Lisbon to Ar-rustaq: time difference
Ar-rustaq is 3 h ahead of Lisbon. 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.
Lisbon 17:06 5:06 PM Ar-rustaq 20:06 8:06 PM You –:–
17:06 5:06 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
20:06 8:06 PM
Gulf Standard Time · UTC+4
☀️ 06:09 · 🌙 17:44
·
+3 h
Ar-rustaq is 3 h ahead of Lisbon.
When you, Lisbon 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
🇵🇹 Lisbon
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
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇴🇲 Ar-rustaq |
|---|---|---|
| Local time | 17:06 | 20:06 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Western European Summer Time | Gulf Standard Time |
| UTC offset | UTC+1 | UTC+4 |
| Offset from Lisbon | — | +3 h |
| IANA zone | Europe/Lisbon | Asia/Muscat |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:48 | 06:09 |
| Sunset | 18:57 | 17:44 |
| Daylight | 11 h 9 min | 11 h 35 min |
| People on this clock | 545,923 | 120,000 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Ar-rustaq: common questions
How many hours ahead of Lisbon is Ar-rustaq?
The clocks in Ar-rustaq are 3 hours ahead of those in Lisbon (UTC+4 and UTC+1).
What time is it in Ar-rustaq at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Ar-rustaq it is 12:00 PM at that moment.
What time is it in Ar-rustaq at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Ar-rustaq it is 9:00 PM at that moment.
When is a good time to call Ar-rustaq from Lisbon?
Between 9:00 AM and 3:00 PM in Lisbon – that is 12:00 PM to 6:00 PM in Ar-rustaq – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Ar-rustaq?
From 9:00 PM in Lisbon it is already the next day in Ar-rustaq. The other way round, until 3:00 AM in Ar-rustaq it is still the previous day in Lisbon.
Does the time gap between Lisbon and Ar-rustaq change during the year?
Yes – daylight saving time is used in Lisbon but not in Ar-rustaq. From October 25, 2026, Ar-rustaq will be 4 hours ahead of Lisbon.
