 UTC | 9:30 PM | previous day | 07:00 → |
| 08:00 | 22:30 UTC | 10:30 PM | previous day | 08:00 → |
| 09:00 | 23:30 UTC | 11:30 PM | previous day | 09:00 → |
| 10:00 | 00:30 UTC | 12:30 AM | same day | 10:00 → |
| 11:00 | 01:30 UTC | 1:30 AM | same day | 11:00 → |
| 12:00 | 02:30 UTC | 2:30 AM | same day | 12:00 → |
| 13:00 | 03:30 UTC | 3:30 AM | same day | 13:00 → |
| 14:00 | 04:30 UTC | 4:30 AM | same day | 14:00 → |
| 15:00 | 05:30 UTC | 5:30 AM | same day | 15:00 → |
| 16:00 | 06:30 UTC | 6:30 AM | same day | 16:00 → |
| 17:00 | 07:30 UTC | 7:30 AM | same day | 17:00 → |
| 18:00 | 08:30 UTC | 8:30 AM | same day | 18:00 → |
| 19:00 | 09:30 UTC | 9:30 AM | same day | 19:00 → |
| 20:00 | 10:30 UTC | 10:30 AM | same day | 20:00 → |
| 21:00 | 11:30 UTC | 11:30 AM | same day | 21:00 → |
| 22:00 | 12:30 UTC | 12:30 PM | same day | 22:00 → |
| 23:00 | 13:30 UTC | 1:30 PM | same day | 23:00 → |