Time Zone Converter

JST to GMT Time Zone Converter

Convert JST to GMT with a live clock, current time difference, UTC offsets, and work-hour overlap. GMT is 8 hours behind JST.

From
Japan Time
Tokyo
--

To
GMT
London
--

When it is 7:30 AM in Japan Time, it is 11:30 PM in GMT.

Current gap GMT is 8 hours behind Japan Time.
UTC offsets now UTC +9 and UTC +1
Quick example 12:00 PM in JST = 4:00 AM in GMT
Shared work window 4:00 PM to 6:00 PM in JST

JST to GMT at a glance

GMT is 8 hours behind Japan Time. If someone gives you a time in Japan Time, move the clock by 8 hours to read it in GMT. A 9:00 AM start in Tokyo becomes 1:00 AM in London.

What Japan Time covers

Japan Time is used throughout Japan. Tokyo follows it year-round without daylight saving changes. It is helpful for manufacturing, gaming, and business coordination with Japan-based teams.

What GMT covers

GMT is commonly used as the United Kingdom time reference. In summer, the UK moves to British Summer Time. It is a familiar baseline for Europe, Africa, and global remote teams.

Quick answers

What is the time difference between JST and GMT?

GMT is 8 hours behind Japan Time.

What happens to a 3:00 PM meeting in JST?

It lands at 7:00 AM in GMT.

Does daylight saving time matter for JST to GMT?

Japan Time and GMT are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.