World Timezones

Perth to Riyadh Converter

Compare Riyadh to Perth instead
Perth10:38 amMon, Jun 8
PerthAWST
Australia · UTC+8
10:38 amMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
RiyadhAST
Saudi Arabia · UTC+3
5:38 amMon, Jun 8
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p

Offset

The time difference between Perth and Riyadh is 5 hours.

5 hours

Perth (AWST) is ahead of Riyadh (AST).

AWST: UTC+8

AST: UTC+3

Neither Perth nor Riyadh is currently observing daylight saving time.

When to schedule

Business-hours overlap: 2 PM–5 PM in Perth (9 AM–12 PM in Riyadh).

Both teams are in working hours during this window on weekdays.

Suggested time: 3:00 PM Perth (10:00 AM Riyadh).

Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Australia

  • New Year's DayThu, Jan 1
  • Australia DayMon, Jan 26
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Perth uses Australian Western Time (AWST). To call Australia, dial +61.

Riyadh uses Arabia Standard Time (AST). To call Saudi Arabia, dial +966.

Riyadh is approximately 6,000 miles northwest of Perth.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

PerthRiyadhDay
12:00 am7:00 pm-1 day
1:00 am8:00 pm-1 day
2:00 am9:00 pm-1 day
3:00 am10:00 pm-1 day
4:00 am11:00 pm-1 day
5:00 am12:00 amSame day
6:00 am1:00 amSame day
7:00 am2:00 amSame day
8:00 am3:00 amSame day
9:00 am4:00 amSame day
10:00 am5:00 amSame day
11:00 am6:00 amSame day
12:00 pm7:00 amSame day
1:00 pm8:00 amSame day
2:00 pm9:00 amSame day
3:00 pm10:00 amSame day
4:00 pm11:00 amSame day
5:00 pm12:00 pmSame day
6:00 pm1:00 pmSame day
7:00 pm2:00 pmSame day
8:00 pm3:00 pmSame day
9:00 pm4:00 pmSame day
10:00 pm5:00 pmSame day
11:00 pm6:00 pmSame day

Daylight saving time

Neither Perth nor Riyadh observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Perth
Sunrise
7:13 AM
Sunset
5:20 PM
Day length
10h 7m
Riyadh
Sunrise
5:04 AM
Sunset
6:42 PM
Day length
13h 37m

Daylight overlap: 7h 16m — 10:04 AM–5:20 PM in Perth (5:04 AM–12:20 PM in Riyadh). Both locations are in daylight during this window.

Cities in these zones

Other cities in Arabia Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Australian Western Time

  • PER

Airports in Arabia Standard Time

  • JED
  • RUH
  • MED
  • DMM

Related conversions

Common conversions

What is 9:00 am Perth in Riyadh?
9:00 am Perth is 4:00 am Riyadh.
What is 12:00 pm Perth in Riyadh?
12:00 pm Perth is 7:00 am Riyadh.
What is 12:30 pm Perth in Riyadh?
12:30 pm Perth is 7:30 am Riyadh.
What is 2:00 pm Perth in Riyadh?
2:00 pm Perth is 9:00 am Riyadh.
What is 5:00 pm Perth in Riyadh?
5:00 pm Perth is 12:00 pm Riyadh.
What is 11:30 pm Perth in Riyadh?
11:30 pm Perth is 6:30 pm Riyadh.