Question 1

What is the time difference between GMT and SGT?

Accepted Answer

Singapore Time (SGT) is 8 hours ahead of Greenwich Mean Time (GMT). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert GMT to SGT?

Accepted Answer

To convert GMT to SGT, add 8 hours to the GMT time. For example, 9:00 AM GMT is 5:00 PM SGT.

Question 3

What time is it in SGT when it's noon in GMT?

Accepted Answer

When it's 12:00 PM (noon) in GMT, it's 8:00 PM in SGT. SGT is 8 hours ahead of GMT.

Question 4

How many hours ahead is SGT from GMT?

Accepted Answer

SGT is 8 hours ahead of GMT. This means when it's 9:00 AM in GMT, it's 5:00 PM in SGT.

Question 5

Is SGT ahead or behind GMT?

Accepted Answer

SGT is ahead of GMT by 8 hours. Clocks in SGT show a later time than GMT.

Question 6

Does GMT observe daylight saving time?

Accepted Answer

Yes, Greenwich Mean Time observes daylight saving time. During DST, the abbreviation changes to BST and clocks move forward by one hour.

Question 7

Does SGT observe daylight saving time?

Accepted Answer

No, Singapore Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 8

What is the best time to call from GMT to SGT?

Accepted Answer

The best time for a call between GMT and SGT is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in GMT?

Accepted Answer

Daylight saving time transitions vary by year and region. Greenwich Mean Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between GMT and SGT may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do GMT and SGT ever have the same time?

Accepted Answer

No, GMT and SGT never show the same time. However, because GMT observes daylight saving time and SGT does not, the time difference between them changes by one hour during DST transitions.

Greenwich Mean Time (GMT)	Period	Singapore Time (SGT)	Period
12:00 AM	Night	8:00 AM	Morning
1:00 AM	Night	9:00 AM	Business
2:00 AM	Night	10:00 AM	Business
3:00 AM	Night	11:00 AM	Business
4:00 AM	Night	12:00 PM	Business
5:00 AM	Night	1:00 PM	Business
6:00 AM	Morning	2:00 PM	Business
7:00 AM	Morning	3:00 PM	Business
8:00 AM	Morning	4:00 PM	Business
9:00 AM	Business	5:00 PM	Business
10:00 AM	Business	6:00 PM	Evening
11:00 AM	Business	7:00 PM	Evening
12:00 PM	Business	8:00 PM	Evening
1:00 PM	Business	9:00 PM	Evening
2:00 PM	Business	10:00 PM	Evening
3:00 PM	Business	11:00 PM	Evening
4:00 PM	Business	12:00 AM+1d	Night
5:00 PM	Business	1:00 AM+1d	Night
6:00 PM	Evening	2:00 AM+1d	Night
7:00 PM	Evening	3:00 AM+1d	Night
8:00 PM	Evening	4:00 AM+1d	Night
9:00 PM	Evening	5:00 AM+1d	Night
10:00 PM	Evening	6:00 AM+1d	Morning
11:00 PM	Evening	7:00 AM+1d	Morning

GMT to SGT Converter

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