Riyadh to Calama time converter

Calama is 6 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 3:00 AM in Calama.

Riyadh AST

Saturday, October 17, 2026

Calama CLST

Friday, October 16, 2026

Riyadh
Saudi Arabia
Sat, Oct 17
ASTUTC+3
Calama
Chile
Fri, Oct 16
CLSTUTC-3-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Calama conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Riyadh (9:00 AM – 12:00 PM in Calama).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Apr 4, 2027: -6h
  • Apr 4, 2027 – Sep 5, 2027: -7h
  • Sep 5, 2027 – Oct 17, 2027: -6h

Distance

Riyadh and Calama are 13,514 km (8,397 miles) apart in a straight line.

More conversions

Calama 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 CalamaLondon to CalamaLos Angeles to CalamaChicago to CalamaToronto to CalamaSão Paulo to CalamaParis to CalamaBerlin to CalamaMoscow to CalamaDubai to CalamaNew Delhi to CalamaBangkok to Calama

Questions and answers

What is the time difference between Riyadh and Calama?

Calama is 6 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 3:00 AM in Calama.

When is the best time to call Calama from Riyadh?

Both sides are at work from 3:00 PM – 6:00 PM in Riyadh (9:00 AM – 12:00 PM in Calama).

Does the time difference between Riyadh and Calama change?

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