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ACST to GMT Time Converter

GMT is 10 hours 30 minutes behind ACST right now. 9:00 AM in ACST is 10:30 PM in GMT (the day before).

Time now: ACST and GMT

🌐 Australian Central Time10:28 AMTuesday, November 10 · UTC+10:30
🌐 Greenwich Mean Time (GMT)11:58 PMMonday, November 9 · UTC+00:00

GMT is 10 hours 30 minutes behind ACST right now. The gap is not fixed: it is 10 hours 30 minutes at some times of the year and 9 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

ACST to GMT conversion table

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

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

Best time to meet between ACST and GMT

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

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

  • 7:00 AM – 9:00 AM ACST = 8:30 PM – 10:30 PM GMT
  • 6:00 PM – 10:00 PM ACST = 7:30 AM – 11:30 AM GMT

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 ACST and GMT change?

Yes. Right now GMT is 10 hours 30 minutes behind ACST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 4 April 2027: ACST moves its clocks back. GMT is 9 hours 30 minutes behind ACST from then (it was 10 hours 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. GMT is 10 hours 30 minutes behind ACST from then (it was 9 hours 30 minutes before).

Office hours in each other's time

  • 9 AM to 6 PM in ACST is 10:30 PM (previous day) to 7:30 AM in GMT.
  • 9 AM to 6 PM in GMT is 7:30 PM to 4:30 AM (next day) in ACST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between ACST and GMT?

GMT is 10 hours 30 minutes behind ACST right now. The gap is not fixed: it is 10 hours 30 minutes at some times of the year and 9 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert ACST to GMT?

Subtract 10 hours 30 minutes from the ACST time to get the GMT time (at today's difference). 9:00 AM in ACST is 10:30 PM in GMT (the day before). Or use the converter above and pick any date and time.

What is the current time in GMT?

It is 11:58 PM in GMT on Monday, November 9 (the converter above shows it live). At the same moment it is 10:28 AM in ACST.

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

Yes. Right now GMT is 10 hours 30 minutes behind ACST. Over the next 12 months the gap changes 2 times: Sunday, 4 April 2027: ACST moves its clocks back. GMT is 9 hours 30 minutes behind ACST from then (it was 10 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. GMT is 10 hours 30 minutes behind ACST from then (it was 9 hours 30 minutes before).

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

The two places have no shared working hours (9 AM – 6 PM). The nearest option is 7:00 AM – 9:00 AM ACST = 8:30 PM – 10:30 PM GMT.

What does GMT mean?

GMT is fixed at UTC+00:00 all year. The United Kingdom itself switches to BST in summer.

More conversions

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