Convert Atlantic Time to French Guiana Time
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AST · UTC−4 → GFT · UTC−3
AST is 1 hour behind GFT
Today Halifax is on ADT (UTC−3) and Cayenne on UTC-3 (UTC−3), so right now Halifax is the same time as Cayenne.
Halifax · ADT
Wednesday, 7 October 2026
Cayenne · UTC-3
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: 09:00–18:00 in Halifax is 09:00–18:00 in Cayenne.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
08:24 Wed 7 Oct Halifax = 08:24 Wed 7 Oct Cayenne
Hour-by-hour conversion
| Halifax (AST)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. | Cayenne (GFT) | |
|---|---|---|
| 00:00 | 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 | Now |
| 09:00 | 09:00 | Both at work |
| 10:00 | 10:00 | Both at work |
| 11:00 | 11:00 | Both at work |
| 12:00 | 12:00 | Both at work |
| 13:00 | 13:00 | Both at work |
| 14:00 | 14:00 | Both at work |
| 15:00 | 15:00 | Both at work |
| 16:00 | 16:00 | Both at work |
| 17:00 | 17:00 | Both at work |
| 18:00 | 18:00 | |
| 19:00 | 19:00 | |
| 20:00 | 20:00 | |
| 21:00 | 21:00 | |
| 22:00 | 22:00 | |
| 23:00 | 23:00 |
About this conversion
AST here means Atlantic Time, represented by Halifax (America/Halifax), currently UTC−3. GFT means French Guiana Time, represented by Cayenne (America/Cayenne), currently UTC−3.
AST is used by 32 zones, including Canada. If you meant a different one, see every meaning of AST.
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 Halifax; day boundaries are marked where the date differs.
Quick answers
- 09:00 AST is 09:00 GFT
- 12:00 AST is 12:00 GFT
- 15:00 AST is 15:00 GFT
- 18:00 AST is 18:00 GFT
Related conversions
- Atlantic Time to Gilbert Islands TimeAST → GILT
- Atlantic Time to Mexican Pacific TimeAST → GMT-7
- Atlantic Time to Indian Ocean TimeAST → IOT
- Atlantic Time to New Zealand TimeAST → NZST
- Australian Western Time to French Guiana TimeAWST → GFT
- Azerbaijan Time to French Guiana TimeAZT → GFT
- Cocos Islands Time to French Guiana TimeCCT → GFT
- French Guiana Time to Gilbert Islands TimeGFT → GILT
- Atlantic Time to India TimeAST → IST
- French Guiana Time to India TimeGFT → IST
- Time in Halifaxnow, DST, offset
- Time in Cayennenow, DST, offset