Tokyo to Sumy time converter
Sumy is 6 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 3:00 AM in Sumy.
8:26 PM in Tokyo, Monday, October 19, 2026
Tokyo to Sumy conversion table
Every hour of today in Tokyo and the matching time in Sumy. Light rows are typical working hours (9:00–18:00).
| Tokyo | Sumy |
|---|---|
| 12:00 AM | 6:00 PM−1 day |
| 1:00 AM | 7:00 PM−1 day |
| 2:00 AM | 8:00 PM−1 day |
| 3:00 AM | 9:00 PM−1 day |
| 4:00 AM | 10:00 PM−1 day |
| 5:00 AM | 11:00 PM−1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to call or meet
Both sides are at work from 3:00 PM – 6:00 PM in Tokyo (9:00 AM – 12:00 PM in Sumy).
Daylight saving time and the difference
The difference changes during the year because Tokyo and Sumy switch clocks on different dates:
- Oct 19, 2026 – Oct 25, 2026: -6h
- Oct 25, 2026 – Mar 28, 2027: -7h
- Mar 28, 2027 – Oct 19, 2027: -6h
Distance
Tokyo and Sumy are 7,924 km (4,924 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Tokyo and Sumy?
Sumy is 6 hours behind Tokyo.
What time is it in Sumy when it is 9 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 3:00 AM in Sumy.
When is the best time to call Sumy from Tokyo?
Both sides are at work from 3:00 PM – 6:00 PM in Tokyo (9:00 AM – 12:00 PM in Sumy).
Does the time difference between Tokyo and Sumy change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.