KOST to GMT Time Converter

Convert Kosrae Time (KOST) to Greenwich Mean Time (GMT). Both time zones are shown live below; current offset between them is 10 hours behind.

Tofol · Kosrae Time
19:11:12
Wednesday, May 13, 2026
GMT+11 · UTC+11:00
London · Greenwich Mean Time
09:11:12
Wednesday, May 13, 2026
GMT+1 · UTC+01:00

Convert a specific time

From: KOST (Tofol)
To: GMT (London)
--:--

Daylight Saving status right now

KOST (Kosrae Time)
Observes DST
No
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

Heads up: GMT observes DST while KOST does not. The 10-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can KOST and GMT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
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18
19
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21
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23
KOST
GMT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Tofol (KOST). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 18:00–18:00 KOST (08:00–08:00 GMT).

Hour-by-hour KOST to GMT conversion table

KOST time (Tofol)GMT time (London)Status
00:00 Wed14:00 TueGMT working
01:00 Wed15:00 TueGMT working
02:00 Wed16:00 TueGMT working
03:00 Wed17:00 TueOff-hours both sides
04:00 Wed18:00 TueOff-hours both sides
05:00 Wed19:00 TueOff-hours both sides
06:00 Wed20:00 TueOff-hours both sides
07:00 Wed21:00 TueOff-hours both sides
08:00 Wed22:00 TueOff-hours both sides
09:00 Wed23:00 TueKOST working
10:00 Wed00:00 WedKOST working
11:00 Wed01:00 WedKOST working
12:00 Wed02:00 WedKOST working
13:00 Wed03:00 WedKOST working
14:00 Wed04:00 WedKOST working
15:00 Wed05:00 WedKOST working
16:00 Wed06:00 WedKOST working
17:00 Wed07:00 WedOff-hours both sides
18:00 Wed08:00 WedOff-hours both sides
19:00 Wed09:00 WedGMT working
20:00 Wed10:00 WedGMT working
21:00 Wed11:00 WedGMT working
22:00 Wed12:00 WedGMT working
23:00 Wed13:00 WedGMT working

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

Kosrae Time (KOST)
IANA identifier
Pacific/Kosrae
Current UTC offset
UTC+11:00
Current abbreviation
GMT+11
Major cities in this zone
Tofol
Greenwich Mean Time (GMT)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham

Sun today in Tofol and London

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

Related converters

GMT to KOST (reverse)KOST to ESTKOST to PSTKOST to UTCKOST to CETKOST to ISTEST to GMTPST to GMTUTC to GMTCET to GMTIST to GMT
Looking for local time? See time in Tofol or time in London.

Frequently asked questions

What is the time difference between KOST and GMT right now?+
GMT (Greenwich Mean Time) is currently 10 hours behind KOST (Kosrae Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does KOST or GMT observe daylight saving time?+
KOST: does not observe daylight saving time. GMT: observes daylight saving time.
When is the best time to schedule a meeting between KOST and GMT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 18:00–18:00 KOST (08:00–08:00 GMT).
What time is it in London when it is 12:00 noon in Tofol?+
When it is 12:00 Wed in Tofol (KOST), it is 02:00 Wed in London (GMT).
Which IANA time zone identifiers are used for KOST and GMT?+
KOST maps to "Pacific/Kosrae" in the IANA database. GMT maps to "Europe/London". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Tofol ahead of or behind London?+
Whether Tofol (KOST) is ahead of or behind London (GMT) depends on the current UTC offsets. Right now GMT is 10 hours behind KOST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for KOST and GMT?+
KOST is UTC+11:00 (GMT+11) and GMT is UTC+01:00 (GMT+1). 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 KOST and GMT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between KOST and GMT is 18:00–18:00 KOST.