Kailua to Riyadh time converter

Riyadh is 13 hours ahead of Kailua. When it is 9:00 AM in Kailua, it is 10:00 PM in Riyadh.

Kailua HST

Sunday, October 18, 2026

Riyadh AST

Monday, October 19, 2026

Kailua
Hawaii, United States
Sun, Oct 18
HSTUTC-10
Riyadh
Saudi Arabia
Mon, Oct 19
ASTUTC+3+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Kailua to Riyadh conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Kailua (9:00 AM – 11:00 AM in Riyadh): 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

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

More conversions

Riyadh to KailuaKailua to New YorkKailua to LondonKailua to Los AngelesKailua to ChicagoKailua to TorontoKailua to São PauloKailua to ParisKailua to BerlinKailua to MoscowKailua to DubaiKailua to New DelhiKailua to Bangkok
New York to RiyadhLondon to RiyadhLos Angeles to RiyadhChicago to RiyadhToronto to RiyadhSão Paulo to RiyadhParis to RiyadhBerlin to RiyadhMoscow to RiyadhDubai to RiyadhNew Delhi to RiyadhBangkok to Riyadh

Questions and answers

What is the time difference between Kailua and Riyadh?

Riyadh is 13 hours ahead of Kailua.

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

When it is 9:00 AM in Kailua, it is 10:00 PM in Riyadh.

When is the best time to call Riyadh from Kailua?

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

Does the time difference between Kailua and Riyadh change?

No. The difference stays 13 hours all year.