Yokohama 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 Yokohama Time to GMT, subtract 9 hours from the Yokohama Time time: 9:00 AM JST = 12:00 AM GMT.
Yokohama Time (Yokohama time) is used in Yokohama, 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).
Yokohama Time to GMT time conversion table
Yokohama Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Yokohama 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 Yokohama Time to GMT
Subtract 9 hours from the Yokohama 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 Yokohama Time and GMT
The time difference between Yokohama Time and GMT is 9 hours all year – GMT is behind JST.
Yokohama Time and GMT during daylight saving time
- Yokohama 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 Yokohama Time and GMT
Yokohama 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.
Yokohama Time to GMT FAQ
What is the time difference between Yokohama Time and GMT?
GMT is 9 hours behind JST all year. 9:00 AM JST = 12:00 AM GMT.
What is 9 AM Yokohama Time in GMT?
9:00 AM JST is 12:00 AM GMT.
What is 12 PM (noon) Yokohama Time in GMT?
12:00 PM JST is 3:00 AM GMT.
Is GMT ahead of or behind Yokohama Time?
GMT is 9 hours behind JST, so it is earlier in GMT than in Yokohama Time.
Does Yokohama Time change for daylight saving time?
No. Yokohama 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 Yokohama Time and GMT?
Yokohama 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 Yokohama Time
Convert Yokohama Time to other time zones
Convert other time zones to GMT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.