Istanbul to Alcala de Henares: time difference
Alcala de Henares is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇪🇸 Alcala de Henares, Spain
55
- Central European Summer Time
- UTC+2
- Daytime
☀️ 08:28 · 🌙 19:31 · 11 h 3 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 12:32 12:32 PM Alcala de Henares 11:32 11:32 AM You –:–
12:32 12:32 PM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
11:32 11:32 AM
Central European Summer Time · UTC+2
☀️ 08:28 · 🌙 19:31
·
−1 h
Alcala de Henares is 1 h behind Istanbul.
When you, Istanbul and Alcala de Henares are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇪🇸 Alcala de Henares
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇪🇸 Alcala de Henares |
|---|---|---|
| Local time | 12:32 | 11:32 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | GMT+03:00 | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Madrid |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:19 | 08:28 |
| Sunset | 18:21 | 19:31 |
| Daylight | 11 h 2 min | 11 h 3 min |
| People on this clock | 15,701,602 | 199,184 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Alcala de Henares: common questions
How many hours behind Istanbul is Alcala de Henares?
The clocks in Alcala de Henares are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
What time is it in Alcala de Henares at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Alcala de Henares it is 8:00 AM at that moment.
What time is it in Alcala de Henares at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Alcala de Henares it is 5:00 PM at that moment.
When is a good time to call Alcala de Henares from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Alcala de Henares – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Alcala de Henares compared with Istanbul?
The new day starts in Alcala de Henares later: until 1:00 AM in Istanbul, it is still the previous day there. From 11:00 PM in Alcala de Henares, Istanbul is already on the next day.
Is the time difference between Istanbul and Alcala de Henares the same all year?
No. Only Alcala de Henares switches to summer time, so the gap changes twice a year. From October 25, 2026, Alcala de Henares will be 2 hours behind Istanbul.
