GMT to Tokyo Time Converter
JST is 9 hours ahead of GMT. 9:00 AM GMT = 6:00 PM JST.
JST is 9 hours ahead of GMT. To convert GMT to Tokyo Time, add 9 hours to the GMT time: 9:00 AM GMT = 6:00 PM JST.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. Tokyo Time (Tokyo time) is used in Tokyo, Japan.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
GMT to Tokyo Time time conversion table
GMT to Tokyo Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | Tokyo Time | Day |
|---|---|---|
| 12:00 AM GMT | 9:00 AM JST | — |
| 1:00 AM GMT | 10:00 AM JST | — |
| 2:00 AM GMT | 11:00 AM JST | — |
| 3:00 AM GMT | 12:00 PM JST | — |
| 4:00 AM GMT | 1:00 PM JST | — |
| 5:00 AM GMT | 2:00 PM JST | — |
| 6:00 AM GMT | 3:00 PM JST | — |
| 7:00 AM GMT | 4:00 PM JST | — |
| 8:00 AM GMT | 5:00 PM JST | — |
| 9:00 AM GMT | 6:00 PM JST | — |
| 10:00 AM GMT | 7:00 PM JST | — |
| 11:00 AM GMT | 8:00 PM JST | — |
| 12:00 PM GMT | 9:00 PM JST | — |
| 1:00 PM GMT | 10:00 PM JST | night |
| 2:00 PM GMT | 11:00 PM JST | night |
| 3:00 PM GMT | 12:00 AM JST | next day |
| 4:00 PM GMT | 1:00 AM JST | next day |
| 5:00 PM GMT | 2:00 AM JST | next day |
| 6:00 PM GMT | 3:00 AM JST | next day |
| 7:00 PM GMT | 4:00 AM JST | next day |
| 8:00 PM GMT | 5:00 AM JST | next day |
| 9:00 PM GMT | 6:00 AM JST | next day |
| 10:00 PM GMT | 7:00 AM JST | next day |
| 11:00 PM GMT | 8:00 AM JST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to Tokyo Time
Add 9 hours to the GMT time to get Tokyo Time.
Example: 9:00 AM GMT = 6:00 PM JST.
Across midnight: 10:00 PM GMT = 7:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between GMT and Tokyo Time
The time difference between GMT and Tokyo Time is 9 hours all year – JST is ahead of GMT.
GMT and Tokyo Time during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- Tokyo Time does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between GMT and Tokyo Time
GMT and Tokyo Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
GMT to Tokyo Time FAQ
What is the time difference between GMT and Tokyo Time?
JST is 9 hours ahead of GMT all year. 9:00 AM GMT = 6:00 PM JST.
What is 9 AM GMT in Tokyo Time?
9:00 AM GMT is 6:00 PM JST.
What is 12 PM (noon) GMT in Tokyo Time?
12:00 PM GMT is 9:00 PM JST.
Is Tokyo Time ahead of or behind GMT?
JST is 9 hours ahead of GMT, so it is later in Tokyo Time than in GMT.
Does GMT change for daylight saving time?
No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.
Does Tokyo Time change for daylight saving time?
No. Tokyo Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between GMT and Tokyo Time?
GMT and Tokyo Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
Related conversions
Convert Tokyo Time to GMT
Convert GMT to other time zones
Convert other time zones to Tokyo Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.