JST to GMT 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

JST --

GMT -- --

Add-on timezones (max 5)

Drag, release, and the selected conversion stays locked.

Swap to GMT to JST

Live Converter Summary

Summary for JST to GMT Converter

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

JST Time06:58:42 PM

GMT Time09:58:42 AM

Time DifferenceGMT is 9h behind JST right now

TimezonesAsia/Tokyo to UTC

Popular Cities in JST & GMT Timezone

Useful city pages connected with both converter timezones.

First 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

Second Timezone - GMT

GMT Cities -

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

Convert JST to Other Timezones

Convert GMT to Other Timezones

Embed JST to GMT Converter

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

Preview

About JST to GMT Conversion

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

JST is resolved to Asia/Tokyo, while GMT is resolved to UTC. 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.

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