Singapore Time (sgt) is used in Singapore. The IANA timezone identifier is Asia/Singapore.

Greenwich Mean Time (gmt) is used in United Kingdom. The IANA timezone identifier is Europe/London.

SGT to GMT Time Converter

Singapore Time → Greenwich Mean Time

SGT = UTC+8GMT = UTC+1

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

GMT (London)

United Kingdom · -7h🔔 Public Holiday in 1d — World Cup Bank Holiday

02:00

New York

USA · -12h

21:00-1 day

Tokyo

Japan · +1h

10:00

Dubai

United Arab Emirates · -4h

05:00

Sydney

Australia · +2h

11:00

SGT (Singapore) ↔ GMT (London) — time offset

SGT (Singapore) is 7 hours ahead of GMT (London). When SGT (Singapore) clocks hit noon, GMT (London) reads 05:00.

SGT (Singapore) observes Asia/Singapore and GMT (London) observes Europe/London — a 7 hours gap between them.

Mutual working hours

Every working day, SGT (Singapore) and GMT (London) are both in business hours for 1 hour simultaneously.

00:0006:0012:0018:0024:00

SGT (Singapore)

GMT (London)

Overlap (1h)

Optimal meeting slots

SGT (Singapore) and GMT (London) share 1 hour of business hours overlap daily.

16:00 Singapore / 09:00 London✓ Both working

Assumes a standard 9 AM–5 PM workday in each location's local timezone.

Holiday calendar for both locations

⚡ Both locations have upcoming holidays, check availability before scheduling.

SGT (Singapore)3 holidays

Aug 10National Day

Nov 9Deepavali

Dec 25Christmas Day

GMT (London)7 holidays

Jun 15World Cup Bank HolidaySOON

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Working across SGT (Singapore) and GMT (London)

Coordinating between SGT (Singapore) (Singapore) and GMT (London) (United Kingdom) means working around a 7-hour time difference. The 1-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.

💡 Best practice for cross-timezone meetings

✅

Schedule at 16:00–17:00 (SGT (Singapore)) for a 09:00–10:00 slot in GMT (London) — the sweet spot where both teams are working.

Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.

Install ClockinSync Free →

Drag the slider at the top to convert any SGT (Singapore) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

SGT (Singapore) ↔ GMT (London)

1h of business hours overlap daily (09:00–17:00)

SGT (Singapore)

GMT (London)