Convert Casey Time to Greenwich Mean Time
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CAST · UTC+8 → GMT · UTC+0
CAST is 8 hours ahead of GMT
Today Casey is on AWST (UTC+8) and London on BST (UTC+1), so right now Casey is 7 hours ahead of London.
Casey · AWST
Wednesday, 7 October 2026
London · BST
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 16:00–18:00 in Casey is 09:00–11:00 in London.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
19:26 Wed 7 Oct Casey = 12:26 Wed 7 Oct London
Hour-by-hour conversion
| Casey (CAST)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | London (GMT) | |
|---|---|---|
| 00:00 | 17:00prev. day | |
| 01:00 | 18:00prev. day | |
| 02:00 | 19:00prev. day | |
| 03:00 | 20:00prev. day | |
| 04:00 | 21:00prev. day | |
| 05:00 | 22:00prev. day | |
| 06:00 | 23:00prev. day | |
| 07:00 | 00:00 | |
| 08:00 | 01:00 | |
| 09:00 | 02:00 | |
| 10:00 | 03:00 | |
| 11:00 | 04:00 | |
| 12:00 | 05:00 | |
| 13:00 | 06:00 | |
| 14:00 | 07:00 | |
| 15:00 | 08:00 | |
| 16:00 | 09:00 | Both at work |
| 17:00 | 10:00 | Both at work |
| 18:00 | 11:00 | |
| 19:00 | 12:00 | Now |
| 20:00 | 13:00 | |
| 21:00 | 14:00 | |
| 22:00 | 15:00 | |
| 23:00 | 16:00 |
About this conversion
CAST here means Casey Time, represented by Casey (Antarctica/Casey), currently UTC+8. GMT means Greenwich Mean Time, represented by London (Europe/London), currently UTC+1.
GMT is used by 22 zones, including United Kingdom. See every meaning of GMT.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Casey; day boundaries are marked where the date differs.
Quick answers
- 09:00 CAST is 02:00 GMT
- 12:00 CAST is 05:00 GMT
- 15:00 CAST is 08:00 GMT
- 18:00 CAST is 11:00 GMT
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- Time in Caseynow, DST, offset
- Time in Londonnow, DST, offset