JST to GMT Time Converter

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Japan Standard Time → Greenwich Mean Time

JST

10:40:48

Wednesday, May 13

UTC+9

Night

GMT

02:40:48

Wednesday, May 13

UTC+1

Evening

GMT is 8 hours behind JST. When it's 5 PM in JST, it's only 9 AM in GMT.

Quick Time Converter

GMT is 8 hours behind JST

1 AM

JST

9 AM

=

GMT

1 AM

Best Meeting Window

Both teams are in business hours from 2:00 AM JST to 2:00 AM JST (1 hour of overlap).

24-Hour Conversion — JST to GMT

Click any row to see that hour's full page · Green rows = business hours overlap

JST Details

Full Name
Japan Standard Time
UTC Offset
UTC+9
DST
No DST
Region
East Asia

GMT Details

Full Name
Greenwich Mean Time
UTC Offset
UTC+0
DST
Observes DST
Region
Europe/Africa