United Kingdom to GMT time converter
GMT is 1 hour behind United Kingdom. When it is 9:00 AM in United Kingdom, it is 8:00 AM in GMT.
United Kingdom BST
Sunday, October 18, 2026
GMT UTC
Saturday, October 17, 2026
12:47 AM in United Kingdom, Sunday, October 18, 2026
United Kingdom to GMT conversion table
Every hour of today in United Kingdom and the matching time in GMT. Light rows are typical working hours (9:00–18:00).
| United Kingdom | GMT |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in United Kingdom (9:00 AM – 5:00 PM in GMT).
Daylight saving time and the difference
The difference changes during the year because United Kingdom and GMT switch clocks on different dates:
- Oct 18, 2026 – Oct 25, 2026: -1h
- Oct 25, 2026 – Mar 28, 2027: ±0
- Mar 28, 2027 – Oct 18, 2027: -1h
More conversions
Questions and answers
What is the time difference between United Kingdom and GMT?
GMT is 1 hour behind United Kingdom.
What time is it in GMT when it is 9 AM in United Kingdom?
When it is 9:00 AM in United Kingdom, it is 8:00 AM in GMT.
When is the best time to call GMT from United Kingdom?
Both sides are at work from 10:00 AM – 6:00 PM in United Kingdom (9:00 AM – 5:00 PM in GMT).
Does the time difference between United Kingdom and GMT change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.