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Santa Fe, Argentina

Santa Fe province uses Argentina Time, UTC−3, all year. Its clocks do not currently move forward or backward for daylight saving time, and every municipality in the province follows the same official local time.

Rosario, Argentina

9:37:40 AM

Wednesday, 4 November 2026

UTC−3 · America/Argentina/Cordoba

Time and sun data for Rosario — the largest city of Santa Fe

The sun in Rosario

Sunrise 6:02 AM Solar noon 12:47 PM Sunset 7:33 PM Daylight 13 h 30 min Night 10 h 30 min Civil twilight 5:36 AM – 7:59 PM

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Current time in Santa Fe, Argentina

The time shown for Santa Fe applies equally to Rosario, the city of Santa Fe, Rafaela, Venado Tuerto, Reconquista, and Villa Gobernador Gálvez. A journey between these communities never requires a watch adjustment, although travel time between them still matters when arranging a meeting.

Santa Fe is three hours behind Coordinated Universal Time. Subtract three hours from UTC to obtain local time. During the first three hours of a UTC calendar day, the date in Santa Fe is still the preceding day.

A provincial clock cannot shorten the road from Rosario to Reconquista, but at least it removes one possible excuse for arriving late.

A steady offset for the whole province

The province shares Argentina’s ART designation and UTC−3 offset. Because there is no current seasonal clock change, recurring international calls do not shift because of a decision made in Santa Fe. They may still shift when the other participant’s country begins or ends daylight saving time.

Start with the time at the other location. Convert that time to UTC, taking account of any local seasonal rule. Subtract three hours to obtain the time in Santa Fe. Confirm whether the conversion crosses midnight and changes the date.

This method works for every city in the province and avoids relying on a memorized difference that may change elsewhere.

Cities, longitude, and sunrise

Rosario is the province’s largest city and a major urban center on the Paraná River. Santa Fe is the provincial capital. Rafaela, Venado Tuerto, Villa Gobernador Gálvez, and Reconquista are also among the better-known sizable cities in different parts of the province.

All of them keep the same civil time, but dawn is not perfectly synchronized. Sunrise depends on longitude, latitude, and date. Rosario and the capital are relatively close in longitude, while western or northern locations can receive sunrise at a somewhat different clock time.

The length of daylight also changes over the year. The variation is less extreme than in far southern Patagonia, but it remains relevant to commuting, farming, running, and photography. A city-specific sunrise listing is preferable to a general value for the entire province. Astronomical sunrise describes when the Sun reaches the horizon; buildings, trees, river mist, and clouds may delay the moment when it can actually be seen.

Questions and answers

Is Rosario in the same time zone as Santa Fe city?: Yes. Both use Argentina Time at UTC−3.
Are clocks changed seasonally in Santa Fe?: No. Santa Fe currently remains on UTC−3 throughout the year.
Why can two Santa Fe cities have different sunrise times?: They occupy different coordinates, and sunrise is determined by location as well as the date.