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 Dehiwala-Mount Lavinia

Istanbul keeps UTC+3 (UTC+3) and Dehiwala-Mount Lavinia keeps IST (UTC+5:30) today. Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia (09:00–15:00 your time).

Istanbul and Dehiwala-Mount Lavinia 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
Dehiwala-Mount Lavinia——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Istanbul and Dehiwala-Mount Lavinia

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, Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia
10:00 in Istanbul
Inside working hours on both sides
13:00 in Dehiwala-Mount Lavinia
11:00 in Istanbul
Inside working hours on both sides
14:00 in Dehiwala-Mount Lavinia
12:00 in Istanbul
Inside working hours on both sides
15:00 in Dehiwala-Mount Lavinia

Where daylight saving pulls them apart

Neither Istanbul nor Dehiwala-Mount Lavinia changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Dehiwala-Mount Lavinia of Istanbul?

Dehiwala-Mount Lavinia 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 Dehiwala-Mount Lavinia?

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

Do Istanbul and Dehiwala-Mount Lavinia change clocks on the same date?

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