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ACST to BST Time Converter

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

Time now: ACST and BST

🌐 Australian Central Time10:28 AMTuesday, November 10 · UTC+10:30
🌐 British Summer Time (UK)11:58 PMMonday, November 9 · UTC+00:00

BST 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 8 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

ACST to BST conversion table

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

ACSTBST
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 BST

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 BST
  • 6:00 PM – 10:00 PM ACST = 7:30 AM – 11:30 AM BST

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 BST change?

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

  • Sunday, 28 March 2027: BST moves its clocks forward. BST is 9 hours 30 minutes behind ACST from then (it was 10 hours 30 minutes before).
  • Sunday, 4 April 2027: ACST moves its clocks back. BST is 8 hours 30 minutes behind ACST from then (it was 9 hours 30 minutes before).
  • Sunday, 3 October 2027: ACST moves its clocks forward. BST is 9 hours 30 minutes behind ACST from then (it was 8 hours 30 minutes before).
  • Sunday, 31 October 2027: BST moves its clocks back. BST 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 BST.
  • 9 AM to 6 PM in BST 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 BST?

BST 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 8 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.

How do I convert ACST to BST?

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

What is the current time in BST?

It is 11:58 PM in BST 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 BST change during the year?

Yes. Right now BST is 10 hours 30 minutes behind ACST. Over the next 12 months the gap changes 4 times: Sunday, 28 March 2027: BST moves its clocks forward. BST is 9 hours 30 minutes behind ACST from then (it was 10 hours 30 minutes before). Sunday, 4 April 2027: ACST moves its clocks back. BST is 8 hours 30 minutes behind ACST from then (it was 9 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. BST is 9 hours 30 minutes behind ACST from then (it was 8 hours 30 minutes before). Sunday, 31 October 2027: BST moves its clocks back. BST 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 BST?

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 BST.

What does BST mean?

The UK uses GMT in winter and BST in summer.

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