GMT to SGT Time Converter

Convert Greenwich Mean Time (GMT) to Singapore Time (SGT). Both time zones are shown live below; current offset between them is 7 hours ahead.

London · Greenwich Mean Time
21:55:26
Sunday, May 10, 2026
GMT+1 · UTC+01:00
Singapore · Singapore Time
04:55:26
Monday, May 11, 2026
GMT+8 · UTC+08:00

Convert a specific time

From: GMT (London)
To: SGT (Singapore)
--:--

Daylight Saving status right now

GMT (Greenwich Mean Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
SGT (Singapore Time)
Observes DST
No

Heads up: GMT observes DST while SGT does not. The 7-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can GMT and SGT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
GMT
SGT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in London (GMT). Each row shows the local working-hours state in that zone for the same moment in time.
1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–09:00 GMT (16:00–16:00 SGT).

Hour-by-hour GMT to SGT conversion table

GMT time (London)SGT time (Singapore)Status
00:00 Sun07:00 SunOff-hours both sides
01:00 Sun08:00 SunOff-hours both sides
02:00 Sun09:00 SunSGT working
03:00 Sun10:00 SunSGT working
04:00 Sun11:00 SunSGT working
05:00 Sun12:00 SunSGT working
06:00 Sun13:00 SunSGT working
07:00 Sun14:00 SunSGT working
08:00 Sun15:00 SunSGT working
09:00 Sun16:00 SunBoth at work
10:00 Sun17:00 SunGMT working
11:00 Sun18:00 SunGMT working
12:00 Sun19:00 SunGMT working
13:00 Sun20:00 SunGMT working
14:00 Sun21:00 SunGMT working
15:00 Sun22:00 SunGMT working
16:00 Sun23:00 SunGMT working
17:00 Sun00:00 MonOff-hours both sides
18:00 Sun01:00 MonOff-hours both sides
19:00 Sun02:00 MonOff-hours both sides
20:00 Sun03:00 MonOff-hours both sides
21:00 Sun04:00 MonOff-hours both sides
22:00 Sun05:00 MonOff-hours both sides
23:00 Sun06:00 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham
Singapore Time (SGT)
IANA identifier
Asia/Singapore
Current UTC offset
UTC+08:00
Current abbreviation
GMT+8
Major cities in this zone
Singapore

Sun today in London and Singapore

London
Sunrise
05:18
Sunset
20:38
Solar noon
12:58
Daylight
15h 20m
Singapore
Sunrise
06:57
Sunset
19:07
Solar noon
13:02
Daylight
12h 10m

Related converters

SGT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to SGTPST to SGTUTC to SGTCET to SGTIST to SGT
Looking for local time? See time in London or time in Singapore.

Frequently asked questions

What is the time difference between GMT and SGT right now?+
SGT (Singapore Time) is currently 7 hours ahead GMT (Greenwich Mean Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does GMT or SGT observe daylight saving time?+
GMT: observes daylight saving time. SGT: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and SGT?+
The strongest overlap is 09:00–09:00 GMT (16:00–16:00 SGT), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Singapore when it is 12:00 noon in London?+
When it is 12:00 Sun in London (GMT), it is 19:00 Sun in Singapore (SGT).
Which IANA time zone identifiers are used for GMT and SGT?+
GMT maps to "Europe/London" in the IANA database. SGT maps to "Asia/Singapore". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Singapore?+
Whether London (GMT) is ahead of or behind Singapore (SGT) depends on the current UTC offsets. Right now SGT is 7 hours ahead GMT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GMT and SGT?+
GMT is UTC+01:00 (GMT+1) and SGT is UTC+08:00 (GMT+8). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both GMT and SGT?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–09:00 GMT.