Boston Time to BST Converter
GMT is 5 hours ahead of EST. 9:00 AM EST = 2:00 PM GMT.
GMT is 5 hours ahead of EST at the moment. To convert Boston Time to BST, add 5 hours to the Boston Time time: 9:00 AM EST = 2:00 PM GMT.
Boston Time (Boston time) is used in Boston, USA. 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.
Boston Time to BST time conversion table
Boston Time to BST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Boston Time | BST |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| Boston Time | BST |
|---|---|
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| Boston Time | BST |
|---|---|
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM+1 |
| 8:00 PM | 1:00 AM+1 |
| 9:00 PM | 2:00 AM+1 |
| 10:00 PM | 3:00 AM+1 |
| 11:00 PM | 4:00 AM+1 |
Conversion table from Boston Time to BST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in BST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Boston Time to BST
Add 5 hours to the Boston Time time to get BST.
Example: 9:00 AM EST = 2:00 PM GMT.
Across midnight: 10:00 PM EST = 3:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between Boston Time and BST
The time difference between Boston 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:
- 31 Dec 2025 – 7 Mar 2026: BST is 5 hours ahead of Boston Time.
- 8 Mar 2026 – 27 Mar 2026: BST is 4 hours ahead of Boston Time.
- 28 Mar 2026 – 23 Oct 2026: BST is 5 hours ahead of Boston Time.
- 24 Oct 2026 – 31 Oct 2026: BST is 4 hours ahead of Boston Time.
- 1 Nov 2026 – 30 Dec 2026: BST is 5 hours ahead of Boston Time.
Boston Time and BST during daylight saving time
- Boston Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
- 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 Boston Time and BST
Boston Time and BST share 3 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:00 PM EST lands between 2:00 PM and 5:00 PM GMT, inside working hours for both.
Boston Time to BST FAQ
What is the time difference between Boston Time and BST?
Right now GMT is 5 hours ahead of EST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Boston Time in BST?
9:00 AM EST is 2:00 PM GMT.
What is 12 PM (noon) Boston Time in BST?
12:00 PM EST is 5:00 PM GMT.
Is BST ahead of or behind Boston Time?
GMT is 5 hours ahead of EST, so it is later in BST than in Boston Time.
Does Boston Time change for daylight saving time?
Yes. Boston Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
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 Boston Time and BST?
Boston Time and BST share 3 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:00 PM EST lands between 2:00 PM and 5:00 PM GMT, inside working hours for both.
Related conversions
Convert BST to Boston Time
Convert Boston Time to other time zones
Convert other time zones to BST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.