World Timezones

UYT to IRST Converter

Compare IRST to UYT instead
Uruguay Time1:35 amFri, Jun 5
Uruguay TimeUYT
South America · UTC-3
1:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Iran Standard TimeIRST
Middle East · UTC+3:30
8:05 amFri, Jun 5
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a

Offset

The time difference between Uruguay Time and Iran Standard Time is 6.5 hours.

6.5 hours

Uruguay Time (UYT) is behind Iran Standard Time (IRST).

UYT: UTC-3

IRST: UTC+3:30

Neither Uruguay Time nor Iran Standard Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–11 AM in Uruguay Time (3 PM–5 PM in Iran Standard Time).

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

Suggested time: 10:00 AM Uruguay Time (4:30 PM Iran Standard Time).

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.

Uruguay

  • New Year's DayThu, Jan 1
  • Children's DayTue, Jan 6
  • CarnivalMon, Feb 16
  • CarnivalTue, Feb 17
  • Maundy ThursdayThu, Apr 2
  • Good FridayFri, Apr 3
  • Landing of the 33 Patriots DaySun, Apr 19
  • International Workers' DayFri, May 1
  • Battle of Las PiedrasMon, May 18
  • Birthday of José Gervasio Artigas and Never Again DayFri, Jun 19
  • Constitution DaySat, Jul 18
  • Independence DayTue, Aug 25
  • Day of the raceMon, Oct 12
  • Deceased ones dayMon, Nov 2
  • Christmas DayFri, Dec 25

About these zones

Uruguay Time is also known as UYT. To call Uruguay, dial +598.

Iran Standard Time is also known as IRST. To call Iran, dial +98.

Iran Standard Time is approximately 8,450 miles northeast of Uruguay Time.

Quick reference

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

UYTIRSTDay
12:00 am6:30 amSame day
1:00 am7:30 amSame day
2:00 am8:30 amSame day
3:00 am9:30 amSame day
4:00 am10:30 amSame day
5:00 am11:30 amSame day
6:00 am12:30 pmSame day
7:00 am1:30 pmSame day
8:00 am2:30 pmSame day
9:00 am3:30 pmSame day
10:00 am4:30 pmSame day
11:00 am5:30 pmSame day
12:00 pm6:30 pmSame day
1:00 pm7:30 pmSame day
2:00 pm8:30 pmSame day
3:00 pm9:30 pmSame day
4:00 pm10:30 pmSame day
5:00 pm11:30 pmSame day
6:00 pm12:30 am+1 day
7:00 pm1:30 am+1 day
8:00 pm2:30 am+1 day
9:00 pm3:30 am+1 day
10:00 pm4:30 am+1 day
11:00 pm5:30 am+1 day

Daylight saving time

Neither Uruguay Time nor Iran Standard Time 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

Uruguay Time
Sunrise
7:47 AM
Sunset
5:41 PM
Day length
9h 54m
Iran Standard Time
Sunrise
4:50 AM
Sunset
7:18 PM
Day length
14h 28m

Daylight overlap: 5h 1m — 7:47 AM–12:48 PM in Uruguay Time (2:17 PM–7:18 PM in Iran Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Uruguay Time

Cities in Iran Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Uruguay Time

  • MVD

Airports in Iran Standard Time

  • IKA
  • THR
  • MHD
  • IFN
  • PYK
  • TBZ

Related conversions

Common conversions

What is 9:00 am UYT in IRST?
9:00 am UYT is 3:30 pm IRST.
What is 12:00 pm UYT in IRST?
12:00 pm UYT is 6:30 pm IRST.
What is 12:30 pm UYT in IRST?
12:30 pm UYT is 7:00 pm IRST.
What is 2:00 pm UYT in IRST?
2:00 pm UYT is 8:30 pm IRST.
What is 5:00 pm UYT in IRST?
5:00 pm UYT is 11:30 pm IRST.
What is 11:30 pm UYT in IRST?
11:30 pm UYT is 6:00 am IRST, the next day.