Istanbul to Quarto time converter

Quarto is 1 hour behind Istanbul. When it is 9:00 AM in Istanbul, it is 8:00 AM in Quarto.

Istanbul TRT

Monday, October 19, 2026

Quarto CEST

Monday, October 19, 2026

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

Istanbul to Quarto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Istanbul and Quarto 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

Istanbul and Quarto are 1,242 km (772 miles) apart in a straight line.

More conversions

Quarto to IstanbulIstanbul to New YorkIstanbul to LondonIstanbul to Los AngelesIstanbul to ChicagoIstanbul to TorontoIstanbul to São PauloIstanbul to ParisIstanbul to BerlinIstanbul to MoscowIstanbul to DubaiIstanbul to New DelhiIstanbul to Bangkok
New York to QuartoLondon to QuartoLos Angeles to QuartoChicago to QuartoToronto to QuartoSão Paulo to QuartoParis to QuartoBerlin to QuartoMoscow to QuartoDubai to QuartoNew Delhi to QuartoBangkok to Quarto

Questions and answers

What is the time difference between Istanbul and Quarto?

Quarto is 1 hour behind Istanbul.

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

When it is 9:00 AM in Istanbul, it is 8:00 AM in Quarto.

When is the best time to call Quarto from Istanbul?

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

Does the time difference between Istanbul and Quarto change?

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