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DateAlmanac

What is TRT in GMT?

Greenwich Mean Time is 3 hours behind

Turkey Time is on UTC+3:00 and Greenwich Mean Time is on UTC+0:00 right now. That gap holds all year, because neither zone observes daylight saving.

Convert a time

GMT — Greenwich Mean Time

8:00 am

GMT, Sat

Time in Istanbul
11:29:13 AM
Time in Greenwich
8:29:13 AM
Difference
−3 h
Next clock change
Neither zone

Daylight saving

Turkey Time

No clock changes

Turkey Time stays on TRT all year, so its offset from UTC never moves.

Greenwich Mean Time

No clock changes

Greenwich Mean Time stays on GMT all year, so its offset from UTC never moves.

TRT to GMT conversion table

Every hour of Saturday, November 7, 2026, converted from Turkey Time to Greenwich Mean Time. 3 of the 24 hours fall on a different calendar day in Greenwich, which is marked.

12:00 am TRT
9:00 pm GMT−1 day
1:00 am TRT
10:00 pm GMT−1 day
2:00 am TRT
11:00 pm GMT−1 day
3:00 am TRT
12:00 am GMT
4:00 am TRT
1:00 am GMT
5:00 am TRT
2:00 am GMT
6:00 am TRT
3:00 am GMT
7:00 am TRT
4:00 am GMT
8:00 am TRT
5:00 am GMT
9:00 am TRT
6:00 am GMT
10:00 am TRT
7:00 am GMT
11:00 am TRT
8:00 am GMT
12:00 pm TRT
9:00 am GMT
1:00 pm TRT
10:00 am GMT
2:00 pm TRT
11:00 am GMT
3:00 pm TRT
12:00 pm GMT
4:00 pm TRT
1:00 pm GMT
5:00 pm TRT
2:00 pm GMT
6:00 pm TRT
3:00 pm GMT
7:00 pm TRT
4:00 pm GMT
8:00 pm TRT
5:00 pm GMT
9:00 pm TRT
6:00 pm GMT
10:00 pm TRT
7:00 pm GMT
11:00 pm TRT
8:00 pm GMT

Scheduling between the two

Working hours overlap from 12:00 pm to 6:00 pm TRT, which is 9:00 am to 3:00 pm GMT. Anything inside that window falls in the normal working day at both ends.

Turkey Time (TRT) is used in all of Türkiye, on a permanent UTC+3 since 2016

Greenwich Mean Time (GMT) is used in as a fixed UTC+0 offset. Note that the UK itself leaves GMT every summer — see British Time below.

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