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