GMT to JST Converter

JST is 9 hours ahead of GMT all year.

Time difference between GMT and JST

JST is 9 hours ahead of GMT all year.

Neither side uses daylight saving time, so the difference never changes.

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 12 PM GMT (4 PM – 9 PM JST).

What time is it in JST when it's 9 AM in GMT?

6 PM. JST is 9 hours ahead of GMT.

How many hours is JST ahead of GMT?

9 hours, all year round. Neither side uses daylight saving time, so the difference never changes.

Does GMT use daylight saving time?

No. Greenwich Mean Time stays at UTC+0 all year.

Does JST use daylight saving time?

No. Japan Standard Time stays at UTC+9 all year.

When is the best time to schedule a meeting between GMT and JST?

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 12 PM GMT (4 PM – 9 PM JST).