Riyadh to Kailua time converter

Kailua is 13 hours behind Riyadh. When it is 9:00 AM in Riyadh, it is 8:00 PM (Sat, Oct 17) in Kailua.

Riyadh AST

Sunday, October 18, 2026

Kailua HST

Sunday, October 18, 2026

Riyadh
Saudi Arabia
Sun, Oct 18
ASTUTC+3
Kailua
Hawaii, United States
Sun, Oct 18
HSTUTC-10-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Kailua conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Riyadh (8:00 PM – 10:00 PM in Kailua): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 13 hours all year.

Distance

Riyadh and Kailua are 14,249 km (8,854 miles) apart in a straight line.

More conversions

Kailua 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 KailuaLondon to KailuaLos Angeles to KailuaChicago to KailuaToronto to KailuaSão Paulo to KailuaParis to KailuaBerlin to KailuaMoscow to KailuaDubai to KailuaNew Delhi to KailuaBangkok to Kailua

Questions and answers

What is the time difference between Riyadh and Kailua?

Kailua is 13 hours behind Riyadh.

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

When it is 9:00 AM in Riyadh, it is 8:00 PM (Sat, Oct 17) in Kailua.

When is the best time to call Kailua from Riyadh?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Riyadh (8:00 PM – 10:00 PM in Kailua): working hours on one side, early or late on the other.

Does the time difference between Riyadh and Kailua change?

No. The difference stays 13 hours all year.