GMT to JMT Time Converter

Convert Greenwich Mean Time (GMT) to Jamaica Time (JMT). Both time zones are shown live below; current offset between them is 6 hours behind.

London · Greenwich Mean Time
06:17:59
Tuesday, May 12, 2026
GMT+1 · UTC+01:00
Kingston · Jamaica Time
00:17:59
Tuesday, May 12, 2026
EST · UTC-05:00

Convert a specific time

From: GMT (London)
To: JMT (Kingston)
--:--

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
JMT (Jamaica Time)
Observes DST
No

Heads up: GMT observes DST while JMT does not. The 6-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can GMT and JMT 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
JMT
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.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 15:00–16:00 GMT (09:00–10:00 JMT).

Hour-by-hour GMT to JMT conversion table

GMT time (London)JMT time (Kingston)Status
00:00 Tue18:00 MonOff-hours both sides
01:00 Tue19:00 MonOff-hours both sides
02:00 Tue20:00 MonOff-hours both sides
03:00 Tue21:00 MonOff-hours both sides
04:00 Tue22:00 MonOff-hours both sides
05:00 Tue23:00 MonOff-hours both sides
06:00 Tue00:00 TueOff-hours both sides
07:00 Tue01:00 TueOff-hours both sides
08:00 Tue02:00 TueOff-hours both sides
09:00 Tue03:00 TueGMT working
10:00 Tue04:00 TueGMT working
11:00 Tue05:00 TueGMT working
12:00 Tue06:00 TueGMT working
13:00 Tue07:00 TueGMT working
14:00 Tue08:00 TueGMT working
15:00 Tue09:00 TueBoth at work
16:00 Tue10:00 TueBoth at work
17:00 Tue11:00 TueJMT working
18:00 Tue12:00 TueJMT working
19:00 Tue13:00 TueJMT working
20:00 Tue14:00 TueJMT working
21:00 Tue15:00 TueJMT working
22:00 Tue16:00 TueJMT working
23:00 Tue17:00 TueOff-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
Jamaica Time (JMT)
IANA identifier
America/Jamaica
Current UTC offset
UTC-05:00
Current abbreviation
EST
Major cities in this zone
Kingston

Sun today in London and Kingston

London
Sunrise
05:14
Sunset
20:41
Solar noon
12:58
Daylight
15h 26m

Related converters

JMT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to JMTPST to JMTUTC to JMTCET to JMTIST to JMT
Looking for local time? See time in London or time in Kingston.

Frequently asked questions

What is the time difference between GMT and JMT right now?+
JMT (Jamaica Time) is currently 6 hours behind 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 JMT observe daylight saving time?+
GMT: observes daylight saving time. JMT: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and JMT?+
The strongest overlap is 15:00–16:00 GMT (09:00–10:00 JMT), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Kingston when it is 12:00 noon in London?+
When it is 12:00 Tue in London (GMT), it is 06:00 Tue in Kingston (JMT).
Which IANA time zone identifiers are used for GMT and JMT?+
GMT maps to "Europe/London" in the IANA database. JMT maps to "America/Jamaica". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Kingston?+
Whether London (GMT) is ahead of or behind Kingston (JMT) depends on the current UTC offsets. Right now JMT is 6 hours behind GMT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for GMT and JMT?+
GMT is UTC+01:00 (GMT+1) and JMT is UTC-05:00 (EST). 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 JMT?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 15:00–16:00 GMT.