GMT to Adelaide Time Converter
ACDT is 10 hours 30 minutes ahead of GMT. 9:00 AM GMT = 7:30 PM ACDT.
ACDT is 10 hours 30 minutes ahead of GMT at the moment. To convert GMT to Adelaide Time, add 10 hours 30 minutes to the GMT time: 9:00 AM GMT = 7:30 PM ACDT.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. Adelaide Time (Adelaide time) is used in Adelaide, Australia.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
GMT to Adelaide Time time conversion table
GMT to Adelaide Time on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | Adelaide Time | Day |
|---|---|---|
| 12:00 AM GMT | 10:30 AM ACDT | — |
| 1:00 AM GMT | 11:30 AM ACDT | — |
| 2:00 AM GMT | 12:30 PM ACDT | — |
| 3:00 AM GMT | 1:30 PM ACDT | — |
| 4:00 AM GMT | 2:30 PM ACDT | — |
| 5:00 AM GMT | 3:30 PM ACDT | — |
| 6:00 AM GMT | 4:30 PM ACDT | — |
| 7:00 AM GMT | 5:30 PM ACDT | — |
| 8:00 AM GMT | 6:30 PM ACDT | — |
| 9:00 AM GMT | 7:30 PM ACDT | — |
| 10:00 AM GMT | 8:30 PM ACDT | — |
| 11:00 AM GMT | 9:30 PM ACDT | — |
| 12:00 PM GMT | 10:30 PM ACDT | night |
| 1:00 PM GMT | 11:30 PM ACDT | night |
| 2:00 PM GMT | 12:30 AM ACDT | next day |
| 3:00 PM GMT | 1:30 AM ACDT | next day |
| 4:00 PM GMT | 2:30 AM ACDT | next day |
| 5:00 PM GMT | 3:30 AM ACDT | next day |
| 6:00 PM GMT | 4:30 AM ACDT | next day |
| 7:00 PM GMT | 5:30 AM ACDT | next day |
| 8:00 PM GMT | 6:30 AM ACDT | next day |
| 9:00 PM GMT | 7:30 AM ACDT | next day |
| 10:00 PM GMT | 8:30 AM ACDT | next day |
| 11:00 PM GMT | 9:30 AM ACDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to Adelaide Time
Add 10 hours 30 minutes to the GMT time to get Adelaide Time.
Example: 9:00 AM GMT = 7:30 PM ACDT.
Across midnight: 10:00 PM GMT = 8:30 AM ACDT (next day). The date changes, so always check the day as well as the hour.
Time difference between GMT and Adelaide Time
The time difference between GMT and Adelaide Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 3 Apr 2026: Adelaide Time is 10 hours 30 minutes ahead of GMT.
- 4 Apr 2026 – 2 Oct 2026: Adelaide Time is 9 hours 30 minutes ahead of GMT.
- 3 Oct 2026 – 31 Dec 2026: Adelaide Time is 10 hours 30 minutes ahead of GMT.
GMT and Adelaide Time during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- Adelaide Time next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from ACDT (UTC+10:30) to ACST (UTC+9:30).
Best time for a meeting between GMT and Adelaide Time
GMT and Adelaide Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 5:30 PM ACDT.
GMT to Adelaide Time FAQ
What is the time difference between GMT and Adelaide Time?
Right now ACDT is 10 hours 30 minutes ahead of GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM GMT in Adelaide Time?
9:00 AM GMT is 7:30 PM ACDT.
What is 12 PM (noon) GMT in Adelaide Time?
12:00 PM GMT is 10:30 PM ACDT.
Is Adelaide Time ahead of or behind GMT?
ACDT is 10 hours 30 minutes ahead of GMT, so it is later in Adelaide Time than in GMT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
Does Adelaide Time change for daylight saving time?
Yes. Adelaide Time next changes on 4 Apr 2027, when clocks go back one hour from ACDT to ACST.
What is the best time for a meeting between GMT and Adelaide Time?
GMT and Adelaide Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 5:30 PM ACDT.
Related conversions
Convert Adelaide Time to GMT
Convert GMT to other time zones
Convert other time zones to Adelaide Time
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.