Alton to Riyadh time converter

Riyadh is 8 hours ahead of Alton. When it is 9:00 AM in Alton, it is 5:00 PM in Riyadh.

Alton CDT

Monday, October 19, 2026

Riyadh AST

Tuesday, October 20, 2026

Alton
Texas, United States
Mon, Oct 19
CDTUTC-5
Riyadh
Saudi Arabia
Tue, Oct 20
ASTUTC+3+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Alton to Riyadh conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Riyadh).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +8h
  • Nov 1, 2026 – Mar 14, 2027: +9h
  • Mar 14, 2027 – Oct 19, 2027: +8h

Distance

Alton and Riyadh are 13,216 km (8,212 miles) apart in a straight line.

More conversions

Riyadh to AltonAlton to New YorkAlton to LondonAlton to Los AngelesAlton to ChicagoAlton to TorontoAlton to São PauloAlton to ParisAlton to BerlinAlton to MoscowAlton to DubaiAlton to New DelhiAlton 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 Alton and Riyadh?

Riyadh is 8 hours ahead of Alton.

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

When it is 9:00 AM in Alton, it is 5:00 PM in Riyadh.

When is the best time to call Riyadh from Alton?

Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Riyadh).

Does the time difference between Alton and Riyadh change?

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