Sierre to Istanbul time converter

Istanbul is 1 hour ahead of Sierre. When it is 9:00 AM in Sierre, it is 10:00 AM in Istanbul.

Sierre CEST

Monday, October 19, 2026

Istanbul TRT

Monday, October 19, 2026

Sierre
Switzerland
Mon, Oct 19
CESTUTC+2
Istanbul
Turkey
Mon, Oct 19
TRTUTC+3+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Sierre to Istanbul conversion table

Every hour of today in Sierre and the matching time in Istanbul. Light rows are typical working hours (9:00–18:00).

SierreIstanbul
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in Sierre (10:00 AM – 6:00 PM in Istanbul).

Daylight saving time and the difference

The difference changes during the year because Sierre and Istanbul switch clocks on different dates:

  • Oct 19, 2026 – Oct 25, 2026: +1h
  • Oct 25, 2026 – Mar 28, 2027: +2h
  • Mar 28, 2027 – Oct 19, 2027: +1h

Distance

Sierre and Istanbul are 1,813 km (1,127 miles) apart in a straight line.

More conversions

Istanbul to SierreSierre to New YorkSierre to LondonSierre to Los AngelesSierre to ChicagoSierre to TorontoSierre to São PauloSierre to ParisSierre to BerlinSierre to MoscowSierre to DubaiSierre to New DelhiSierre to Bangkok
New York to IstanbulLondon to IstanbulLos Angeles to IstanbulChicago to IstanbulToronto to IstanbulSão Paulo to IstanbulParis to IstanbulBerlin to IstanbulMoscow to IstanbulDubai to IstanbulNew Delhi to IstanbulBangkok to Istanbul

Questions and answers

What is the time difference between Sierre and Istanbul?

Istanbul is 1 hour ahead of Sierre.

What time is it in Istanbul when it is 9 AM in Sierre?

When it is 9:00 AM in Sierre, it is 10:00 AM in Istanbul.

When is the best time to call Istanbul from Sierre?

Both sides are at work from 9:00 AM – 5:00 PM in Sierre (10:00 AM – 6:00 PM in Istanbul).

Does the time difference between Sierre and Istanbul change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.