GMT to TMT Time Converter

Convert Greenwich Mean Time (GMT) to Turkmenistan Time (TMT). Both time zones are shown live below; current offset between them is 4 hours ahead.

London · Greenwich Mean Time
10:10:24
Friday, May 22, 2026
GMT+1 · UTC+01:00
Ashgabat · Turkmenistan Time
14:10:24
Friday, May 22, 2026
GMT+5 · UTC+05:00

Convert a specific time

From: GMT (London)
To: TMT (Ashgabat)
--:--

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
TMT (Turkmenistan Time)
Observes DST
No

Heads up: GMT observes DST while TMT does not. The 4-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can GMT and TMT 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
TMT
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.
4 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–12:00 GMT (13:00–16:00 TMT).

Hour-by-hour GMT to TMT conversion table

GMT time (London)TMT time (Ashgabat)Status
00:00 Fri04:00 FriOff-hours both sides
01:00 Fri05:00 FriOff-hours both sides
02:00 Fri06:00 FriOff-hours both sides
03:00 Fri07:00 FriOff-hours both sides
04:00 Fri08:00 FriOff-hours both sides
05:00 Fri09:00 FriTMT working
06:00 Fri10:00 FriTMT working
07:00 Fri11:00 FriTMT working
08:00 Fri12:00 FriTMT working
09:00 Fri13:00 FriBoth at work
10:00 Fri14:00 FriBoth at work
11:00 Fri15:00 FriBoth at work
12:00 Fri16:00 FriBoth at work
13:00 Fri17:00 FriGMT working
14:00 Fri18:00 FriGMT working
15:00 Fri19:00 FriGMT working
16:00 Fri20:00 FriGMT working
17:00 Fri21:00 FriOff-hours both sides
18:00 Fri22:00 FriOff-hours both sides
19:00 Fri23:00 FriOff-hours both sides
20:00 Fri00:00 SatOff-hours both sides
21:00 Fri01:00 SatOff-hours both sides
22:00 Fri02:00 SatOff-hours both sides
23:00 Fri03:00 SatOff-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
Turkmenistan Time (TMT)
IANA identifier
Asia/Ashgabat
Current UTC offset
UTC+05:00
Current abbreviation
GMT+5
Major cities in this zone
Ashgabat

Sun today in London and Ashgabat

London
Sunrise
05:00
Sunset
20:56
Solar noon
12:58
Daylight
15h 55m

Related converters

TMT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to TMTPST to TMTUTC to TMTCET to TMTIST to TMT
Looking for local time? See time in London or time in Ashgabat.

Frequently asked questions

What is the time difference between GMT and TMT right now?+
TMT (Turkmenistan Time) is currently 4 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 TMT observe daylight saving time?+
GMT: observes daylight saving time. TMT: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and TMT?+
The strongest overlap is 09:00–12:00 GMT (13:00–16:00 TMT), giving 4 hours when both sides are within standard 9am-5pm working hours.
What time is it in Ashgabat when it is 12:00 noon in London?+
When it is 12:00 Fri in London (GMT), it is 16:00 Fri in Ashgabat (TMT).
Which IANA time zone identifiers are used for GMT and TMT?+
GMT maps to "Europe/London" in the IANA database. TMT maps to "Asia/Ashgabat". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Ashgabat?+
Whether London (GMT) is ahead of or behind Ashgabat (TMT) depends on the current UTC offsets. Right now TMT is 4 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 TMT?+
GMT is UTC+01:00 (GMT+1) and TMT is UTC+05:00 (GMT+5). 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 TMT?+
Yes. There are 4 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–12:00 GMT.