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Formosa, Argentina

Formosa Province observes Argentina Time, or UTC−3, throughout the year. It does not use a seasonal daylight-saving clock change.

Formosa, Argentina

Friday, 4 September 2026

UTC−3 · America/Argentina/Cordoba

Time and sun data for Formosa — the largest city of Formosa

The sun in Formosa

Sunrise 07:04 Solar noon 12:53 Sunset 18:43 Daylight 11 h 39 min Night 12 h 21 min Civil twilight 06:40 – 19:06

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Current time in Formosa, Argentina

The official clock is uniform across Formosa, from the capital on the Paraguay River to settlements in the province’s western interior. Argentina Time is three hours behind Coordinated Universal Time and is commonly abbreviated ART.

No adjustment is required when travelling from Formosa into another Argentine province. International journeys across the border require a separate check because neighbouring countries determine their own offsets and seasonal rules.

For calls abroad, UTC−3 is the reliable reference. The difference shown today may not apply in another season if the other participant’s country changes clocks, even though Formosa does not. Formosa keeps one clock from river to interior; the mosquitoes have yet to request their own zone.

Main cities and settlements

Formosa city is the provincial capital and principal urban centre. Clorinda is another major city, situated near the border with Paraguay. Other important centres include Pirané, El Colorado, Las Lomitas, and Ingeniero Juárez.

Formosa city stands on the Paraguay River. Clorinda is in the province’s northeast. Pirané and El Colorado serve the southeastern interior. Las Lomitas is a regional centre farther west. Ingeniero Juárez lies in western Formosa.

These communities are separated by substantial distances, but all display the same civil time. Population rankings may depend on whether a source counts municipal jurisdictions or urban localities; neither method creates a time-zone difference.

A world clock set to Formosa city is suitable for checking the current time anywhere in the province. A sunrise tool should instead use the nearest locality or coordinates because the province extends considerably from east to west.

Sunrise from the Paraguay River westward

Eastern Formosa generally experiences sunrise earlier by the shared clock than the western interior. Official time is uniform, but longitude changes the Sun’s apparent schedule. Latitude and the time of year also affect sunrise, sunset, and total daylight.

Although Formosa does not move its clocks seasonally, solar events still shift from day to day. Summer and winter therefore have different patterns of morning light and evening darkness. Choose the exact town or observing coordinates.

Select the relevant date. Verify that the result is shown in UTC−3. Check whether dawn, sunrise, or first visible sunlight is required. Formosa’s low-lying landscapes may offer a relatively open horizon in some places, but woodland, buildings, mist, and cloud can affect visibility. Astronomical sunrise is calculated independently of those conditions.

For travel on rural roads, the forecast and local conditions remain essential. A sunrise table can estimate the arrival of natural light, but it cannot describe fog, storms, flooding, or obstacles along a route.

Questions and answers

What time zone does Formosa use?
It uses Argentina Time at UTC−3.
Does Formosa observe daylight saving time?
No. Its official offset stays the same throughout the year.
Will sunrise occur at the same clock time across the province?
No. It varies with longitude, latitude, date, and the observer’s horizon.
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