Convert BST to GMT Time - London to London

Convert British Summer Time (BST) to Greenwich Mean Time (GMT, UTC+0) with our professional time zone converter. Designed for international business meetings between London to London, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling.

🇬🇧

BST

British Summer Time

Current Time

Select Date & Time

→

🌍

GMT

Greenwich Mean Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

BST to GMT Time Conversion

Greenwich Mean Time is 1 hour behind British Summer Time

Always accurate • Live conversion

-1h

difference

BST to GMT Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

British Summer Time to Greenwich Mean Time full day schedule

🇬🇧 British Summer Time	🌍 Greenwich Mean Time
12:00 AM 00:00	11:00 PM (previous day) 23:00
1:00 AM 01:00	12:00 AM 00:00
2:00 AM 02:00	1:00 AM 01:00
3:00 AM 03:00	2:00 AM 02:00
4:00 AM 04:00	3:00 AM 03:00
5:00 AM 05:00	4:00 AM 04:00
6:00 AM 06:00	5:00 AM 05:00
7:00 AM 07:00	6:00 AM 06:00
8:00 AM 08:00	7:00 AM 07:00
9:00 AM 09:00	8:00 AM 08:00
10:00 AM 10:00	9:00 AM 09:00
11:00 AM 11:00	10:00 AM 10:00
12:00 PM 12:00	11:00 AM 11:00
1:00 PM 13:00	12:00 PM 12:00
2:00 PM 14:00	1:00 PM 13:00
3:00 PM 15:00	2:00 PM 14:00
4:00 PM 16:00	3:00 PM 15:00
5:00 PM 17:00	4:00 PM 16:00
6:00 PM 18:00	5:00 PM 17:00
7:00 PM 19:00	6:00 PM 18:00
8:00 PM 20:00	7:00 PM 19:00
9:00 PM 21:00	8:00 PM 20:00
10:00 PM 22:00	9:00 PM 21:00
11:00 PM 23:00	10:00 PM 22:00

🇬🇧

12:00 AM

BST

→

11:00 PM

GMT

(previous day)

🌍

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1:00 AM

BST

→

12:00 AM

GMT

🌍

🇬🇧

2:00 AM

BST

→

1:00 AM

GMT

🌍

🇬🇧

3:00 AM

BST

→

2:00 AM

GMT

🌍

🇬🇧

4:00 AM

BST

→

3:00 AM

GMT

🌍

🇬🇧

5:00 AM

BST

→

4:00 AM

GMT

🌍

🇬🇧

6:00 AM

BST

→

5:00 AM

GMT

🌍

🇬🇧

7:00 AM

BST

→

6:00 AM

GMT

🌍

🇬🇧

8:00 AM

BST

→

7:00 AM

GMT

🌍

🇬🇧

9:00 AM

BST

→

8:00 AM

GMT

🌍

🇬🇧

10:00 AM

BST

→

9:00 AM

GMT

🌍

🇬🇧

11:00 AM

BST

→

10:00 AM

GMT

🌍

🇬🇧

12:00 PM

BST

→

11:00 AM

GMT

🌍

🇬🇧

1:00 PM

BST

→

12:00 PM

GMT

🌍

🇬🇧

2:00 PM

BST

→

1:00 PM

GMT

🌍

🇬🇧

3:00 PM

BST

→

2:00 PM

GMT

🌍

🇬🇧

4:00 PM

BST

→

3:00 PM

GMT

🌍

🇬🇧

5:00 PM

BST

→

4:00 PM

GMT

🌍

🇬🇧

6:00 PM

BST

→

5:00 PM

GMT

🌍

🇬🇧

7:00 PM

BST

→

6:00 PM

GMT

🌍

🇬🇧

8:00 PM

BST

→

7:00 PM

GMT

🌍

🇬🇧

9:00 PM

BST

→

8:00 PM

GMT

🌍

🇬🇧

10:00 PM

BST

→

9:00 PM

GMT

🌍

🇬🇧

11:00 PM

BST

→

10:00 PM

GMT

🌍

Best Meeting Times for BST and GMT

Optimal Collaboration Hours

Best times for BST ↔ GMT meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

10:00 AM BST → 9:00 AM GMT

Perfect for both time zones

11:00 AM BST → 10:00 AM GMT

Perfect for both time zones

12:00 PM BST → 11:00 AM GMT

Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

BST vs GMT Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

🇬🇧

British Summer Time

Source timezone

UTC Offset 1.0h

Code BST

Region Global

Status ✓ Active

🌍

Greenwich Mean Time

Target timezone

UTC Offset 0.0h

Code GMT

Region Global

Status ✓ Active

Frequently Asked Questions

How do I convert 2 PM BST to GMT time?

When it's 2:00 PM (14:00) in British Summer Time (BST), it will be 1:00 PM (13:00) in Greenwich Mean Time (GMT). Subtract one hour from any BST time to get the GMT equivalent. Use iformat.io's instant converter for quick and accurate results.

What's the quickest way to check current BST to GMT difference?

Use iformat.io's real-time converter - which automatically shows the current time in both BST and GMT. Our tool updates instantly and accounts for daylight saving changes, so you'll always have the correct time difference.

Is 9 AM BST the same as 9 AM GMT?

No, 9:00 AM BST is 8:00 AM GMT. BST is always one hour ahead of GMT. iformat.io's conversion tool helps you avoid confusion by showing exact time differences for any hour of the day.

How can I schedule a meeting between BST and GMT zones?

Enter your preferred meeting time in either BST or GMT into iformat.io's converter. It will instantly show you the corresponding time in the other zone. For example, if you want to schedule a meeting for 10:00 BST, our tool will show you it's 09:00 GMT.

Does iformat.io's BST to GMT converter work year-round?

Our converter works throughout the year and automatically adjusts for seasonal changes. It recognizes when the UK switches between BST and GMT, ensuring your conversions are always accurate regardless of the season.

How do I convert multiple BST times to GMT at once?

iformat.io allows batch conversion multiple times. Enter all your BST times, and our tool will instantly show you all corresponding GMT times. This is particularly useful for planning various meetings or events.

Can I use iformat.io to convert future BST dates to GMT?

Yes, our converter handles future dates perfectly. Whether you're planning for next summer or organizing events months in advance, enter your future BST time and date to see the GMT equivalent.