PST to AST Time Converter
Pacific Standard Time to Atlantic Standard Time — live converter with a full hour-by-hour table
Right now it is 13:31 in PST (UTC-07:00) and 17:31 in AST (UTC-03:00). AST is 4 hours ahead of PST (+4h).
Time now in PST
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Time now in AST
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PST to AST conversion table
| PST | AST | PST | AST |
|---|---|---|---|
| 00:00 | 04:00 | 12:00 | 16:00 |
| 01:00 | 05:00 | 13:00 | 17:00 |
| 02:00 | 06:00 | 14:00 | 18:00 |
| 03:00 | 07:00 | 15:00 | 19:00 |
| 04:00 | 08:00 | 16:00 | 20:00 |
| 05:00 | 09:00 | 17:00 | 21:00 |
| 06:00 | 10:00 | 18:00 | 22:00 |
| 07:00 | 11:00 | 19:00 | 23:00 |
| 08:00 | 12:00 | 20:00 | 00:00 |
| 09:00 | 13:00 | 21:00 | 01:00 |
| 10:00 | 14:00 | 22:00 | 02:00 |
| 11:00 | 15:00 | 23:00 | 03:00 |
Best time to call or meet
Standard business hours, expressed in both zones:
- 9:00–17:00 in PST is 13:00 to 21:00 in AST
- 9:00–17:00 in AST is 05:00 to 13:00 in PST
FAQ
What is the time difference between PST and AST?
AST is 4 hours ahead of PST. PST is UTC-07:00 and AST is UTC-03:00.
What is the best time to call from PST to AST?
9:00 to 17:00 in PST corresponds to 13:00 to 21:00 in AST. Schedule calls inside the business-hours overlap of both zones.
More about these zones
- Pacific Standard TimeUTC-07:00
- Atlantic Standard TimeUTC-03:00
- Convert AST to PST insteadreverse direction
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