Riyadh to Koło time converter

Koło is 1 hour behind Riyadh. When it is 9:00 AM in Riyadh, it is 8:00 AM in Koło.

Riyadh AST

Monday, October 19, 2026

Koło CEST

Monday, October 19, 2026

Riyadh
Saudi Arabia
Mon, Oct 19
ASTUTC+3
Koło
Poland
Mon, Oct 19
CESTUTC+2-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Koło conversion table

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

RiyadhKoło
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 Riyadh (9:00 AM – 5:00 PM in Koło).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Koło 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

Riyadh and Koło are 3,867 km (2,403 miles) apart in a straight line.

More conversions

Koło to RiyadhRiyadh to New YorkRiyadh to LondonRiyadh to Los AngelesRiyadh to ChicagoRiyadh to TorontoRiyadh to São PauloRiyadh to ParisRiyadh to BerlinRiyadh to MoscowRiyadh to DubaiRiyadh to New DelhiRiyadh to Bangkok
New York to KołoLondon to KołoLos Angeles to KołoChicago to KołoToronto to KołoSão Paulo to KołoParis to KołoBerlin to KołoMoscow to KołoDubai to KołoNew Delhi to KołoBangkok to Koło

Questions and answers

What is the time difference between Riyadh and Koło?

Koło is 1 hour behind Riyadh.

What time is it in Koło when it is 9 AM in Riyadh?

When it is 9:00 AM in Riyadh, it is 8:00 AM in Koło.

When is the best time to call Koło from Riyadh?

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

Does the time difference between Riyadh and Koło change?

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