Time zone
Argentina Standard Time (UTC−3), UTC−3. IANA zone America/Argentina/Cordoba.
Time in Argentina
Time in Rosario now
Tuesday, November 3, 2026
UTC−3 · UTC−3 Argentina Standard Time
- Sunrise
- 6:01 AM
- Sunset
- 7:30 PM
- Day length
- 13 h 29 min
- Daylight saving
- Not observed
Rosario time zone
Clock changes
Rosario does not change its clocks; it stays on UTC−3 all year.
Location
Rosario, Santa Fe, Argentina. Coordinates 32.95° S, 60.64° W; population about 948,312.
Sunrise and sunset in Rosario today
- Dawn (civil)
- 5:35 AM
- Sunrise
- 6:01 AM
- Solar noon
- 12:46 PM
- Sunset
- 7:30 PM
- Dusk (civil)
- 7:56 PM
- Day length
- 13 h 29 min
- Night length
- 10 h 31 min
- Golden hour, morning
- 5:45 AM – 6:35 AM
- Golden hour, evening
- 6:56 PM – 7:46 PM
- Blue hour, morning
- 5:35 AM – 5:45 AM
- Blue hour, evening
- 7:46 PM – 7:56 PM
Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.
Rosario time compared with other cities
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| City | Local time | Difference from Rosario |
|---|---|---|
| New York City, New York | 7:00 AM | 2 hours behind Rosario |
| Los Angeles, California | 4:00 AM | 5 hours behind Rosario |
| Chicago, Illinois | 6:00 AM | 3 hours behind Rosario |
| Denver, Colorado | 5:00 AM | 4 hours behind Rosario |
| Phoenix, Arizona | 5:00 AM | 4 hours behind Rosario |
| Honolulu, Hawaii | 2:00 AM | 7 hours behind Rosario |
| Anchorage, Alaska | 3:00 AM | 6 hours behind Rosario |
| Toronto, Canada | 7:00 AM | 2 hours behind Rosario |
| Vancouver, Canada | 5:00 AM | 4 hours behind Rosario |
| Mexico City, Mexico | 6:00 AM | 3 hours behind Rosario |
| São Paulo, Brazil | 9:00 AM | Same time as Rosario |
| Buenos Aires, Argentina | 9:00 AM | Same time as Rosario |
| London, United Kingdom | 12:00 PM | 3 hours ahead of Rosario |
| Dublin, Ireland | 12:00 PM | 3 hours ahead of Rosario |
Questions about time in Rosario
What time zone is Rosario in?
Rosario uses Argentina Standard Time (UTC−3, UTC−3) all year. Its IANA time-zone identifier is America/Argentina/Cordoba, which is what phones and computers use to set the local time.
Does Rosario observe daylight saving time?
No. Rosario stays on UTC−3 all year, so its clocks do not change for daylight saving time.
How far is Rosario from UTC?
Rosario is 3 hours behind UTC.
What time is sunrise and sunset in Rosario today?
The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:01 AM and set at 7:30 PM, giving 13 h 29 min of daylight.
Near Rosario
- Buenos Aires, Argentina 279 km
- Córdoba, Argentina 375 km
- Montevideo, Uruguay 465 km
- Asunción, Paraguay 900 km
- Santiago, Chile 933 km
- Porto Alegre, Brazil 949 km
- Curitiba, Brazil 1,383 km
- Campo Grande, Brazil 1,512 km