Time difference between Helsinki and Istanbul

The gap is not the same all year

Every converter gives one number for this pair. That number is right for most of the year and wrong for part of it, because Helsinki goes forward on the last Sunday in March and back on the last Sunday in October and Istanbul does not change its clocks.

Istanbul stays put all year while Helsinki moves, so a meeting fixed in Istanbul's calendar shifts by an hour twice a year at Helsinki's end.

About Helsinki and Istanbul

Finland is on Eastern European Time and has campaigned harder than any other member state to end clock changes across the EU — the 2018 petition that put the question to the Commission was largely Finnish.

Türkiye abandoned daylight saving in 2016 and fixed the clocks at UTC+3 permanently, so it is on what used to be its summer time all year. Winter mornings in Istanbul are correspondingly dark, and the gap to Europe changes twice a year from Europe's side alone.

What no difference actually costs you

This is an easy pair. 8 hours of the working day are shared, which is enough for a standing meeting at a time neither side has to think about. 9:00 AM–5:00 PM in Helsinki lands inside office hours at both ends.

When they can both be at their desks

Nine-to-five in both cities overlaps for 8 hours — 9:00 AM to 5:00 PM in Helsinki, the same moment as 9:00 AM to 5:00 PM in Istanbul.

Helsinki

Istanbul

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How far apart Helsinki and Istanbul are

The shortest path over the Earth's surface between the two is 2,149 km (1,335 miles). That is a short flight — about 3 hours 5 minutes in the air along that line.

The two keep the same clock for most of the year, so there is no jet lag to speak of whatever the distance.

Helsinki to Istanbul, hour by hour

On the usual gap of no difference.

Frequently asked questions