London to Ar-rustaq: time difference
Ar-rustaq is 4 h ahead of London. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 23:44 11:44 PM Ar-rustaq 03:44 3:44 AM You –:–
23:44 11:44 PM
Greenwich Mean Time · UTC+0
☀️ 07:01 · 🌙 16:28
03:44 3:44 AM
Gulf Standard Time · UTC+4
☀️ 06:19 · 🌙 17:30
·
+4 h
Ar-rustaq is 4 h ahead of London.
When you, London and Ar-rustaq are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇴🇲 Ar-rustaq
4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇴🇲 Ar-rustaq |
|---|---|---|
| Local time | 23:44 | 03:44 |
| Local date | Thursday, November 5, 2026 | Friday, November 6, 2026 |
| Time zone | Greenwich Mean Time | Gulf Standard Time |
| UTC offset | UTC+0 | UTC+4 |
| Offset from London | — | +4 h |
| IANA zone | Europe/London | Asia/Muscat |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:01 | 06:19 |
| Sunset | 16:28 | 17:30 |
| Daylight | 9 h 27 min | 11 h 11 min |
| People on this clock | 8,908,083 | 120,000 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Ar-rustaq: common questions
How many hours ahead of London is Ar-rustaq?
The clocks in Ar-rustaq are 4 hours ahead of those in London (UTC+4 and UTC+0).
What time is it in Ar-rustaq at the start of the working day in London?
The working day in London starts at 9:00 AM; in Ar-rustaq it is 1:00 PM at that moment.
What time is it in Ar-rustaq at the end of the working day in London?
The working day in London ends at 6:00 PM; in Ar-rustaq it is 10:00 PM at that moment.
Is there a time when both London and Ar-rustaq are at work?
Yes: from 9:00 AM to 2:00 PM in London (1:00 PM to 6:00 PM in Ar-rustaq), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Ar-rustaq compared with London?
The new day starts in Ar-rustaq earlier: at 8:00 PM in London it is already midnight there. Until 4:00 AM in Ar-rustaq, London is still on the previous day.
Is the time difference between London and Ar-rustaq the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From March 28, 2027, Ar-rustaq will be 3 hours ahead of London.
