Time difference between Oslo and Helsinki
Helsinki is 1 hour ahead of Oslo
Right now
Oslo
18:38
CEST ·
UTC+2
Helsinki
19:38
EEST ·
UTC+3
Best time for a call between Oslo and Helsinki
Hours highlighted in green work for everyone on the list.
- 09:00 Oslo 10:00 Helsinki
- 10:00 Oslo 11:00 Helsinki
- 11:00 Oslo 12:00 Helsinki
Hour by hour: Oslo to Helsinki
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Oslo (reference) | Helsinki | |
|---|---|---|
| 00:00 | 01:00 | |
| 01:00 | 02:00 | |
| 02:00 | 03:00 | |
| 03:00 | 04:00 | |
| 04:00 | 05:00 | |
| 05:00 | 06:00 | |
| 06:00 | 07:00 | |
| 07:00 | 08:00 | |
| 08:00 | 09:00 | |
| ★ | 09:00 | 10:00 |
| ★ | 10:00 | 11:00 |
| ★ | 11:00 | 12:00 |
| 12:00 | 13:00 | |
| 13:00 | 14:00 | |
| 14:00 | 15:00 | |
| 15:00 | 16:00 | |
| 16:00 | 17:00 | |
| 17:00 | 18:00 | |
| 18:00 | 19:00 | |
| 19:00 | 20:00 | |
| 20:00 | 21:00 | |
| 21:00 | 22:00 | |
| 22:00 | 23:00 | |
| 23:00 | 00:00 (next day) |
Table built for August 26, 2026. The live values above update in your browser.
Daylight saving time
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.
Frequently asked questions
What is the time difference between Oslo and Helsinki?
Helsinki is 1 hour ahead of Oslo
What is the best time to call between Oslo and Helsinki?
The most convenient slot is 09:00 Oslo / 10:00 Helsinki. That keeps the call inside working hours in both cities.
Does the difference between Oslo and Helsinki change during the year?
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.