🇵🇹 Rio de Mouro, Portugal
13
- Western European Summer Time
- UTC+1
- Daytime
☀️ 07:51 · 🌙 18:55 · 11 h 4 min
Rio de Mouro to Istanbul: time difference
Istanbul is 2 h ahead of Rio de Mouro. 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.
Rio de Mouro 15:21 3:21 PM Istanbul 17:21 5:21 PM You –:–
15:21 3:21 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:55
17:21 5:21 PM
GMT+03:00 · UTC+3
☀️ 07:20 · 🌙 18:19
·
+2 h
Istanbul is 2 h ahead of Rio de Mouro.
When you, Rio de Mouro and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Rio de Mouro
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
🇹🇷 Istanbul
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Rio de Mouro | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 15:21 | 17:21 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | GMT+03:00 |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Rio de Mouro | — | +2 h |
| IANA zone | Europe/Lisbon | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:51 | 07:20 |
| Sunset | 18:55 | 18:19 |
| Daylight | 11 h 4 min | 10 h 59 min |
| People on this clock | 49,493 | 15,701,602 |
Compare Rio de Mouro with another city
More comparisons with Rio de Mouro: the time zones next to it and the far side of the clock.
Big time differences
Rio de Mouro and Istanbul: common questions
How far ahead of Rio de Mouro is Istanbul?
Istanbul is 2 hours ahead of Rio de Mouro: UTC+3 against UTC+1.
If it is 9:00 AM in Rio de Mouro, what time is it in Istanbul?
At 9:00 AM in Rio de Mouro, clocks in Istanbul show 11:00 AM.
What time is it in Istanbul at the end of the working day in Rio de Mouro?
The working day in Rio de Mouro ends at 6:00 PM; in Istanbul it is 8:00 PM at that moment.
Is there a time when both Rio de Mouro and Istanbul are at work?
Yes: from 9:00 AM to 4:00 PM in Rio de Mouro (11:00 AM to 6:00 PM in Istanbul), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Istanbul compared with Rio de Mouro?
The new day starts in Istanbul earlier: at 10:00 PM in Rio de Mouro it is already midnight there. Until 2:00 AM in Istanbul, Rio de Mouro is still on the previous day.
Does the time difference between Rio de Mouro and Istanbul change?
Yes. The clocks change only in Rio de Mouro. From October 25, 2026, Istanbul will be 3 hours ahead of Rio de Mouro.
