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GST to ACST Time Converter

ACST is 6 hours 30 minutes ahead of GST right now. 9:00 AM in GST is 3:30 PM in ACST.

Time now: GST and ACST

🌐 Gulf Standard Time (UAE)4:01 AMTuesday, November 10 · UTC+04:00
🌐 Australian Central Time10:31 AMTuesday, November 10 · UTC+10:30

ACST is 6 hours 30 minutes ahead of GST right now. The gap is not fixed: it is 5 hours 30 minutes at some times of the year and 6 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

GST to ACST conversion table

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

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

Best time to meet between GST and ACST

Working hours overlap (9 AM – 6 PM in both places):

  • 9:00 AM – 12:00 PM GST = 3:30 PM – 6:30 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 GST and ACST change?

Yes. Right now ACST is 6 hours 30 minutes ahead of GST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 4 April 2027: ACST moves its clocks back. ACST is 5 hours 30 minutes ahead of GST from then (it was 6 hours 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 6 hours 30 minutes ahead of GST from then (it was 5 hours 30 minutes before).

Office hours in each other's time

  • 9 AM to 6 PM in GST is 3:30 PM to 12:30 AM (next day) in ACST.
  • 9 AM to 6 PM in ACST is 2:30 AM to 11:30 AM in GST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between GST and ACST?

ACST is 6 hours 30 minutes ahead of GST right now. The gap is not fixed: it is 5 hours 30 minutes at some times of the year and 6 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert GST to ACST?

Add 6 hours 30 minutes to the GST time to get the ACST time (at today's difference). 9:00 AM in GST is 3:30 PM in ACST. Or use the converter above and pick any date and time.

What is the current time in ACST?

It is 10:31 AM in ACST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 4:01 AM in GST.

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

Yes. Right now ACST is 6 hours 30 minutes ahead of GST. Over the next 12 months the gap changes 2 times: Sunday, 4 April 2027: ACST moves its clocks back. ACST is 5 hours 30 minutes ahead of GST from then (it was 6 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 6 hours 30 minutes ahead of GST from then (it was 5 hours 30 minutes before).

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

Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 12:00 PM GST = 3:30 PM – 6:30 PM ACST. Check the overlap section on this page for every option.

What does GST mean?

GST here means Gulf Standard Time (UTC+04:00), used in the United Arab Emirates and Oman.

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