Observatory log
London and As Sidr, compared
- 01Difference now
As Sidr is 1 hour ahead of London.
London: BST (UTC+1) · As Sidr: EET (UTC+2)
Next changeFrom 25 October 2026: As Sidr is 2 hours ahead of London.
- 02Through 2026–2027
- 1 January 2026 – 29 March 2026+2 h
- 29 March 2026 – 25 October 2026+1 h
- 25 October 2026 – 28 March 2027+2 h
- 28 March 2027 – 31 October 2027+1 h
- 31 October 2027 – 31 December 2027+2 h
Difference of As Sidr from London. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Tue–Thu: 09:00–16:00 in London = 10:00–17:00 in As Sidr · 7 h
- Mon: 09:00–15:00 in London = 11:00–17:00 in As Sidr · 6 h
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–16:00 in London = 10:00–17:00 in As Sidr
Inside both working days (Tue–Thu).
- 05Weekend
London: Saturday and Sunday
As Sidr: Friday and Saturday
24 hours
A day in London, in As Sidr
| London | As Sidr | Working hours, evening, night or weekend in each place |
|---|---|---|
| 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 | 00:00Tomorrow |
Working hoursEarly or eveningNightWeekend
Plan a meeting: London and As Sidr
More time differences with London
Questions
Asked about London and As Sidr
What is the time difference between London and As Sidr?
As Sidr is 1 hour ahead of London. This holds until 25 October 2026; then As Sidr is 2 hours ahead of London.
What is the best time for a call between London and As Sidr?
Inside both working days: Tue–Thu: 09:00–16:00 in London = 10:00–17:00 in As Sidr · 7 h.
When does the time difference between London and As Sidr change?
In the next 12 months it changes on: 25 October 2026 (+2 h); 28 March 2027 (+1 h).