Time converter
Boston to London Converter
Convert any time from Boston to London — every 15 minutes, daylight-saving aware. Switch to London → Boston →
EDT (daylight saving time)
BST (daylight saving time)
About this conversion
Boston is on UTC-5; London is on UTC. In standard (winter) time, London is 5 hours ahead Boston.
UK Time runs on BST from the last Sunday of March to last Sunday of October, and on GMT the rest of the year.
Every 15 minutes — Boston to London
Reference table for London, in 15-minute increments. Both standard-time and daylight-saving answers are shown where they differ.
- 12:00 AM5:00 AM
- 12:15 AM5:15 AM
- 12:30 AM5:30 AM
- 12:45 AM5:45 AM
- 1:00 AM6:00 AM
- 1:15 AM6:15 AM
- 1:30 AM6:30 AM
- 1:45 AM6:45 AM
- 2:00 AM7:00 AM
- 2:15 AM7:15 AM
- 2:30 AM7:30 AM
- 2:45 AM7:45 AM
- 3:00 AM8:00 AM
- 3:15 AM8:15 AM
- 3:30 AM8:30 AM
- 3:45 AM8:45 AM
- 4:00 AM9:00 AM
- 4:15 AM9:15 AM
- 4:30 AM9:30 AM
- 4:45 AM9:45 AM
- 5:00 AM10:00 AM
- 5:15 AM10:15 AM
- 5:30 AM10:30 AM
- 5:45 AM10:45 AM
- 6:00 AM11:00 AM
- 6:15 AM11:15 AM
- 6:30 AM11:30 AM
- 6:45 AM11:45 AM
- 7:00 AM12:00 PM
- 7:15 AM12:15 PM
- 7:30 AM12:30 PM
- 7:45 AM12:45 PM
- 8:00 AM1:00 PM
- 8:15 AM1:15 PM
- 8:30 AM1:30 PM
- 8:45 AM1:45 PM
- 9:00 AM2:00 PM
- 9:15 AM2:15 PM
- 9:30 AM2:30 PM
- 9:45 AM2:45 PM
- 10:00 AM3:00 PM
- 10:15 AM3:15 PM
- 10:30 AM3:30 PM
- 10:45 AM3:45 PM
- 11:00 AM4:00 PM
- 11:15 AM4:15 PM
- 11:30 AM4:30 PM
- 11:45 AM4:45 PM
- 12:00 PM5:00 PM
- 12:15 PM5:15 PM
- 12:30 PM5:30 PM
- 12:45 PM5:45 PM
- 1:00 PM6:00 PM
- 1:15 PM6:15 PM
- 1:30 PM6:30 PM
- 1:45 PM6:45 PM
- 2:00 PM7:00 PM
- 2:15 PM7:15 PM
- 2:30 PM7:30 PM
- 2:45 PM7:45 PM
- 3:00 PM8:00 PM
- 3:15 PM8:15 PM
- 3:30 PM8:30 PM
- 3:45 PM8:45 PM
- 4:00 PM9:00 PM
- 4:15 PM9:15 PM
- 4:30 PM9:30 PM
- 4:45 PM9:45 PM
- 5:00 PM10:00 PM
- 5:15 PM10:15 PM
- 5:30 PM10:30 PM
- 5:45 PM10:45 PM
- 6:00 PM11:00 PM
- 6:15 PM11:15 PM
- 6:30 PM11:30 PM
- 6:45 PM11:45 PM
- 7:00 PM12:00 AM(+1d)
- 7:15 PM12:15 AM(+1d)
- 7:30 PM12:30 AM(+1d)
- 7:45 PM12:45 AM(+1d)
- 8:00 PM1:00 AM(+1d)
- 8:15 PM1:15 AM(+1d)
- 8:30 PM1:30 AM(+1d)
- 8:45 PM1:45 AM(+1d)
- 9:00 PM2:00 AM(+1d)
- 9:15 PM2:15 AM(+1d)
- 9:30 PM2:30 AM(+1d)
- 9:45 PM2:45 AM(+1d)
- 10:00 PM3:00 AM(+1d)
- 10:15 PM3:15 AM(+1d)
- 10:30 PM3:30 AM(+1d)
- 10:45 PM3:45 AM(+1d)
- 11:00 PM4:00 AM(+1d)
- 11:15 PM4:15 AM(+1d)
- 11:30 PM4:30 AM(+1d)
- 11:45 PM4:45 AM(+1d)
Frequently asked
What is noon Boston in London?
When it's 12:00 PM Boston (Eastern Time), the time in London (UK Time) is 5:00 PM year-round.
How many hours is London ahead of Boston?
In standard (winter) time, London is 5 hours ahead of Boston. When daylight saving time is in effect, the difference becomes 5 hours ahead of Boston.
When does UK Time switch between GMT and BST?
UK Time is on BST (UTC+1) from the last Sunday of March to last Sunday of October, and on GMT (UTC) the rest of the year.
What cities use UK Time?
Major cities on UK Time include London, Edinburgh, Dublin, and Cardiff.
What is noon Boston in other time zones?
Noon Boston corresponds to 11:00 AM CST, 9:00 AM PST, 6:00 PM CET.