GMT to IRKT Time Converter

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

London · Greenwich Mean Time
15:35:30
Wednesday, May 13, 2026
GMT+1 · UTC+01:00
Irkutsk · Irkutsk Time
22:35:30
Wednesday, May 13, 2026
GMT+8 · UTC+08:00

Convert a specific time

From: GMT (London)
To: IRKT (Irkutsk)
--:--

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+01:00UTC+00:00
IRKT (Irkutsk Time)
Observes DST
No

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

When can GMT and IRKT 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
IRKT
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: 09:0009:00 GMT (16:0016:00 IRKT).

Hour-by-hour GMT to IRKT conversion table

GMT time (London)IRKT time (Irkutsk)Status
00:00 Wed07:00 WedOff-hours both sides
01:00 Wed08:00 WedOff-hours both sides
02:00 Wed09:00 WedIRKT working
03:00 Wed10:00 WedIRKT working
04:00 Wed11:00 WedIRKT working
05:00 Wed12:00 WedIRKT working
06:00 Wed13:00 WedIRKT working
07:00 Wed14:00 WedIRKT working
08:00 Wed15:00 WedIRKT working
09:00 Wed16:00 WedBoth at work
10:00 Wed17:00 WedGMT working
11:00 Wed18:00 WedGMT working
12:00 Wed19:00 WedGMT working
13:00 Wed20:00 WedGMT working
14:00 Wed21:00 WedGMT working
15:00 Wed22:00 WedGMT working
16:00 Wed23:00 WedGMT working
17:00 Wed00:00 ThuOff-hours both sides
18:00 Wed01:00 ThuOff-hours both sides
19:00 Wed02:00 ThuOff-hours both sides
20:00 Wed03:00 ThuOff-hours both sides
21:00 Wed04:00 ThuOff-hours both sides
22:00 Wed05:00 ThuOff-hours both sides
23:00 Wed06:00 ThuOff-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
Irkutsk Time (IRKT)
IANA identifier
Asia/Irkutsk
Current UTC offset
UTC+08:00
Current abbreviation
GMT+8
Major cities in this zone
Irkutsk

Sun today in London and Irkutsk

London
Sunrise
05:13
Sunset
20:43
Solar noon
12:58
Daylight
15h 29m

Related converters

Looking for local time? See time in London or time in Irkutsk.

Frequently asked questions

What is the time difference between GMT and IRKT right now?+
IRKT (Irkutsk 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 IRKT observe daylight saving time?+
GMT: observes daylight saving time. IRKT: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and IRKT?+
The strongest overlap is 09:00–09:00 GMT (16:00–16:00 IRKT), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Irkutsk when it is 12:00 noon in London?+
When it is 12:00 Wed in London (GMT), it is 19:00 Wed in Irkutsk (IRKT).
Which IANA time zone identifiers are used for GMT and IRKT?+
GMT maps to "Europe/London" in the IANA database. IRKT maps to "Asia/Irkutsk". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Irkutsk?+
Whether London (GMT) is ahead of or behind Irkutsk (IRKT) depends on the current UTC offsets. Right now IRKT 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 IRKT?+
GMT is UTC+01:00 (GMT+1) and IRKT 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 IRKT?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–09:00 GMT.