BST to UTC Time Converter

Convert British Summer Time to Coordinated Universal Time - Quick & Accurate

London (BST)
UTC (UTC)
UTC is 0 hours ahead of BST

Quick Time Conversion

London
British Summer Time
UTC+1
UTC
Coordinated Universal Time
UTC+0

Current Time Right Now

British Summer Time
Coordinated Universal Time

Updates live every second

24-Hour Visual Comparison

BST (London)
12am BST
1am BST
2am BST
3am BST
4am BST
5am BST
6am BST
7am BST
8am BST
9am BST
10am BST
11am BST
12pm BST
1pm BST
2pm BST
3pm BST
4pm BST
5pm BST
6pm BST
7pm BST
8pm BST
9pm BST
10pm BST
11pm BST
12a6a12p6p12a
UTC (UTC)
12am UTC
1am UTC
2am UTC
3am UTC
4am UTC
5am UTC
6am UTC
7am UTC
8am UTC
9am UTC
10am UTC
11am UTC
12pm UTC
1pm UTC
2pm UTC
3pm UTC
4pm UTC
5pm UTC
6pm UTC
7pm UTC
8pm UTC
9pm UTC
10pm UTC
11pm UTC
Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between BST and UTC:

Best Window (BST)
9:00 AM - 12:00 PM
Which is (UTC)
9:00 AM - 12:00 PM
Both parties in business hours
Optimal overlap window
Ideal for international teams

Pro Tip: Schedule calls during the overlap window for optimal convenience for both time zones

Complete BST to UTC Conversion Table

BST TimeUTC TimeContext
12:00 AM12:00 AM
Midnight BST
01:00 AM01:00 AM
Late Night
02:00 AM02:00 AM
Late Night
03:00 AM03:00 AM
Late Night
04:00 AM04:00 AM
Late Night
05:00 AM05:00 AM
Late Night
06:00 AM06:00 AM
Early Morning BST
07:00 AM07:00 AM
Night Time
08:00 AM08:00 AM
Night Time
09:00 AM09:00 AM
Work Starts BST
10:00 AM10:00 AM
Night Time
11:00 AM11:00 AM
Night Time

British Summer Time (BST)

UTC+1
UTC+1
Representative City:

London

IANA Identifier:

Europe/London

Coordinated Universal Time (UTC)

UTC+0
UTC+0
Representative City:

UTC

IANA Identifier:

UTC

Quick Reference

Time Difference: UTC is 0 hours ahead of BST
Note: Time difference may vary during daylight saving transitions
UTC Offsets: BST = UTC+1, UTC = UTC+0
2025 DST (North America): Starts March 9 at 2:00 AM, Ends November 2 at 2:00 AM

Frequently Asked Questions

UTC (Coordinated Universal Time) is 0 hours ahead of BST (British Summer Time). This means when it's 12:00 PM in London (BST), it's 12:00 PM in UTC (UTC).

The best time to call from BST to UTC is during overlapping business hours. For BST callers, schedule between 9:00 AM - 12:00 PM BST to ensure both parties are within standard business hours.

The time difference may change during daylight saving transitions if one region observes DST while the other doesn't. British Summer Time (UTC+1) and Coordinated Universal Time (UTC+0) may have different DST schedules.

BST includes cities like London. UTC includes cities like UTC. Both time zones cover important business and cultural centers.

In 2025, DST in North America starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. Other regions may have different DST schedules or not observe DST at all.