AST to PST
Converting a fixed time. America/Halifax → America/Los_Angeles
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Convert a specific time minutes work, not just whole hours
Hour by hour
| AST | PST | 24h | Good to call? |
|---|---|---|---|
| 12am | 8pm Wed | 00:00 → 20:00 | asleep in AST |
| 1am | 9pm Wed | 01:00 → 21:00 | asleep in AST |
| 2am | 10pm Wed | 02:00 → 22:00 | asleep in PST |
| 3am | 11pm Wed | 03:00 → 23:00 | asleep in PST |
| 4am | 12am | 04:00 → 00:00 | asleep in PST |
| 5am | 1am | 05:00 → 01:00 | asleep in PST |
| 6am | 2am | 06:00 → 02:00 | asleep in PST |
| 7am | 3am | 07:00 → 03:00 | asleep in PST |
| 8am | 4am | 08:00 → 04:00 | asleep in PST |
| 9am | 5am | 09:00 → 05:00 | asleep in PST |
| 10am | 6am | 10:00 → 06:00 | asleep in PST |
| 11am | 7am | 11:00 → 07:00 | awake, not at work |
| 12pm | 8am | 12:00 → 08:00 | awake, not at work |
| 1pm | 9am | 13:00 → 09:00 | both at work |
| 2pm | 10am | 14:00 → 10:00 | both at work |
| 3pm | 11am | 15:00 → 11:00 | both at work |
| 4pm now | 12pm | 16:00 → 12:00 | both at work |
| 5pm | 1pm | 17:00 → 13:00 | awake, not at work |
| 6pm | 2pm | 18:00 → 14:00 | awake, not at work |
| 7pm | 3pm | 19:00 → 15:00 | awake, not at work |
| 8pm | 4pm | 20:00 → 16:00 | awake, not at work |
| 9pm | 5pm | 21:00 → 17:00 | awake, not at work |
| 10pm | 6pm | 22:00 → 18:00 | asleep in AST |
| 11pm | 7pm | 23:00 → 19:00 | asleep in AST |
Call times
Both places are at work between 1pm and 17:00 in Halifax — 9am to 12pm at the other end.
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
Questions people ask
What time is it in PST when it is 9:00 am in AST?
5:00 am in PST the same day.
How many hours ahead is PST of AST?
PST is 4 hours behind AST. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between AST and PST?
Both places are at work between 1pm and 17:00 in Halifax — 9am to 12pm at the other end.
When does the difference between AST and PST change?
AST: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change). PST: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).