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Global ClockTime zone converter & meeting planner
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 Harlem vs Istanbul

Harlem keeps EDT (UTC−4) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 7 hours ahead of Harlem; 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: 16:00–18:00 in Istanbul (09:00–11:00 your time).

Harlem and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Harlem01:00 in Harlem02:00 in Harlem03:00 in Harlem04:00 in Harlem05:00 in Harlem06:00 in Harlem07:00 in Harlem08:00 in Harlem09:00 in Harlem10:00 in Harlem11:00 in Harlem12:00 in Harlem13:00 in Harlem14:00 in Harlem15:00 in Harlem16:00 in Harlem17:00 in Harlem18:00 in Harlem19:00 in Harlem20:00 in Harlem21:00 in Harlem22:00 in Harlem23:00 in Harlem
Harlem——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Harlem and Istanbul

Best hours to call

09:00 in Harlem
Inside working hours on both sides
16:00 in Istanbul
10:00 in Harlem
Inside working hours on both sides
17:00 in Istanbul

Where daylight saving pulls them apart

Harlem next changes on Sunday 1 November 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Istanbul of Harlem?

Istanbul is 7 hours ahead of Harlem right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Harlem and Istanbul?

Any hour in 09:00–11:00 Harlem time is inside working hours in both cities.

Do Harlem and Istanbul change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.