GMT to SGT Time Converter - Live World Clock
Convert time between Greenwich Mean Time (GMT) and Singapore Time (SGT). See current time with live clocks.
United Kingdom (GMT)
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06:27:46 PM
Thursday, August 20, 2026
Singapore (SGT)
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01:27:46 AM
Friday, August 21, 2026
Current Time Difference
GMT is -8 hours behind SGT
What is GMT (Greenwich Mean Time)?
Greenwich Mean Time (GMT) is the reference point for world time zones, UTC+0:00.
Countries and Regions Using GMT
Primary Country:
- United Kingdom
Also Used By:
- Ireland
- Portugal
Key Facts about GMT:
- ✓ Prime meridian reference point
- ✓ London financial center
- ✓ Historical timekeeping standard
- ✓ Major Cities: London, Manchester, Birmingham, Leeds, Glasgow
- ✓ UTC Offset: +0:00 (+1:00 during BST)
What is SGT (Singapore Time)?
Singapore Time (SGT) used in Singapore and parts of Southeast Asia, UTC+8:00.
Countries and Regions Using SGT
Primary Country:
- Singapore
Also Used By:
- Malaysia
- Philippines
Key Facts about SGT:
- ✓ Major financial center
- ✓ Tech hub
- ✓ No DST observed
- ✓ Major Cities: Singapore
- ✓ UTC Offset: +8:00
GMT to SGT Time Difference
Standard Time Difference:
GMT is -8 hours behind
Common Use Cases:
- • Business meetings between United Kingdom and Singapore
- • International collaboration across timezones
- • Scheduling calls and conferences
Frequently Asked Questions
Which countries are in GMT time zone?
United Kingdom is the primary country using GMT (+0:00). Other countries include: Ireland, Portugal.
Which countries are in SGT time zone?
Singapore is the primary country using SGT (+8:00). Other countries include: Malaysia, Philippines.
How many hours is GMT ahead of SGT?
GMT is -8 hours behind SGT.
Does United Kingdom observe Daylight Saving Time?
Yes, United Kingdom observes Daylight Saving Time. During DST, GMT changes to BST (British Summer Time) with UTC offset of +1:00.