Riyadh to Colonia time converter

Colonia is 7 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 2:00 AM in Colonia.

Riyadh AST

Sunday, October 18, 2026

Colonia EDT

Sunday, October 18, 2026

Riyadh
Saudi Arabia
Sun, Oct 18
ASTUTC+3
Colonia
New Jersey, United States
Sun, Oct 18
EDTUTC-4-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Colonia conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Riyadh (9:00 AM – 11:00 AM in Colonia).

Daylight saving time and the difference

The difference changes during the year because Riyadh and Colonia switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Oct 18, 2027: -7h

Distance

Riyadh and Colonia are 10,544 km (6,552 miles) apart in a straight line.

More conversions

Colonia 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 ColoniaLondon to ColoniaLos Angeles to ColoniaChicago to ColoniaToronto to ColoniaSão Paulo to ColoniaParis to ColoniaBerlin to ColoniaMoscow to ColoniaDubai to ColoniaNew Delhi to ColoniaBangkok to Colonia

Questions and answers

What is the time difference between Riyadh and Colonia?

Colonia is 7 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 2:00 AM in Colonia.

When is the best time to call Colonia from Riyadh?

Both sides are at work from 4:00 PM – 6:00 PM in Riyadh (9:00 AM – 11:00 AM in Colonia).

Does the time difference between Riyadh and Colonia change?

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