Boston to BST to PST Time Converter
No working hours on Sat, Apr 24
Pacific Time is on daylight saving time: PDT (UTC−7) until Sun, Nov 7.
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
1:00 am01:00 EDT (UTC-4), Apr 24, 2021 = 6:00 am06:00 BST (UTC+1), Apr 24, 2021 = 10:00 pm22:00 PDT (UTC-7), Apr 23, 2021
Boston is 5 hours behind BST. Boston is 3 hours ahead of PDT.
How the time difference changes
Boston to BST
For most of the year, Boston is 5 hours behind BST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, Boston is 4 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, Boston is 5 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in Boston correspond to 2:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in Boston correspond to 2:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 6:00 pm in Boston correspond to 1:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in Boston correspond to 14:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in Boston correspond to 14:00 to 23:00 in GMT or working hours of 09:00 to 18:00 in Boston correspond to 13:00 to 22:00 in GMT.
Boston to PST
For most of the year, Boston is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, Boston is 3 hours ahead of PST. Briefly around clock changes, Boston is 4 hours ahead of PST or Boston is 2 hours ahead of PDT.
For most of the year, working hours of 9:00 am to 6:00 pm in Boston correspond to 6:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Boston correspond to 6:00 am to 3:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in Boston correspond to 06:00 to 15:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in Boston correspond to 06:00 to 15:00 in PST.
Compare Boston time with BST and PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
EDT (Eastern Daylight Time) is 5 hours behind British Summer Time. EDT (Eastern Daylight Time) is 3 hours ahead of Pacific Daylight Time.
1:00 am01:00 in Boston, MA, USA is 6:00 am06:00 in BST and is 10:00 pm22:00 in PDT
Boston to BST call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in Boston which corresponds to 2pm-6pm14:00-18:00 in BST
Boston to PDT call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in Boston which corresponds to 9am-3pm09:00-15:00 in PDT
1:00 am01:00 EDT (Eastern Daylight Time) (Boston, MA, USA). Offset UTC -4:00 hours
6:00 am06:00 British Summer Time (BST). Offset UTC +1:00 hour
10:00 pm22:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:00 am01:00 Boston, MA, USA / 6:00 am06:00 BST / 10:00 pm22:00 PDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| Boston, MA, USA | BST | PDT |
|---|---|---|
| 5:00am | 9:00pm previous day | |
| 6:00am | 10:00pm previous day | |
| 7:00am | 11:00pm previous day | |
| 8:00am | 12:00am | |
| 9:00am | 1:00am | |
| 10:00am | 2:00am | |
| 11:00am | 3:00am | |
| 12:00pm | 4:00am | |
| 1:00pm | 5:00am | |
| 2:00pm | 6:00am | |
| 3:00pm | 7:00am | |
| 4:00pm | 8:00am | |
| 5:00pm | 9:00am | |
| 6:00pm | 10:00am | |
| 7:00pm | 11:00am | |
| 8:00pm | 12:00pm | |
| 9:00pm | 1:00pm | |
| 10:00pm | 2:00pm | |
| 11:00pm | 3:00pm | |
| 12:00am next day | 4:00pm | |
| 1:00am next day | 5:00pm | |
| 2:00am next day | 6:00pm | |
| 3:00am next day | 7:00pm | |
| 4:00am next day | 8:00pm | |
| 05:00 | 21:00 previous day | |
| 06:00 | 22:00 previous day | |
| 07:00 | 23:00 previous day | |
| 08:00 | 00:00 | |
| 09:00 | 01:00 | |
| 10:00 | 02:00 | |
| 11:00 | 03:00 | |
| 12:00 | 04:00 | |
| 13:00 | 05:00 | |
| 14:00 | 06:00 | |
| 15:00 | 07:00 | |
| 16:00 | 08:00 | |
| 17:00 | 09:00 | |
| 18:00 | 10:00 | |
| 19:00 | 11:00 | |
| 20:00 | 12:00 | |
| 21:00 | 13:00 | |
| 22:00 | 14:00 | |
| 23:00 | 15:00 | |
| 00:00 next day | 16:00 | |
| 01:00 next day | 17:00 | |
| 02:00 next day | 18:00 | |
| 03:00 next day | 19:00 | |
| 04:00 next day | 20:00 |
Boston Time Zone and Facts
Time Zone
EST – Eastern Standard Time, UTC-5 (standard time)
Boston Facts
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
On April 24, 2021 all shaded areas are on BST.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 28, 2021 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 28, 2021, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 31, 2021 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 31, 2021, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
On April 24, 2021 the shaded areas are on UTC−7 (PDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) ended on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 14, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 7, 2021, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone