Riyadh to Adelaide time converter

Adelaide is 7 hours 30 minutes ahead of Riyadh. When it is 9:00 AM in Riyadh, it is 4:30 PM in Adelaide.

Riyadh AST

Saturday, October 17, 2026

Adelaide ACDT

Saturday, October 17, 2026

Riyadh
Saudi Arabia
Sat, Oct 17
ASTUTC+3
Adelaide
South Australia, Australia
Sat, Oct 17
ACDTUTC+10:30+7h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

Riyadh to Adelaide conversion table

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

RiyadhAdelaide
12:00 AM7:30 AM
1:00 AM8:30 AM
2:00 AM9:30 AM
3:00 AM10:30 AM
4:00 AM11:30 AM
5:00 AM12:30 PM
6:00 AM1:30 PM
7:00 AM2:30 PM
8:00 AM3:30 PM
9:00 AM4:30 PM
10:00 AM5:30 PM
11:00 AM6:30 PM
12:00 PM7:30 PM
1:00 PM8:30 PM
2:00 PM9:30 PM
3:00 PM10:30 PM
4:00 PM11:30 PM
5:00 PM12:30 AM+1 day
6:00 PM1:30 AM+1 day
7:00 PM2:30 AM+1 day
8:00 PM3:30 AM+1 day
9:00 PM4:30 AM+1 day
10:00 PM5:30 AM+1 day
11:00 PM6:30 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 10:30 AM in Riyadh (4:30 PM – 6:00 PM in Adelaide).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Apr 3, 2027: +7h 30m
  • Apr 3, 2027 – Oct 2, 2027: +6h 30m
  • Oct 2, 2027 – Oct 17, 2027: +7h 30m

Distance

Riyadh and Adelaide are 11,707 km (7,274 miles) apart in a straight line.

More conversions

Adelaide 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 AdelaideLondon to AdelaideLos Angeles to AdelaideChicago to AdelaideToronto to AdelaideSão Paulo to AdelaideParis to AdelaideBerlin to AdelaideMoscow to AdelaideDubai to AdelaideNew Delhi to AdelaideBangkok to Adelaide

Questions and answers

What is the time difference between Riyadh and Adelaide?

Adelaide is 7 hours 30 minutes ahead of Riyadh.

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

When it is 9:00 AM in Riyadh, it is 4:30 PM in Adelaide.

When is the best time to call Adelaide from Riyadh?

Both sides are at work from 9:00 AM – 10:30 AM in Riyadh (4:30 PM – 6:00 PM in Adelaide).

Does the time difference between Riyadh and Adelaide change?

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