Convert Casey Time to Japan Time
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CAST · UTC+8 → JST · UTC+9
CAST is 1 hour behind JST
Casey · AWST
Wednesday, 7 October 2026
Tokyo · UTC+9
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: 09:00–17:00 in Casey is 10:00–18:00 in Tokyo.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
19:26 Wed 7 Oct Casey = 20:26 Wed 7 Oct Tokyo
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. | Tokyo (JST) | |
|---|---|---|
| 00:00 | 01:00 | |
| 01:00 | 02:00 | |
| 02:00 | 03:00 | |
| 03:00 | 04:00 | |
| 04:00 | 05:00 | |
| 05:00 | 06:00 | |
| 06:00 | 07:00 | |
| 07:00 | 08:00 | |
| 08:00 | 09:00 | |
| 09:00 | 10:00 | Both at work |
| 10:00 | 11:00 | Both at work |
| 11:00 | 12:00 | Both at work |
| 12:00 | 13:00 | Both at work |
| 13:00 | 14:00 | Both at work |
| 14:00 | 15:00 | Both at work |
| 15:00 | 16:00 | Both at work |
| 16:00 | 17:00 | Both at work |
| 17:00 | 18:00 | |
| 18:00 | 19:00 | |
| 19:00 | 20:00 | Now |
| 20:00 | 21:00 | |
| 21:00 | 22:00 | |
| 22:00 | 23:00 | |
| 23:00 | 00:00next day |
About this conversion
CAST here means Casey Time, represented by Casey (Antarctica/Casey), currently UTC+8. JST means Japan Time, represented by Tokyo (Asia/Tokyo), currently UTC+9.
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 10:00 JST
- 12:00 CAST is 13:00 JST
- 15:00 CAST is 16:00 JST
- 18:00 CAST is 19:00 JST
Related conversions
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- Casey Time to Korean TimeCAST → KST
- Casey Time to Mountain TimeCAST → MST
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- Central European Time to Japan TimeCET → JST
- Cape Verde Time to Japan TimeCVT → JST
- Hovd Time to Japan TimeHOVT → JST
- Casey Time to India TimeCAST → IST
- India Time to Japan TimeIST → JST
- Time in Caseynow, DST, offset
- Time in Tokyonow, DST, offset