Offset
The time difference between Hawaii Time and Uruguay Time is 7 hours.
Hawaii Time (HST) is behind Uruguay Time (UYT).
HST: UTC-10
UYT: UTC-3
Neither Hawaii Time nor Uruguay Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in Hawaii Time (4 PM–5 PM in Uruguay Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Hawaii Time (4:00 PM 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.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
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
Hawaii Time is also known as HST. To call United States, dial +1.
Uruguay Time is also known as UYT. To call Uruguay, dial +598.
Uruguay Time is approximately 7,700 miles southeast of Hawaii Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| HST | UYT | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Neither Hawaii 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
- 5:50 AM
- Sunset
- 7:12 PM
- Day length
- 13h 22m
- Sunrise
- 7:47 AM
- Sunset
- 5:41 PM
- Day length
- 9h 54m
Cities in these zones
Cities in Hawaii Time
Cities in Uruguay Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Hawaii Time
- HNL
Airports in Uruguay Time
- MVD
Related conversions
Common conversions
- What is 9:00 am HST in UYT?
- 9:00 am HST is 4:00 pm UYT.
- What is 12:00 pm HST in UYT?
- 12:00 pm HST is 7:00 pm UYT.
- What is 12:30 pm HST in UYT?
- 12:30 pm HST is 7:30 pm UYT.
- What is 2:00 pm HST in UYT?
- 2:00 pm HST is 9:00 pm UYT.
- What is 5:00 pm HST in UYT?
- 5:00 pm HST is 12:00 am UYT, the next day.
- What is 11:30 pm HST in UYT?
- 11:30 pm HST is 6:30 am UYT, the next day.