Offset
The time difference between Iran Standard Time and Uruguay Time is 6.5 hours.
Iran Standard Time (IRST) is ahead of Uruguay Time (UYT).
IRST: UTC+3:30
UYT: UTC-3
Neither Iran Standard Time nor Uruguay Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 4 PM–5 PM in Iran Standard Time (9 AM–10 AM in Uruguay Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Iran Standard Time (9:30 AM Uruguay 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
Iran Standard Time is also known as IRST. To call Iran, dial +98.
Uruguay Time is also known as UYT. To call Uruguay, dial +598.
Uruguay Time is approximately 8,450 miles west of Iran Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| IRST | UYT | Day |
|---|---|---|
| 12:00 am | 5:30 pm | -1 day |
| 1:00 am | 6:30 pm | -1 day |
| 2:00 am | 7:30 pm | -1 day |
| 3:00 am | 8:30 pm | -1 day |
| 4:00 am | 9:30 pm | -1 day |
| 5:00 am | 10:30 pm | -1 day |
| 6:00 am | 11:30 pm | -1 day |
| 7:00 am | 12:30 am | Same day |
| 8:00 am | 1:30 am | Same day |
| 9:00 am | 2:30 am | Same day |
| 10:00 am | 3:30 am | Same day |
| 11:00 am | 4:30 am | Same day |
| 12:00 pm | 5:30 am | Same day |
| 1:00 pm | 6:30 am | Same day |
| 2:00 pm | 7:30 am | Same day |
| 3:00 pm | 8:30 am | Same day |
| 4:00 pm | 9:30 am | Same day |
| 5:00 pm | 10:30 am | Same day |
| 6:00 pm | 11:30 am | Same day |
| 7:00 pm | 12:30 pm | Same day |
| 8:00 pm | 1:30 pm | Same day |
| 9:00 pm | 2:30 pm | Same day |
| 10:00 pm | 3:30 pm | Same day |
| 11:00 pm | 4:30 pm | Same day |
Daylight saving time
Neither Iran Standard Time nor Uruguay 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
- Sunrise
- 4:50 AM
- Sunset
- 7:18 PM
- Day length
- 14h 28m
- Sunrise
- 7:47 AM
- Sunset
- 5:41 PM
- Day length
- 9h 54m
Daylight overlap: 5h 1m — 2:17 PM–7:18 PM in Iran Standard Time (7:47 AM–12:48 PM in Uruguay Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Uruguay Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Iran Standard Time
- IKA
- THR
- MHD
- IFN
- PYK
- TBZ
Airports in Uruguay Time
- MVD
Related conversions
Common conversions
- What is 9:00 am IRST in UYT?
- 9:00 am IRST is 2:30 am UYT.
- What is 12:00 pm IRST in UYT?
- 12:00 pm IRST is 5:30 am UYT.
- What is 12:30 pm IRST in UYT?
- 12:30 pm IRST is 6:00 am UYT.
- What is 2:00 pm IRST in UYT?
- 2:00 pm IRST is 7:30 am UYT.
- What is 5:00 pm IRST in UYT?
- 5:00 pm IRST is 10:30 am UYT.
- What is 11:30 pm IRST in UYT?
- 11:30 pm IRST is 5:00 pm UYT.