Istanbul to Roy time converter

Roy is 9 hours behind Istanbul. When it is 9:00 AM in Istanbul, it is 12:00 AM in Roy.

Istanbul TRT

Monday, October 19, 2026

Roy MDT

Monday, October 19, 2026

Istanbul
Turkey
Mon, Oct 19
TRTUTC+3
Roy
Utah, United States
Mon, Oct 19
MDTUTC-6-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Istanbul to Roy conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Istanbul (7:00 AM – 9:00 AM in Roy): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -9h
  • Nov 1, 2026 – Mar 14, 2027: -10h
  • Mar 14, 2027 – Oct 19, 2027: -9h

Distance

Istanbul and Roy are 10,067 km (6,255 miles) apart in a straight line.

More conversions

Roy 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 RoyLondon to RoyLos Angeles to RoyChicago to RoyToronto to RoySão Paulo to RoyParis to RoyBerlin to RoyMoscow to RoyDubai to RoyNew Delhi to RoyBangkok to Roy

Questions and answers

What is the time difference between Istanbul and Roy?

Roy is 9 hours behind Istanbul.

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

When it is 9:00 AM in Istanbul, it is 12:00 AM in Roy.

When is the best time to call Roy from Istanbul?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Istanbul (7:00 AM – 9:00 AM in Roy): working hours on one side, early or late on the other.

Does the time difference between Istanbul and Roy change?

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