British Summer Time (bst) is used in United Kingdom. The IANA timezone identifier is Europe/London.

Coordinated Universal Time (utc) is used in United Kingdom. The IANA timezone identifier is UTC.

BST to UTC Time Converter

British Summer Time → Coordinated Universal Time

BST = UTC+1UTC = UTC+0

⚠️ BST is ambiguous — on this page it means British Summer Time. It also refers to:

Bangladesh Standard Time (Dhaka) → UTC ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

UTC (London)

United Kingdom · UTC±0

09:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Sydney

Australia · +9h

18:00

Time difference: BST (London) and UTC (London)

BST (London) is 1 hour ahead of UTC (London). When it's noon in BST (London), it's 11:00 in UTC (London).

BST (London) is in the Europe/London timezone. UTC (London) is in Europe/London. The difference is 1 hour.

Business hours comparison

Both BST (London) and UTC (London) are simultaneously in business hours for 7 hours per day (assuming standard 9:00–17:00 working hours).

00:0006:0012:0018:0024:00

BST (London)

UTC (London)

Overlap (7h)

Recommended meeting windows

Both BST (London) and UTC (London) are in standard hours simultaneously for 7h per day. 3 recommended slots shown below.

10:00 London / 09:00 London✓ Both working

11:00 London / 10:00 London✓ Both working

12:00 London / 11:00 London✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Public holidays this year

BST (London)7 holidays

Jun 15World Cup Bank HolidaySOON

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

UTC (London)

No upcoming public holidays this year.

BST (London) and UTC (London) — practical scheduling

BST (London) (United Kingdom) leads UTC (London) (United Kingdom) by 1 hours. Despite the gap, a 7-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Practical scheduling guidelines

✅

10:00–11:00 in BST (London) = 09:00–10:00 in UTC (London). Both sides are in standard business hours during this window.

✅

11:00–12:00 in BST (London) = 10:00–11:00 in UTC (London). Both sides are in standard business hours during this window.

✅

12:00–13:00 in BST (London) = 11:00–12:00 in UTC (London). Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in BST (London). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

BST (London) ↔ UTC (London)

7h of business hours overlap daily (09:00–17:00)

BST (London)

UTC (London)

00:00

23:00-1d

01:00

00:00

02:00

01:00

03:00

02:00

04:00

03:00

05:00

04:00

06:00

05:00

07:00

06:00

08:00

07:00

09:00Working

08:00off

10:00Working

09:00Working

11:00Working

10:00Working

12:00Working

11:00Working

13:00Working

12:00Working

14:00Working

13:00Working

15:00Working

14:00Working

16:00Working

15:00Working

17:00

16:00Working

18:00

17:00

19:00

18:00

20:00

19:00

21:00

20:00

22:00

21:00

23:00

22:00

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between bst and utc?

British Summer Time (bst) is UTC+1 and Coordinated Universal Time (utc) is UTC+0. The difference between them is 1 hours.

Where is bst used?

British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.

Where is utc used?

Coordinated Universal Time (utc) is used in United Kingdom and surrounding regions. The IANA timezone identifier is UTC.

How do I convert bst to utc?

Use the interactive converter above. Drag the time slider to any bst time and the utc equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular BST conversions

BST → New York BST → Tokyo BST → Dubai BST → Sydney BST → Paris BST → Berlin BST → Singapore BST → Los Angeles BST → Toronto BST → Mumbai

Popular UTC conversions

New York → UTC Tokyo → UTC Dubai → UTC Sydney → UTC Paris → UTC Berlin → UTC Singapore → UTC Los Angeles → UTC Toronto → UTC Mumbai → UTC