Sydney Time to BST Converter
GMT is 11 hours behind AEDT. 9:00 AM AEDT = 10:00 PM GMT (previous day).
GMT is 11 hours behind AEDT at the moment. To convert Sydney Time to BST, subtract 11 hours from the Sydney Time time: 9:00 AM AEDT = 10:00 PM GMT (previous day).
Sydney Time (Sydney time) is used in Sydney, Australia. BST (British Time) is used in United Kingdom from late March to late October.
BST here means British Summer Time, not Bangladesh Standard Time. 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.
Sydney Time to BST time conversion table
Sydney Time to BST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Sydney Time | BST | Day |
|---|---|---|
| 12:00 AM AEDT | 1:00 PM GMT | previous day |
| 1:00 AM AEDT | 2:00 PM GMT | previous day |
| 2:00 AM AEDT | 3:00 PM GMT | previous day |
| 3:00 AM AEDT | 4:00 PM GMT | previous day |
| 4:00 AM AEDT | 5:00 PM GMT | previous day |
| 5:00 AM AEDT | 6:00 PM GMT | previous day |
| 6:00 AM AEDT | 7:00 PM GMT | previous day |
| 7:00 AM AEDT | 8:00 PM GMT | previous day |
| 8:00 AM AEDT | 9:00 PM GMT | previous day |
| 9:00 AM AEDT | 10:00 PM GMT | previous day |
| 10:00 AM AEDT | 11:00 PM GMT | previous day |
| 11:00 AM AEDT | 12:00 AM GMT | night |
| 12:00 PM AEDT | 1:00 AM GMT | night |
| 1:00 PM AEDT | 2:00 AM GMT | night |
| 2:00 PM AEDT | 3:00 AM GMT | night |
| 3:00 PM AEDT | 4:00 AM GMT | night |
| 4:00 PM AEDT | 5:00 AM GMT | night |
| 5:00 PM AEDT | 6:00 AM GMT | — |
| 6:00 PM AEDT | 7:00 AM GMT | — |
| 7:00 PM AEDT | 8:00 AM GMT | — |
| 8:00 PM AEDT | 9:00 AM GMT | — |
| 9:00 PM AEDT | 10:00 AM GMT | — |
| 10:00 PM AEDT | 11:00 AM GMT | — |
| 11:00 PM AEDT | 12:00 PM GMT | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Sydney Time to BST
Subtract 11 hours from the Sydney Time time to get BST.
Example: 9:00 AM AEDT = 10:00 PM GMT (previous day).
Across midnight: 1:00 AM AEDT = 2:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.
Time difference between Sydney Time and BST
The time difference between Sydney Time and BST 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: BST is 11 hours behind of Sydney Time.
- 29 Mar 2026 – 4 Apr 2026: BST is 10 hours behind of Sydney Time.
- 5 Apr 2026 – 3 Oct 2026: BST is 9 hours behind of Sydney Time.
- 4 Oct 2026 – 24 Oct 2026: BST is 10 hours behind of Sydney Time.
- 25 Oct 2026 – 31 Dec 2026: BST is 11 hours behind of Sydney Time.
Sydney Time and BST during daylight saving time
- Sydney Time next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
- 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).
Best time for a meeting between Sydney Time and BST
Sydney Time and BST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 8:00 PM GMT.
Sydney Time to BST FAQ
What is the time difference between Sydney Time and BST?
Right now GMT is 11 hours behind AEDT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Sydney Time in BST?
9:00 AM AEDT is 10:00 PM GMT (previous day).
What is 12 PM (noon) Sydney Time in BST?
12:00 PM AEDT is 1:00 AM GMT.
Is BST ahead of or behind Sydney Time?
GMT is 11 hours behind AEDT, so it is earlier in BST than in Sydney Time.
Does Sydney Time change for daylight saving time?
Yes. Sydney Time next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
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.
What is the best time for a meeting between Sydney Time and BST?
Sydney Time and BST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 8:00 PM GMT.
Related conversions
Convert BST to Sydney Time
Convert Sydney Time to other time zones
Convert other time zones to BST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.