World Timezones

Lisbon to Riyadh Converter

Compare Riyadh to Lisbon instead
Lisbon4:36 amMon, Jun 8
LisbonBST
Portugal · UTC+1
4:36 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
6:36 amMon, Jun 8
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a

Offset

The time difference between Lisbon and Riyadh is 2 hours.

2 hours

Lisbon (BST) is behind Riyadh (AST).

BST: UTC+1

AST: UTC+3

Lisbon is currently observing daylight saving time; Riyadh is not.

When to schedule

Business-hours overlap: 9 AM–3 PM in Lisbon (11 AM–5 PM in Riyadh).

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

Suggested time: 12:00 PM Lisbon (2:00 PM Riyadh).

This window may shift by an hour during daylight saving time.

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.

Portugal

  • New Year's DayThu, Jan 1
  • CarnivalTue, Feb 17
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • Freedom DaySat, Apr 25
  • Labour DayFri, May 1
  • Corpus ChristiThu, Jun 4
  • National DayWed, Jun 10
  • Assumption DaySat, Aug 15
  • Republic DayMon, Oct 5
  • All Saints DaySun, Nov 1
  • Restoration of IndependenceTue, Dec 1
  • Immaculate ConceptionTue, Dec 8
  • Christmas DayFri, Dec 25

About these zones

Lisbon uses Greenwich Mean Time (GMT, or BST). To call Portugal, dial +351.

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

Riyadh is approximately 3,350 miles east of Lisbon.

Quick reference

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

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

Daylight saving time

Lisbon observes daylight saving time; Riyadh does not. The offset between the two zones changes when Lisbon transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

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

Daylight today

Lisbon
Sunrise
6:13 AM
Sunset
9:00 PM
Day length
14h 48m
Riyadh
Sunrise
5:04 AM
Sunset
6:42 PM
Day length
13h 37m

Daylight overlap: 10h 29m — 6:13 AM–4:42 PM in Lisbon (8:13 AM–6:42 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 Greenwich Mean Time

  • CAT
  • LIS

Airports in Arabia Standard Time

  • JED
  • RUH
  • MED
  • DMM

Related conversions

Common conversions

What is 9:00 am Lisbon in Riyadh?
9:00 am Lisbon is 11:00 am Riyadh.
What is 12:00 pm Lisbon in Riyadh?
12:00 pm Lisbon is 2:00 pm Riyadh.
What is 12:30 pm Lisbon in Riyadh?
12:30 pm Lisbon is 2:30 pm Riyadh.
What is 2:00 pm Lisbon in Riyadh?
2:00 pm Lisbon is 4:00 pm Riyadh.
What is 5:00 pm Lisbon in Riyadh?
5:00 pm Lisbon is 7:00 pm Riyadh.
What is 11:30 pm Lisbon in Riyadh?
11:30 pm Lisbon is 1:30 am Riyadh, the next day.