EST to ACST Time Converter

ACST is 15 hours 30 minutes ahead of EST right now. 9:00 AM in EST is 12:30 AM in ACST (next day).

Time now: EST and ACST

🌐 Eastern Time (US & Canada)6:12 PMMonday, November 9 · UTC-05:00
🌐 Australian Central Time9:42 AMTuesday, November 10 · UTC+10:30

ACST is 15 hours 30 minutes ahead of EST right now. The gap is not fixed: it is 13 hours 30 minutes at some times of the year and 15 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

EST to ACST conversion table

Every hour of the day, using today's time difference.

ESTACST
12:00 AM3:30 PM
1:00 AM4:30 PM
2:00 AM5:30 PM
3:00 AM6:30 PM
4:00 AM7:30 PM
5:00 AM8:30 PM
6:00 AM9:30 PM
7:00 AM10:30 PM
8:00 AM11:30 PM
9:00 AM12:30 AMnext day
10:00 AM1:30 AMnext day
11:00 AM2:30 AMnext day
12:00 PM3:30 AMnext day
1:00 PM4:30 AMnext day
2:00 PM5:30 AMnext day
3:00 PM6:30 AMnext day
4:00 PM7:30 AMnext day
5:00 PM8:30 AMnext day
6:00 PM9:30 AMnext day
7:00 PM10:30 AMnext day
8:00 PM11:30 AMnext day
9:00 PM12:30 PMnext day
10:00 PM1:30 PMnext day
11:00 PM2:30 PMnext day

Best time to meet between EST and ACST

There is no overlap between 9 AM and 6 PM in both places.

If both sides can be flexible (7 AM – 10 PM):

  • 4:00 PM – 10:00 PM EST = 7:30 AM – 1:30 PM ACST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between EST and ACST change?

Yes. Right now ACST is 15 hours 30 minutes ahead of EST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 14 March 2027: EST moves its clocks forward. ACST is 14 hours 30 minutes ahead of EST from then (it was 15 hours 30 minutes before).
  • Sunday, 4 April 2027: ACST moves its clocks back. ACST is 13 hours 30 minutes ahead of EST from then (it was 14 hours 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 14 hours 30 minutes ahead of EST from then (it was 13 hours 30 minutes before).
  • Sunday, 7 November 2027: EST moves its clocks back. ACST is 15 hours 30 minutes ahead of EST from then (it was 14 hours 30 minutes before).

Office hours in each other's time

  • 9 AM to 6 PM in EST is 12:30 AM (next day) to 9:30 AM (next day) in ACST.
  • 9 AM to 6 PM in ACST is 5:30 PM (previous day) to 2:30 AM in EST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between EST and ACST?

ACST is 15 hours 30 minutes ahead of EST right now. The gap is not fixed: it is 13 hours 30 minutes at some times of the year and 15 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert EST to ACST?

Add 15 hours 30 minutes to the EST time to get the ACST time (at today's difference). 9:00 AM in EST is 12:30 AM in ACST (next day). Or use the converter above and pick any date and time.

What is the current time in ACST?

It is 9:42 AM in ACST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 6:12 PM in EST.

Does the time difference between EST and ACST change during the year?

Yes. Right now ACST is 15 hours 30 minutes ahead of EST. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: EST moves its clocks forward. ACST is 14 hours 30 minutes ahead of EST from then (it was 15 hours 30 minutes before). Sunday, 4 April 2027: ACST moves its clocks back. ACST is 13 hours 30 minutes ahead of EST from then (it was 14 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 14 hours 30 minutes ahead of EST from then (it was 13 hours 30 minutes before). Sunday, 7 November 2027: EST moves its clocks back. ACST is 15 hours 30 minutes ahead of EST from then (it was 14 hours 30 minutes before).

What is the best time for a meeting between EST and ACST?

The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM EST = 7:30 AM – 1:30 PM ACST.

What does EST mean?

Eastern Time is EST (UTC-05:00) in winter and EDT (UTC-04:00) in summer.