🇵🇹 Castelo Branco, Portugal
38
- Western European Summer Time
- UTC+1
- Daytime
☀️ 07:45 · 🌙 18:46 · 11 h 2 min
Castelo Branco to Istanbul: time difference
Istanbul is 2 h ahead of Castelo Branco. 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.
Castelo Branco 13:27 1:27 PM Istanbul 15:27 3:27 PM You –:–
13:27 1:27 PM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 18:46
15:27 3:27 PM
GMT+03:00 · UTC+3
☀️ 07:20 · 🌙 18:19
·
+2 h
Istanbul is 2 h ahead of Castelo Branco.
When you, Castelo Branco 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
🇵🇹 Castelo Branco
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 | 🇵🇹 Castelo Branco | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 13:27 | 15:27 |
| 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 Castelo Branco | — | +2 h |
| IANA zone | Europe/Lisbon | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:45 | 07:20 |
| Sunset | 18:46 | 18:19 |
| Daylight | 11 h 2 min | 10 h 59 min |
| People on this clock | 52,291 | 15,701,602 |
Compare Castelo Branco with another city
More comparisons with Castelo Branco: the time zones next to it and the far side of the clock.
Big time differences
Castelo Branco and Istanbul: common questions
How many hours ahead of Castelo Branco is Istanbul?
The clocks in Istanbul are 2 hours ahead of those in Castelo Branco (UTC+3 and UTC+1).
What time is it in Istanbul when it is 9:00 AM in Castelo Branco?
When it is 9:00 AM in Castelo Branco, it is 11:00 AM in Istanbul.
What time is it in Istanbul at the end of the working day in Castelo Branco?
The working day in Castelo Branco ends at 6:00 PM; in Istanbul it is 8:00 PM at that moment.
Is there a time when both Castelo Branco and Istanbul are at work?
Yes: from 9:00 AM to 4:00 PM in Castelo Branco (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 Castelo Branco?
The new day starts in Istanbul earlier: at 10:00 PM in Castelo Branco it is already midnight there. Until 2:00 AM in Istanbul, Castelo Branco is still on the previous day.
Does the time difference between Castelo Branco and Istanbul change?
Yes. The clocks change only in Castelo Branco. From October 25, 2026, Istanbul will be 3 hours ahead of Castelo Branco.
