London to Singapore Time Difference
Singapore is 7 or 8 hours ahead of London depending on British Summer Time. Best call times, market overlap, and flight time zones.
The short answer
Singapore is 7 hours ahead of London during British Summer Time (BST) and 8 hours ahead during winter (GMT).
Singapore operates on UTC+8 year-round and does not observe Daylight Saving Time. The optimal business overlap window occurs during the London morning (08:30 – 10:30) and Singapore late afternoon (15:30 – 17:30 / 16:30 – 18:30).
Hour Comparison Table (London vs. Singapore)
| London Time (GMT / BST) | Singapore in Summer (BST, +7h) | Singapore in Winter (GMT, +8h) | Activity |
|---|---|---|---|
| 08:00 (London start) | 15:00 (Singapore afternoon) | 16:00 (Singapore afternoon) | Handover & live sync window |
| 10:00 (London morning) | 17:00 (Singapore EOD) | 18:00 (Singapore EOD) | Singapore signing off |
| 14:00 (London afternoon) | 21:00 (Singapore night) | 22:00 (Singapore night) | Singapore offline |
| 17:00 (London EOD) | 00:00 (Midnight) | 01:00 AM (next day) | Singapore sleeping |
Financial Market & Trading Hours Overlap
The Singapore Exchange (SGX) closes at 17:00 SGT, which aligns with 09:00 or 10:00 AM London time, allowing London traders a direct 1–2 hour live window before Asian markets close for the day.
Timezone: World Clock Widget
A world clock, converter and live day/night map for iPhone — 325 cities, offline, no account.
Figures on this page are computed from the IANA time zone database. Last generated 2026-08-20.