Time difference
London to Oslo Time Difference
Oslo is 1 hour ahead of London — when it's 12:00 PM in London, it's 1:00 PM in Oslo. (London (Europe/London, BST); Oslo (Europe/Oslo, CEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Oslo is 1 hour ahead of London. The best window for a call is 9 AM–4 PM in London, which is 10 AM–5 PM in Oslo — a 7-hour overlap inside 9 AM–5 PM on both sides. London and Oslo change their clocks together (or don't change at all), so the time difference between them stays the same all year.
- When it's 9:00 AM in London, it's 10:00 AM in Oslo.
- When it's 9:00 AM in Oslo, it's 8:00 AM in London.
Oslo is currently 1 hour ahead of London.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in London and Oslo overlap for 7 hours. 9 AM–4 PM in London is 10 AM–5 PM in Oslo. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| London | Oslo |
|---|---|
| 12 AM | 1:00 AM |
| 1 AM | 2:00 AM |
| 2 AM | 3:00 AM |
| 3 AM | 4:00 AM |
| 4 AM | 5:00 AM |
| 5 AM | 6:00 AM |
| 6 AM | 7:00 AM |
| 7 AM | 8:00 AM |
| 8 AM | 9:00 AM |
| 9 AM | 10:00 AM |
| 10 AM | 11:00 AM |
| 11 AM | 12:00 PM |
| 12 PM | 1:00 PM |
| 1 PM | 2:00 PM |
| 2 PM | 3:00 PM |
| 3 PM | 4:00 PM |
| 4 PM | 5:00 PM |
| 5 PM | 6:00 PM |
| 6 PM | 7:00 PM |
| 7 PM | 8:00 PM |
| 8 PM | 9:00 PM |
| 9 PM | 10:00 PM |
| 10 PM | 11:00 PM |
| 11 PM | 12:00 AM (next day) |
Daylight saving
On October 25, 2026, both London and Oslo shift for daylight saving. After that, Oslo will be 1 hour ahead of London (currently 1 hour ahead of London). The converter and the tables above always reflect the correct offset for the date you pick.
- London is currently observing daylight saving time.
- Oslo is currently observing daylight saving time.
Frequently asked questions
- Is Oslo ahead of or behind London?
- Oslo is 1 hour ahead of London.
- How many hours ahead of London is Oslo?
- Oslo is 1 hour ahead of London.
- What time is 9 AM in London in Oslo?
- 9:00 AM in London is 10:00 AM in Oslo.
- What time is noon in London in Oslo?
- 12:00 PM in London is 1:00 PM in Oslo.
- What time is 5 PM in London in Oslo?
- 5:00 PM in London is 6:00 PM in Oslo. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in London in Oslo?
- 3:00 PM in London is 4:00 PM in Oslo.
- Is London currently observing daylight saving time?
- London is currently observing daylight saving time (summer time).
- Is Oslo currently observing daylight saving time?
- Oslo is currently observing daylight saving time (summer time).
- Do London and Oslo observe daylight saving?
- On October 25, 2026, both London and Oslo shift for daylight saving. After that, Oslo will be 1 hour ahead of London (currently 1 hour ahead of London). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Oslo from London?
- Aim for 9 AM–4 PM in London, which is 10 AM–5 PM in Oslo.
- When is the best time to call London from Oslo?
- Aim for 10 AM–5 PM in Oslo, which is 9 AM–4 PM in London.
- London (BST) to Oslo (CEST) — how do I convert quickly?
- Add 1 hour to London local time to get Oslo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
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