Convert Atlantic Time to Brasilia Time
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AST · UTC−4 → BRT · UTC−3
AST is 1 hour behind BRT
Today Halifax is on ADT (UTC−3) and São Paulo on UTC-3 (UTC−3), so right now Halifax is the same time as São Paulo.
Halifax · ADT
Wednesday, 7 October 2026
São Paulo · 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 São Paulo.
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 São Paulo
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. | São Paulo (BRT) | |
|---|---|---|
| 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. BRT means Brasilia Time, represented by São Paulo (America/Sao_Paulo), 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 BRT
- 12:00 AST is 12:00 BRT
- 15:00 AST is 15:00 BRT
- 18:00 AST is 18:00 BRT
Related conversions
- Atlantic Time to Bangladesh TimeAST → BST
- Atlantic Time to Casey TimeAST → CAST
- Atlantic Time to Chile TimeAST → CLT
- Atlantic Time to Guyana TimeAST → GYT
- Australian Western Time to Brasilia TimeAWST → BRT
- Azerbaijan Time to Brasilia TimeAZT → BRT
- Brasilia Time to Central European TimeBRT → CET
- Brasilia Time to Gilbert Islands TimeBRT → GILT
- Atlantic Time to India TimeAST → IST
- Brasilia Time to India TimeBRT → IST
- Time in Halifaxnow, DST, offset
- Time in São Paulonow, DST, offset