GMT to JST Converter

Move Cursor to Convert

Drag across the timeline and release wherever you want. The selected conversion stays locked.

Midnight

3 AM

Morning

9 AM

Noon

3 PM

Evening

9 PM

GMT --

JST -- --

Add-on timezones (max 5)

Drag, release, and the selected conversion stays locked.

Swap to JST to GMT

Live Converter Summary

Summary for GMT to JST Converter

Convert UTC to Asia/Tokyo and check the live local times. JST is 9h ahead GMT right now, and this difference updates automatically during daylight saving time.

GMT Time09:57:49 AM

JST Time06:57:49 PM

Time DifferenceJST is 9h ahead GMT right now

TimezonesUTC to Asia/Tokyo

Popular Cities in GMT & JST Timezone

Useful city pages connected with both converter timezones.

First Timezone - GMT

GMT Cities -

London Accra Reykjavik Abidjan Dakar Bissau Freetown Monrovia Bamako Conakry Lome Nouakchott

Second Timezone - JST

JST Cities -

Tokyo Sakai Sapporo Itoman Kyoto Kobe Hiroshima Kasugai Yao Moriguchi Uji Toyonaka Kawasaki Obihiro Onomichi Otaru Maizuru Kitami Kurume Kushiro Iizuka Ichinomiya Nagoya Odawara

Convert GMT to Other Timezones

Convert JST to Other Timezones

Embed GMT to JST Converter

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<iframe src="/timezone-converters/gmt-to-jst/embed/" width="420" height="360" class="time-embed-frame" loading="lazy" title="GMT to JST converter"></iframe>

Preview

About GMT to JST Conversion

This converter helps users translate meeting times, publishing schedules, travel plans, and support shifts between GMT and JST.

GMT is resolved to UTC, while JST is resolved to Asia/Tokyo. The live clock above updates every second, and the custom converter lets you choose a specific date so daylight saving changes are handled by the browser timezone rules.

GMT to JST Conversion Table

Half-hour examples with 12-hour and 24-hour formats. Day rows are light and night rows are dark.

Conversion	Converted Time	Daypart
12 AM GMT	09:00 AM / 09:00 JST	Morning
12:30 AM GMT	09:30 AM / 09:30 JST	Morning
1 AM GMT	10:00 AM / 10:00 JST	Morning
1:30 AM GMT	10:30 AM / 10:30 JST	Morning
2 AM GMT	11:00 AM / 11:00 JST	Morning
2:30 AM GMT	11:30 AM / 11:30 JST	Morning
3 AM GMT	12:00 PM / 12:00 JST	Noon
3:30 AM GMT	12:30 PM / 12:30 JST	Noon
4 AM GMT	01:00 PM / 13:00 JST	Noon
4:30 AM GMT	01:30 PM / 13:30 JST	Noon
5 AM GMT	02:00 PM / 14:00 JST	Noon
5:30 AM GMT	02:30 PM / 14:30 JST	Noon
6 AM GMT	03:00 PM / 15:00 JST	Noon
6:30 AM GMT	03:30 PM / 15:30 JST	Noon
7 AM GMT	04:00 PM / 16:00 JST	Noon
7:30 AM GMT	04:30 PM / 16:30 JST	Noon
8 AM GMT	05:00 PM / 17:00 JST	Evening
8:30 AM GMT	05:30 PM / 17:30 JST	Evening
9 AM GMT	06:00 PM / 18:00 JST	Evening
9:30 AM GMT	06:30 PM / 18:30 JST	Evening
10 AM GMT	07:00 PM / 19:00 JST	Evening
10:30 AM GMT	07:30 PM / 19:30 JST	Evening
11 AM GMT	08:00 PM / 20:00 JST	Evening
11:30 AM GMT	08:30 PM / 20:30 JST	Evening
12 PM GMT	09:00 PM / 21:00 JST	Midnight
12:30 PM GMT	09:30 PM / 21:30 JST	Midnight
1 PM GMT	10:00 PM / 22:00 JST	Midnight
1:30 PM GMT	10:30 PM / 22:30 JST	Midnight
2 PM GMT	11:00 PM / 23:00 JST	Midnight
2:30 PM GMT	11:30 PM / 23:30 JST	Midnight
3 PM GMT	12:00 AM / 00:00 JST	Midnight
3:30 PM GMT	12:30 AM / 00:30 JST	Midnight
4 PM GMT	01:00 AM / 01:00 JST	Midnight
4:30 PM GMT	01:30 AM / 01:30 JST	Midnight
5 PM GMT	02:00 AM / 02:00 JST	Midnight
5:30 PM GMT	02:30 AM / 02:30 JST	Midnight
6 PM GMT	03:00 AM / 03:00 JST	Midnight
6:30 PM GMT	03:30 AM / 03:30 JST	Midnight
7 PM GMT	04:00 AM / 04:00 JST	Midnight
7:30 PM GMT	04:30 AM / 04:30 JST	Midnight
8 PM GMT	05:00 AM / 05:00 JST	Morning
8:30 PM GMT	05:30 AM / 05:30 JST	Morning
9 PM GMT	06:00 AM / 06:00 JST	Morning
9:30 PM GMT	06:30 AM / 06:30 JST	Morning
10 PM GMT	07:00 AM / 07:00 JST	Morning
10:30 PM GMT	07:30 AM / 07:30 JST	Morning
11 PM GMT	08:00 AM / 08:00 JST	Morning
11:30 PM GMT	08:30 AM / 08:30 JST	Morning