Quick answer
9 AM GMT is 6 PM in Tokyo (JST, UTC+9). Japan Standard Time does not observe daylight saving, so this conversion is constant throughout the year.
How to use this time conversion
Tokyo is 9 hours ahead of GMT year-round. A 9 AM London start reaches Tokyo at 6 PM - late afternoon in Japan. This is one of the better end-of-day London slots for reaching Tokyo teams before they finish for the day.
What is 9 AM GMT in Tokyo?
9 AM GMT is 6 PM JST in Tokyo. Japan does not observe daylight saving, so this is always the same. During UK summer (BST), 9 AM BST is 5 PM Tokyo.
Why can the answer change?
The answer can change when one location observes daylight saving time and the other does not, or when they switch clocks on different dates.
What London time best reaches Tokyo during business hours?
To catch Tokyo during core hours (9 AM-5 PM JST), aim for midnight to 8 AM GMT. For end-of-day Tokyo meetings, 9 AM GMT (6 PM Tokyo) is a practical option. Use the main tool to compare full schedules.
Can I compare this with more people?
Yes. Use the main Meeting Time Finder to add every participant and find the shared working-hours overlap.
Related timezone pages
london tokyo · new york tokyo · 9am gmt in dubai · 10am gmt in singapore