Istanbul to Concord Time Difference
Concord is 10 hours behind Istanbul
24-Hour Comparison
Business hours Extended Off hours
Istanbul
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
Concord
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
Istanbul and Concord have little to no overlap in typical business hours (9 AM–5 PM) — an early morning or evening call works best for one side.
Frequently Asked Questions
- What is the time difference between Istanbul and Concord?
- Concord is 10 hours behind Istanbul. Istanbul is currently UTC+3 and Concord is UTC-7.
- Is Concord ahead of or behind Istanbul?
- Concord is behind Istanbul.
- What is the best time to call Concord from Istanbul?
- Istanbul and Concord have little to no overlap in typical business hours (9 AM–5 PM), even on a weekday — an early morning or evening call works best for one side.
- Does the time difference between Istanbul and Concord change during the year?
- Yes. Istanbul and Concord don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.