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Location 1 UTC offset
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Location 2 UTC offset
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Future date
Time Difference Table
| Location 1 | Location 2 |
|---|
Singapore (SGT, UTC+8) is 7–8 hours ahead of London. Singapore does not observe Daylight Saving Time, so the gap changes only when London switches clocks: 8 hours ahead from late October to late March (GMT), and 7 hours ahead from late March to late October (BST).
London is behind by
−8h
Winter (Oct–Mar, GMT)
London is behind by
−7h
Summer (Mar–Oct, BST)
Singapore timezone
SGT
UTC+8
London timezone
GMT / BST
UTC+0 / UTC+1
Best Times to Schedule a Meeting
With a 7–8 hour gap, Singapore afternoon aligns with London morning. Best window: 16:00–21:00 Singapore time (09:00–13:00 London) in winter, or 15:00–20:00 Singapore (09:00–13:00 London) in summer.
| Singapore time | London time | Season | Suitability |
|---|---|---|---|
| 16:00 – 21:00 SGT | 09:00–13:00 London (GMT) | Winter Oct–Mar | Best window |
| 15:00 – 20:00 SGT | 09:00–13:00 London (BST) | Summer Mar–Oct | Best window |
Time Difference by Month
Highlighted months indicate when a DST transition changes the difference.
Jan
8h
Feb
8h
Mar
8h
Apr
7h
May
7h
Jun
7h
Jul
7h
Aug
7h
Sep
7h
Oct
7h
Nov
8h
Dec
8h
Daylight Saving Time Schedule
Singapore does not observe DST. SGT is permanently UTC+8 year-round. The gap changes only when London switches clocks — late March (8h→7h) and late October (7h→8h).
| Event | Singapore | London | Effect |
|---|---|---|---|
| London springs forward | Last Sunday of March, 01:00 | — (no change) | 7h from late March |
| London falls back | Last Sunday of October, 02:00 | — (no change) | 8h from late October |
Frequently Asked Questions
How many hours behind London is Singapore?
London is 8 hours behind Singapore in winter (GMT vs SGT) and 7 hours behind in summer (BST vs SGT). Singapore does not observe DST — the difference changes only when London switches clocks.
What time is it in London when it is noon in Singapore?
When it is 12:00 noon in Singapore (SGT), it is 04:00 in London in winter (GMT), or 05:00 in summer (BST). SGT is always UTC+8.
What is the best time to call London from Singapore?
The best window is 16:00–21:00 Singapore time (09:00–13:00 London) in winter, or 15:00–20:00 Singapore (09:00–13:00 London) in summer.
Does Singapore observe Daylight Saving Time?
No. Singapore Time (SGT) is permanently UTC+8 all year. The difference with London changes only due to the UK's DST schedule.
When does the Singapore–London time difference change?
Twice a year: when London springs forward in late March (8h→7h gap) and when London falls back in late October (7h→8h gap). Singapore never changes its clocks.
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