Guam to London Time Difference
🇬🇺 Guam is currently 10 hours behind of 🇬🇧 London. This difference varies between 10h and 9h due to Daylight Saving Time.
Live Calculator
Atin 🇬🇺 Guam→it will be—in 🇬🇧 London
Open full calculator →DST-accurate · shareable link
Difference
-10h
Business overlap
None
Distance
12,039 km
Approx. flight
14.2h
Hour-by-Hour: Guam to London
| 🇬🇺 Guam | 🇬🇧 London | Note |
|---|---|---|
| 12:00 AM | 2:00 PM(prev day) | Previous day |
| 1:00 AM | 3:00 PM(prev day) | Previous day |
| 2:00 AM | 4:00 PM(prev day) | Previous day |
| 3:00 AM | 5:00 PM(prev day) | Previous day |
| 4:00 AM | 6:00 PM(prev day) | Previous day |
| 5:00 AM | 7:00 PM(prev day) | Previous day |
| 6:00 AM | 8:00 PM(prev day) | Previous day |
| 7:00 AM | 9:00 PM(prev day) | Previous day |
| 8:00 AM | 10:00 PM(prev day) | Previous day |
| 9:00 AM | 11:00 PM(prev day) | Previous day |
| 10:00 AM | 12:00 AM | |
| 11:00 AM | 1:00 AM | |
| 12:00 PM | 2:00 AM | |
| 1:00 PM | 3:00 AM | |
| 2:00 PM | 4:00 AM | |
| 3:00 PM | 5:00 AM | |
| 4:00 PM | 6:00 AM | |
| 5:00 PM | 7:00 AM | |
| 6:00 PM | 8:00 AM | |
| 7:00 PM | 9:00 AM | |
| 8:00 PM | 10:00 AM | |
| 9:00 PM | 11:00 AM | |
| 10:00 PM | 12:00 PM | |
| 11:00 PM | 1:00 PM |
Daylight Saving Time (DST)
London observes Daylight Saving Time, while Guam does not. This causes the time difference to shift between 10 hours behind and 9 hours behind depending on the season. Currently, Guam is 10 hours behind relative to London.
Min difference
10h
Max difference
9h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Guam and London. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Guam and London?
The time difference between Guam and London is currently 10 hours behind. Guam uses GMT+10 (UTC+10), while London uses GMT (UTC+0). This difference varies seasonally due to Daylight Saving Time, ranging from 10 hours behind to 9 hours behind.
When it's noon in Guam, what time is it in London?
When it's 12:00 PM (noon) in Guam, it is 2:00 AM in London. Use our calculator above to convert any other time.
Does the time difference between Guam and London change?
Yes, the time difference changes throughout the year. Because London observes Daylight Saving Time, the offset shifts between 10 hours behind and 9 hours behind at different times of the year.
What are the best times to schedule a call between Guam and London?
There is no overlap between standard business hours (9 AM – 6 PM) in Guam and London. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Guam ahead or behind London?
Guam is currently 10 hours ahead of London.
What time zone is Guam in?
Guam is in the Pacific/Guam time zone, currently using GMT+10 (UTC+10). Guam does not observe Daylight Saving Time.
What time is midnight in Guam in London?
When it is midnight (12:00 AM) in Guam, it is 2:00 PM in London.