GMT to JST
Convert Greenwich Mean Time (GMT) to Japan Standard Time (JST), live. JST is normally 9 hours ahead of GMT. Pick any time below, or open the full world clock map.
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GMT vs JST
GMT (Greenwich Mean Time) runs at UTC+0 and JST (Japan Standard Time) at UTC+9. JST is normally 9 hours ahead of GMT.
GMT stays at UTC+0 all year round — it does not observe daylight saving time. JST stays at UTC+9 all year round — it does not observe daylight saving time.
Looking for the reverse conversion? See JST to GMT. You can also browse every offset on the interactive time zone map or line up several zones at once with the meeting planner.