BST to AEST Converter
AEDT is 11 hours ahead of GMT. 9:00 AM GMT = 8:00 PM AEDT.
AEDT is 11 hours ahead of GMT at the moment. To convert BST to AEST, add 11 hours to the BST time: 9:00 AM GMT = 8:00 PM AEDT.
BST (British Time) is used in United Kingdom from late March to late October. AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year.
BST here means British Summer Time, not Bangladesh Standard Time. Queensland stays on AEST all year. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
BST to AEST time conversion table
BST to AEST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | AEST | Day |
|---|---|---|
| 12:00 AM GMT | 11:00 AM AEDT | — |
| 1:00 AM GMT | 12:00 PM AEDT | — |
| 2:00 AM GMT | 1:00 PM AEDT | — |
| 3:00 AM GMT | 2:00 PM AEDT | — |
| 4:00 AM GMT | 3:00 PM AEDT | — |
| 5:00 AM GMT | 4:00 PM AEDT | — |
| 6:00 AM GMT | 5:00 PM AEDT | — |
| 7:00 AM GMT | 6:00 PM AEDT | — |
| 8:00 AM GMT | 7:00 PM AEDT | — |
| 9:00 AM GMT | 8:00 PM AEDT | — |
| 10:00 AM GMT | 9:00 PM AEDT | — |
| 11:00 AM GMT | 10:00 PM AEDT | night |
| 12:00 PM GMT | 11:00 PM AEDT | night |
| 1:00 PM GMT | 12:00 AM AEDT | next day |
| 2:00 PM GMT | 1:00 AM AEDT | next day |
| 3:00 PM GMT | 2:00 AM AEDT | next day |
| 4:00 PM GMT | 3:00 AM AEDT | next day |
| 5:00 PM GMT | 4:00 AM AEDT | next day |
| 6:00 PM GMT | 5:00 AM AEDT | next day |
| 7:00 PM GMT | 6:00 AM AEDT | next day |
| 8:00 PM GMT | 7:00 AM AEDT | next day |
| 9:00 PM GMT | 8:00 AM AEDT | next day |
| 10:00 PM GMT | 9:00 AM AEDT | next day |
| 11:00 PM GMT | 10:00 AM AEDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BST to AEST
Add 11 hours to the BST time to get AEST.
Example: 9:00 AM GMT = 8:00 PM AEDT.
Across midnight: 10:00 PM GMT = 9:00 AM AEDT (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and AEST
The time difference between BST and AEST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: AEST is 11 hours ahead of BST.
- 29 Mar 2026 – 3 Apr 2026: AEST is 10 hours ahead of BST.
- 4 Apr 2026 – 2 Oct 2026: AEST is 9 hours ahead of BST.
- 3 Oct 2026 – 24 Oct 2026: AEST is 10 hours ahead of BST.
- 25 Oct 2026 – 31 Dec 2026: AEST is 11 hours ahead of BST.
BST and AEST during daylight saving time
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
Best time for a meeting between BST and AEST
BST and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 6:00 PM AEDT.
BST to AEST FAQ
What is the time difference between BST and AEST?
Right now AEDT is 11 hours ahead of GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in AEST?
9:00 AM GMT is 8:00 PM AEDT.
What is 12 PM (noon) BST in AEST?
12:00 PM GMT is 11:00 PM AEDT.
Is AEST ahead of or behind BST?
AEDT is 11 hours ahead of GMT, so it is later in AEST than in BST.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
What is the best time for a meeting between BST and AEST?
BST and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 6:00 PM AEDT.
Related conversions
Convert AEST to BST
Convert BST to other time zones
Convert other time zones to AEST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.