What time zone is San Justo in?

San Justo uses Argentina Time (ART, UTC−3) all year. Its IANA time zone is America/Argentina/Buenos_Aires.

Does San Justo observe daylight saving time?

No. San Justo uses ART (UTC−3) all year.

Current Time in San Justo, Partido de La Matanza, Buenos Aires, Argentina

10:49:49 AM

10:49:49

Sunday, November 1, 2026

ART (Argentina Time) · UTC−03:00

America/Argentina/Buenos_Aires

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Time zone details

San Justo does not observe daylight saving time in 2026

Daylight in San Justo

Sunrise5:52 AMSolar noon12:37 PMSunset7:23 PM

Clock change statusNo clock changes are scheduled for San Justo in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: Argentina
Administrative area: Buenos Aires
District: Partido de La Matanza
Place type: City or town
Country currency: Argentine Peso (ARS)

Practical

Country languages: Spanish, English, Italian, German, French, Guarani
Dialing code: +54
Population: 105,274
Elevation: Approximately 29 m (DEM estimate)

Geography

Geographic coordinates: 34° 40' S / 58° 33' W

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Clock changes in San Justo

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Clock changes worldwide

Sun & Moon details

Sunrise: 5:52 AM
Solar noon: 12:37 PM
Sunset: 7:23 PM
Daylight duration: 13 hr 31 min1 min 57 sec longer than the previous day

Civil twilight: 5:25 AM – 7:50 PM
Nautical twilight: 4:53 AM – 8:22 PM
Astronomical twilight: 4:19 AM – 8:56 PM

Third QuarterMoon illumination53%

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Sunday, November 1, 2026

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Sun

Sunrise: 5:52 AM (east, 108.3°)
Sunset: 7:23 PM (west, 251.5°)
Day length: 13 hr 31 min1 min 57 sec longer than the previous day
Solar noon: 12:37 PM (69.9° altitude)

Civil twilight

Dawn to dusk: 5:25 AM – 7:50 PM

Additional twilight

Nautical dawn to dusk: 4:53 AM – 8:22 PM
Astronomical dawn to dusk: 4:19 AM – 8:56 PM

Moon

Phase: Third Quarter (53% illuminated)
Moonrise: 1:30 AM (northeast, 62.3°)
Moonset: 11:45 AM (northwest, 295.3°)
Previous principal phase: Full Moon — Monday, October 26, 2026 at 1:12 AM
Next principal phase: Third Quarter — Sunday, November 1, 2026 at 5:28 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Sunday, November 1	5:52 AM	7:23 PM	13 hr 31 min	1 min 57 sec longer than the previous day
Monday, November 2	5:51 AM	7:24 PM	13 hr 33 min	1 min 56 sec longer than the previous day
Tuesday, November 3	5:50 AM	7:25 PM	13 hr 35 min	1 min 54 sec longer than the previous day
Wednesday, November 4	5:49 AM	7:26 PM	13 hr 37 min	1 min 54 sec longer than the previous day
Thursday, November 5	5:48 AM	7:27 PM	13 hr 39 min	1 min 53 sec longer than the previous day
Friday, November 6	5:47 AM	7:28 PM	13 hr 41 min	1 min 52 sec longer than the previous day
Saturday, November 7	5:46 AM	7:29 PM	13 hr 43 min	1 min 50 sec longer than the previous day

Weather forecast for San Justo

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Plan around San Justo

Upcoming national public holidays in Argentina

Mon, Nov 23, 2026Day of National Sovereignty
Tue, Dec 8, 2026Immaculate Conception of Mary
Fri, Dec 25, 2026Christmas Day

Nearby places

Browse places in Argentina

Frequently asked questions

What time zone is San Justo in?: San Justo uses Argentina Time (ART, UTC−3) all year. Its IANA time zone is America/Argentina/Buenos_Aires.
When is the next clock change in San Justo?: No clock changes are scheduled for San Justo in the next 12 months
Does San Justo observe daylight saving time?: No. San Justo uses ART (UTC−3) all year.
What is the UTC offset of San Justo?: San Justo is UTC−3 all year