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

7:01:00 PM

19:01:00

-03 (Argentina Standard 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

Sunrise6:42 AMSolar noon12:46 PMSunset6:51 PM
Clock change statusNo clock changes are scheduled for San Justo in the next 12 monthsView scheduleWeather 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

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

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
12 hr 09 min2 min 9 sec longer than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing GibbousMoon illumination90%
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Wednesday, September 23, 2026

View San Justo on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
12 hr 09 min2 min 9 sec longer than the previous day
Solar noon
(55.6° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waxing Gibbous (90% illuminated)
Moonrise
Moonset
Previous principal phase
First Quarter — Friday, September 18, 2026 at
Next principal phase
Full Moon — Saturday, September 26, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
12 hr 09 min2 min 9 sec longer than the previous day
12 hr 11 min2 min 10 sec longer than the previous day
12 hr 14 min2 min 9 sec longer than the previous day
12 hr 16 min2 min 10 sec longer than the previous day
12 hr 18 min2 min 9 sec longer than the previous day
12 hr 20 min2 min 10 sec longer than the previous day
12 hr 22 min2 min 10 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

  1. Day of Respect for Cultural Diversity
  2. Day of National Sovereignty
  3. Immaculate Conception of Mary

Frequently asked questions

What time zone is San Justo in?
San Justo currently uses Argentina Standard Time (UTC−03:00). 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?
San Justo does not observe daylight saving time in 2026
What is the UTC offset in San Justo right now?
San Justo is currently UTC−03:00