GMT to GYT Time Converter

Convert Greenwich Mean Time (GMT) to Guyana Time (GYT). Both time zones are shown live below; current offset between them is 5 hours behind.

London · Greenwich Mean Time
23:24:40
Monday, May 18, 2026
GMT+1 · UTC+01:00
Georgetown · Guyana Time
18:24:40
Monday, May 18, 2026
GMT-4 · UTC-04:00

Convert a specific time

From: GMT (London)
To: GYT (Georgetown)
--:--

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
GYT (Guyana Time)
Observes DST
No

Heads up: GMT observes DST while GYT does not. The 5-hour difference shown above will shift by one hour when GMT starts or ends DST.

When can GMT and GYT 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
GYT
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.
3 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 14:00–16:00 GMT (09:00–11:00 GYT).

Hour-by-hour GMT to GYT conversion table

GMT time (London)GYT time (Georgetown)Status
00:00 Mon19:00 SunOff-hours both sides
01:00 Mon20:00 SunOff-hours both sides
02:00 Mon21:00 SunOff-hours both sides
03:00 Mon22:00 SunOff-hours both sides
04:00 Mon23:00 SunOff-hours both sides
05:00 Mon00:00 MonOff-hours both sides
06:00 Mon01:00 MonOff-hours both sides
07:00 Mon02:00 MonOff-hours both sides
08:00 Mon03:00 MonOff-hours both sides
09:00 Mon04:00 MonGMT working
10:00 Mon05:00 MonGMT working
11:00 Mon06:00 MonGMT working
12:00 Mon07:00 MonGMT working
13:00 Mon08:00 MonGMT working
14:00 Mon09:00 MonBoth at work
15:00 Mon10:00 MonBoth at work
16:00 Mon11:00 MonBoth at work
17:00 Mon12:00 MonGYT working
18:00 Mon13:00 MonGYT working
19:00 Mon14:00 MonGYT working
20:00 Mon15:00 MonGYT working
21:00 Mon16:00 MonGYT working
22:00 Mon17:00 MonOff-hours both sides
23:00 Mon18:00 MonOff-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
Guyana Time (GYT)
IANA identifier
America/Guyana
Current UTC offset
UTC-04:00
Current abbreviation
GMT-4
Major cities in this zone
Georgetown

Sun today in London and Georgetown

London
Sunrise
05:06
Sunset
20:50
Solar noon
12:58
Daylight
15h 44m

Related converters

GYT to GMT (reverse)GMT to ESTGMT to PSTGMT to UTCGMT to CETGMT to ISTEST to GYTPST to GYTUTC to GYTCET to GYTIST to GYT
Looking for local time? See time in London or time in Georgetown.

Frequently asked questions

What is the time difference between GMT and GYT right now?+
GYT (Guyana Time) is currently 5 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 GYT observe daylight saving time?+
GMT: observes daylight saving time. GYT: does not observe daylight saving time.
When is the best time to schedule a meeting between GMT and GYT?+
The strongest overlap is 14:00–16:00 GMT (09:00–11:00 GYT), giving 3 hours when both sides are within standard 9am-5pm working hours.
What time is it in Georgetown when it is 12:00 noon in London?+
When it is 12:00 Mon in London (GMT), it is 07:00 Mon in Georgetown (GYT).
Which IANA time zone identifiers are used for GMT and GYT?+
GMT maps to "Europe/London" in the IANA database. GYT maps to "America/Guyana". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is London ahead of or behind Georgetown?+
Whether London (GMT) is ahead of or behind Georgetown (GYT) depends on the current UTC offsets. Right now GYT is 5 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 GYT?+
GMT is UTC+01:00 (GMT+1) and GYT is UTC-04:00 (GMT-4). 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 GYT?+
Yes. There are 3 hours of overlap during standard 9am-5pm working hours, with the strongest window at 14:00–16:00 GMT.