BST to GST Converter
GST is 4 hours ahead of GMT. 9:00 AM GMT = 1:00 PM GST.
GST is 4 hours ahead of GMT at the moment. To convert BST to GST, add 4 hours to the BST time: 9:00 AM GMT = 1:00 PM GST.
BST (British Time) is used in United Kingdom from late March to late October. GST (Gulf Time) is used in United Arab Emirates and Oman.
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.
BST to GST time conversion table
BST to GST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | GST | Day |
|---|---|---|
| 12:00 AM GMT | 4:00 AM GST | night |
| 1:00 AM GMT | 5:00 AM GST | night |
| 2:00 AM GMT | 6:00 AM GST | — |
| 3:00 AM GMT | 7:00 AM GST | — |
| 4:00 AM GMT | 8:00 AM GST | — |
| 5:00 AM GMT | 9:00 AM GST | — |
| 6:00 AM GMT | 10:00 AM GST | — |
| 7:00 AM GMT | 11:00 AM GST | — |
| 8:00 AM GMT | 12:00 PM GST | — |
| 9:00 AM GMT | 1:00 PM GST | work hours |
| 10:00 AM GMT | 2:00 PM GST | work hours |
| 11:00 AM GMT | 3:00 PM GST | work hours |
| 12:00 PM GMT | 4:00 PM GST | work hours |
| 1:00 PM GMT | 5:00 PM GST | — |
| 2:00 PM GMT | 6:00 PM GST | — |
| 3:00 PM GMT | 7:00 PM GST | — |
| 4:00 PM GMT | 8:00 PM GST | — |
| 5:00 PM GMT | 9:00 PM GST | — |
| 6:00 PM GMT | 10:00 PM GST | night |
| 7:00 PM GMT | 11:00 PM GST | night |
| 8:00 PM GMT | 12:00 AM GST | next day |
| 9:00 PM GMT | 1:00 AM GST | next day |
| 10:00 PM GMT | 2:00 AM GST | next day |
| 11:00 PM GMT | 3:00 AM GST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BST to GST
Add 4 hours to the BST time to get GST.
Example: 9:00 AM GMT = 1:00 PM GST.
Across midnight: 10:00 PM GMT = 2:00 AM GST (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and GST
The time difference between BST and GST 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: GST is 4 hours ahead of BST.
- 29 Mar 2026 – 24 Oct 2026: GST is 3 hours ahead of BST.
- 25 Oct 2026 – 31 Dec 2026: GST is 4 hours ahead of BST.
BST and GST 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).
- GST does not observe daylight saving time; it stays on UTC+4 all year.
Best time for a meeting between BST and GST
BST and GST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM GMT lands between 1:00 PM and 5:00 PM GST, inside working hours for both.
BST to GST FAQ
What is the time difference between BST and GST?
Right now GST is 4 hours ahead of GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in GST?
9:00 AM GMT is 1:00 PM GST.
What is 12 PM (noon) BST in GST?
12:00 PM GMT is 4:00 PM GST.
Is GST ahead of or behind BST?
GST is 4 hours ahead of GMT, so it is later in GST 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 GST change for daylight saving time?
No. GST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between BST and GST?
BST and GST share 4 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:00 PM GMT lands between 1:00 PM and 5:00 PM GST, inside working hours for both.
Related conversions
Convert GST to BST
Convert BST to other time zones
Convert other time zones to GST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.