Skip to content
Global ClockTime zone converter & meeting planner
PAGES
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Istanbul vs Dehra Dūn

Istanbul keeps UTC+3 (UTC+3) and Dehra Dūn keeps IST (UTC+5:30) today. Dehra Dūn is 2½ hours ahead of Istanbul; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 12:00–18:00 in Dehra Dūn (09:00–15:00 your time).

Istanbul and Dehra Dūn hour by hour, with the working-hour overlap shaded
City00:00 in Istanbul01:00 in Istanbul02:00 in Istanbul03:00 in Istanbul04:00 in Istanbul05:00 in Istanbul06:00 in Istanbul07:00 in Istanbul08:00 in Istanbul09:00 in Istanbul10:00 in Istanbul11:00 in Istanbul12:00 in Istanbul13:00 in Istanbul14:00 in Istanbul15:00 in Istanbul16:00 in Istanbul17:00 in Istanbul18:00 in Istanbul19:00 in Istanbul20:00 in Istanbul21:00 in Istanbul22:00 in Istanbul23:00 in Istanbul
Istanbul——000102030405060708091011121314151617181920212223
Dehra Dūn——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Istanbul and Dehra Dūn

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Istanbul, Dehra Dūn and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Istanbul
Inside working hours on both sides
12:00 in Dehra Dūn
10:00 in Istanbul
Inside working hours on both sides
13:00 in Dehra Dūn
11:00 in Istanbul
Inside working hours on both sides
14:00 in Dehra Dūn
12:00 in Istanbul
Inside working hours on both sides
15:00 in Dehra Dūn

Where daylight saving pulls them apart

Neither Istanbul nor Dehra Dūn changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Dehra Dūn of Istanbul?

Dehra Dūn is 2½ hours ahead of Istanbul right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Istanbul and Dehra Dūn?

Any hour in 09:00–15:00 Istanbul time is inside working hours in both cities.

Do Istanbul and Dehra Dūn change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.