ACST to EST
Converting a fixed time. Australia/Adelaide → America/New_York
Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 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
| ACST | EST | 24h | Good to call? |
|---|---|---|---|
| 12am | 10am Wed | 00:00 → 10:30 | asleep in ACST |
| 1am | 11am Wed | 01:00 → 11:30 | asleep in ACST |
| 2am | 12pm Wed | 02:00 → 12:30 | asleep in ACST |
| 3am | 1pm Wed | 03:00 → 13:30 | asleep in ACST |
| 4am | 2pm Wed | 04:00 → 14:30 | asleep in ACST |
| 5am | 3pm Wed | 05:00 → 15:30 | asleep in ACST |
| 6am | 4pm Wed | 06:00 → 16:30 | asleep in ACST |
| 7am | 5pm Wed | 07:00 → 17:30 | awake, not at work |
| 8am | 6pm Wed | 08:00 → 18:30 | awake, not at work |
| 9am | 7pm Wed | 09:00 → 19:30 | awake, not at work |
| 10am | 8pm Wed | 10:00 → 20:30 | awake, not at work |
| 11am | 9pm Wed | 11:00 → 21:30 | awake, not at work |
| 12pm | 10pm Wed | 12:00 → 22:30 | asleep in EST |
| 1pm | 11pm Wed | 13:00 → 23:30 | asleep in EST |
| 2pm now | 12am | 14:00 → 00:30 | asleep in EST |
| 3pm | 1am | 15:00 → 01:30 | asleep in EST |
| 4pm | 2am | 16:00 → 02:30 | asleep in EST |
| 5pm | 3am | 17:00 → 03:30 | asleep in EST |
| 6pm | 4am | 18:00 → 04:30 | asleep in EST |
| 7pm | 5am | 19:00 → 05:30 | asleep in EST |
| 8pm | 6am | 20:00 → 06:30 | asleep in EST |
| 9pm | 7am | 21:00 → 07:30 | awake, not at work |
| 10pm | 8am | 22:00 → 08:30 | asleep in ACST |
| 11pm | 9am | 23:00 → 09:30 | asleep in ACST |
Call times
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
10am
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Questions people ask
What time is it in EST when it is 12:00 pm in ACST?
10:30 pm in EST the previous day.
How many hours ahead is EST of ACST?
EST is 13 hours 30 minutes behind ACST. 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 ACST and EST?
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
When does the difference between ACST and EST change?
ACST: Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 am after the change). EST: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).