Istanbul to Letterkenny: time difference
Letterkenny is 2 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 19:49 7:49 PM Letterkenny 17:49 5:49 PM You –:–
19:49 7:49 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
17:49 5:49 PM
Irish Standard Time · UTC+1
☀️ 08:04 · 🌙 18:30
·
−2 h
Letterkenny is 2 h behind Istanbul.
When you, Istanbul and Letterkenny 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
🇮🇪 Letterkenny
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇮🇪 Letterkenny |
|---|---|---|
| Local time | 19:49 | 17:49 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | GMT+03:00 | Irish Standard Time |
| UTC offset | UTC+3 | UTC+1 |
| Offset from Istanbul | — | −2 h |
| IANA zone | Europe/Istanbul | Europe/Dublin |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:18 | 08:04 |
| Sunset | 18:22 | 18:30 |
| Daylight | 11 h 5 min | 10 h 25 min |
| People on this clock | 15,701,602 | 22,549 |
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 Letterkenny: common questions
How many hours behind Istanbul is Letterkenny?
The clocks in Letterkenny are 2 hours behind those in Istanbul (UTC+1 and UTC+3).
What time is it in Letterkenny when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 7:00 AM in Letterkenny.
If it is 6:00 PM in Istanbul, what time is it in Letterkenny?
At 6:00 PM in Istanbul, clocks in Letterkenny show 4:00 PM.
Is there a time when both Istanbul and Letterkenny are at work?
Yes: from 11:00 AM to 6:00 PM in Istanbul (9:00 AM to 4:00 PM in Letterkenny), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Letterkenny compared with Istanbul?
The new day starts in Letterkenny later: until 2:00 AM in Istanbul, it is still the previous day there. From 10:00 PM in Letterkenny, Istanbul is already on the next day.
Does the time difference between Istanbul and Letterkenny change?
Yes. The clocks change only in Letterkenny. From October 25, 2026, Letterkenny will be 3 hours behind Istanbul.
