Sumy time: UTC+2 and UTC+3
The next clock change in Sumy is 1 hour back on 25 October 2026 at 04:00, from UTC+3 to UTC+2.
Sumy on 15 October 2026: sunrise 07:03, sunset 17:48, day length 10 h 45 min.
Place| Fact | Value |
|---|
| Time zone | Europe/Kyiv |
| Offset | UTC+3 |
| Region | Sumy |
| Latitude | 50.9174 |
| Longitude | 34.7991 |
| Population | 256,474 |
The next clock change in Sumy is 1 hour back on 25 October 2026 at 04:00, from UTC+3 to UTC+2.
Sun this year| Fact | Value |
|---|
| Longest day | 21 June 2026, 16 h 32 min |
| Shortest day | 21 December 2026, 7 h 56 min |
| Earliest sunrise | 04:26 on 17 June 2026 |
| Latest sunset | 20:59 on 25 June 2026 |
| Golden hour on the longest day | 21 June morning 04:26 to 05:19, evening 20:05 to 20:58 |
Next public holidays| Date | Holiday |
|---|
| 25 December 2026 | Різдво Христове |
| 1 January 2027 | Новий Рік |
| 2 January 2027 | Новий Рік |
Working hours overlap| City | 09:00 to 17:00 |
|---|
| London | Sumy 11:00 to 17:00; London 09:00 to 15:00 |
| New York | Sumy 16:00 to 17:00; New York 09:00 to 10:00 |