London vs. Guam time difference

London is 9 hours behind Guam

London UKGuam Mariana Islands
Fri 11:58 am

BST (UTC/GMT +1)
Fri 08:58 pm

CHST (UTC/GMT +10)
7 am4:00 pm
9 am6:00 pm
11 am8:00 pm
1 pm10:00 pm
3 pm12:00 am next day
5 pm2:00 am next day
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Time difference between London UK and Guam Mariana Islands is 9:0 hours

Guam doesn't observe daylight saving time but London does. DST in London started on 31 March 2019 and will end on 27 October 2019. Once DST ends in London the time difference between London and Guam will be 10:0 hours.