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GMT to SGT Time Converter

Use this GMT to SGT time converter to compare United Kingdom and Singapore time instantly. SGT is 8 hours ahead of GMT, so 9:00 AM GMT becomes 5:00 PM SGT and 5:00 PM GMT becomes 1:00 AM (next day) SGT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

GMT Greenwich Mean Time
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SGT Singapore Time
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Select a time to convert

GMT to SGT Quick Facts

Use this GMT to SGT converter to compare United Kingdom and Singapore time, check the 8 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM GMT / 5:00 PM SGT.

Time Difference
Singapore Time is 8 hours ahead of Greenwich Mean Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM GMT and 5:00 PM SGT.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert GMT to SGT

Converting between Greenwich Mean Time and Singapore Time means accounting for a 8 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your GMT Time

Pick the date and time in Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current GMT time instantly, or use "+1h" to step forward and compare.

Read the SGT Result

The equivalent Singapore Time (UTC +8) time appears immediately. Since SGT is 8 hours ahead of GMT, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the SGT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Universal–Singapore calls.

Why Choose Our GMT to SGT Converter

Align GMT–SGT Meetings Instantly

When someone in Universal suggests 9:00 AM GMT, that's 5:00 PM SGT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night GMT times can land on a different date in SGT because of the 8 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the GMT–SGT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a GMT-Timed Event

Product launches, sports matches, and webinars are often announced in GMT. Convert the event time to SGT so you know exactly when to tune in — with a 8 hours difference, a morning event in Universal falls during work hours in Singapore.

GMT to SGT Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Greenwich Mean Time to Singapore Time full day schedule

12:00 AM
GMT
→
8:00 AM
SGT
1:00 AM
GMT
→
9:00 AM
SGT
2:00 AM
GMT
→
10:00 AM
SGT
3:00 AM
GMT
→
11:00 AM
SGT
4:00 AM
GMT
→
12:00 PM
SGT
5:00 AM
GMT
→
1:00 PM
SGT
6:00 AM
GMT
→
2:00 PM
SGT
7:00 AM
GMT
→
3:00 PM
SGT
8:00 AM
GMT
→
4:00 PM
SGT
9:00 AM
GMT
→
5:00 PM
SGT
10:00 AM
GMT
→
6:00 PM
SGT
11:00 AM
GMT
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7:00 PM
SGT
12:00 PM
GMT
→
8:00 PM
SGT
1:00 PM
GMT
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9:00 PM
SGT
2:00 PM
GMT
→
10:00 PM
SGT
3:00 PM
GMT
→
11:00 PM
SGT
4:00 PM
GMT
→
12:00 AM
SGT
(next day)
5:00 PM
GMT
→
1:00 AM
SGT
(next day)
6:00 PM
GMT
→
2:00 AM
SGT
(next day)
7:00 PM
GMT
→
3:00 AM
SGT
(next day)
8:00 PM
GMT
→
4:00 AM
SGT
(next day)
9:00 PM
GMT
→
5:00 AM
SGT
(next day)
10:00 PM
GMT
→
6:00 AM
SGT
(next day)
11:00 PM
GMT
→
7:00 AM
SGT
(next day)
The two zones in context

GMT vs SGT — cities and working rhythm

GMT — Greenwich Mean Time
Primary cities: London, Dublin, Lisbon, Accra, Reykjavík

UK / Ireland / Iceland / Portugal / West Africa. Business hours 9 AM – 5:30 PM GMT typically. Note: London is on GMT in winter, BST (GMT+1) in summer — but "GMT" gets used loosely all year in scheduling contexts. Financial-services London anchors the European trading day.

SGT — Singapore Time
Primary cities: Singapore, Kuala Lumpur, Manila, Hong Kong (HKT is the same offset)

Singapore / KL / Manila business hub — Southeast Asia's regional HQ zone. Business hours 9 AM – 6 PM SGT. Overlaps well with India (early SGT afternoon = late IST afternoon) and Australia (late morning SGT = early afternoon AEDT). Long time gap with the US means transactions bridging Singapore / SF are usually async.

Time gap: SGT is 8.0 hours ahead of GMT (standard-time offsets — daylight-saving flips shift this by an hour twice a year in most northern-hemisphere zones).

GMT to SGT Time Difference, Business Hours, and DST

GMT to SGT is one of the more useful timezone conversions for calls, deadlines, and travel planning. The current gap is 8 hours, which means 9:00 AM GMT becomes 5:00 PM SGT and 2:00 PM GMT becomes 10:00 PM SGT.

This matters when teams in London and Singapore need to align business hours, webinars, or customer-support coverage. Use the chart on this page when you want the exact conversion for today instead of relying on manual offset math.

Daylight saving changes can also shift the gap during the year, so a converter is safer than memorizing a fixed difference. That is especially important for recurring meetings and date-sensitive handoffs.

GMT to SGT FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Greenwich Mean Time and Singapore Time.

What is the time difference between GMT and SGT?

SGT is 8 hours ahead of GMT. GMT is UTC +0:00 and SGT is UTC +8:00 relative to UTC. Neither GMT nor SGT observes daylight saving time, so the 8 hours gap stays constant all year. That makes scheduling between them predictable.

When can GMT and SGT have business-hour overlap?

Aim for 09:00–09:00 GMT, which is 17:00–17:00 SGT. Both sides stay inside standard business hours.

Does GMT or SGT observe daylight saving time?

Neither GMT nor SGT observes daylight saving time, so the 8 hours gap stays constant all year. That makes scheduling between them predictable.

How do I quickly convert GMT to SGT?

To convert GMT to SGT, add 8 hours to the GMT time. Example: if it's 10:00 AM GMT, it's 18:00 SGT that day. The live converter at the top of this page handles DST automatically.

Popular GMT Time Converters

Explore more GMT conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to SGT

Find the time difference from any major zone into Singapore Time. Use these pages when scheduling with Singapore from a different region.

🇸🇬 Swap direction — SGT to GMT Converter