Sunrise and Sunset times in San Isidro, Argentina 
San Isidro
Buenos Aires
Time zone: America/Argentina/Buenos_Aires, UTC -3 h.
Latitude: -34.4721, Longitude: -58.5271
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 08:01:24 | 12:58:05 | 17:54:47 | 9h 53m 23s |
| 2025-Jul-02, Wednesday | 08:01:20 | 12:58:16 | 17:55:13 | 9h 53m 53s |
| 2025-Jul-03, Thursday | 08:01:14 | 12:58:27 | 17:55:40 | 9h 54m 26s |
| 2025-Jul-04, Friday | 08:01:07 | 12:58:38 | 17:56:09 | 9h 55m 2s |
| 2025-Jul-05, Saturday | 08:00:59 | 12:58:48 | 17:56:38 | 9h 55m 39s |
| 2025-Jul-06, Sunday | 08:00:48 | 12:58:58 | 17:57:08 | 9h 56m 20s |
| 2025-Jul-07, Monday | 08:00:37 | 12:59:08 | 17:57:39 | 9h 57m 2s |
| 2025-Jul-08, Tuesday | 08:00:23 | 12:59:17 | 17:58:11 | 9h 57m 48s |
| 2025-Jul-09, Wednesday | 08:00:08 | 12:59:26 | 17:58:44 | 9h 58m 36s |
| 2025-Jul-10, Thursday | 07:59:51 | 12:59:34 | 17:59:18 | 9h 59m 27s |
| 2025-Jul-11, Friday | 07:59:33 | 12:59:42 | 17:59:52 | 10h 0m 19s |
| 2025-Jul-12, Saturday | 07:59:13 | 12:59:50 | 18:00:27 | 10h 1m 14s |
| 2025-Jul-13, Sunday | 07:58:51 | 12:59:57 | 18:01:03 | 10h 2m 12s |
| 2025-Jul-14, Monday | 07:58:28 | 13:00:03 | 18:01:39 | 10h 3m 11s |
| 2025-Jul-15, Tuesday | 07:58:03 | 13:00:09 | 18:02:16 | 10h 4m 13s |
| 2025-Jul-16, Wednesday | 07:57:36 | 13:00:15 | 18:02:54 | 10h 5m 18s |
| 2025-Jul-17, Thursday | 07:57:08 | 13:00:20 | 18:03:32 | 10h 6m 24s |
| 2025-Jul-18, Friday | 07:56:38 | 13:00:24 | 18:04:11 | 10h 7m 33s |
| 2025-Jul-19, Saturday | 07:56:07 | 13:00:28 | 18:04:50 | 10h 8m 43s |
| 2025-Jul-20, Sunday | 07:55:34 | 13:00:32 | 18:05:29 | 10h 9m 55s |
| 2025-Jul-21, Monday | 07:55:00 | 13:00:34 | 18:06:09 | 10h 11m 9s |
| 2025-Jul-22, Tuesday | 07:54:24 | 13:00:37 | 18:06:50 | 10h 12m 26s |
| 2025-Jul-23, Wednesday | 07:53:46 | 13:00:38 | 18:07:30 | 10h 13m 44s |
| 2025-Jul-24, Thursday | 07:53:07 | 13:00:39 | 18:08:11 | 10h 15m 4s |
| 2025-Jul-25, Friday | 07:52:27 | 13:00:40 | 18:08:53 | 10h 16m 26s |
| 2025-Jul-26, Saturday | 07:51:45 | 13:00:40 | 18:09:34 | 10h 17m 49s |
| 2025-Jul-27, Sunday | 07:51:01 | 13:00:39 | 18:10:16 | 10h 19m 15s |
| 2025-Jul-28, Monday | 07:50:17 | 13:00:38 | 18:10:58 | 10h 20m 41s |
| 2025-Jul-29, Tuesday | 07:49:30 | 13:00:36 | 18:11:41 | 10h 22m 11s |
| 2025-Jul-30, Wednesday | 07:48:43 | 13:00:33 | 18:12:23 | 10h 23m 40s |
| 2025-Jul-31, Thursday | 07:47:54 | 13:00:30 | 18:13:06 | 10h 25m 12s |
San Isidro on Argentina map:
Cities in the same time zone America/Argentina/Buenos_Aires
Buenos Aires (Buenos Aires, Ciudad Autónoma de), La Plata (Buenos Aires), Mar del Plata (Buenos Aires), Bahia Blanca (Buenos Aires), San Nicolas de los Arroyos (Buenos Aires), Tandil (Buenos Aires), Zarate (Buenos Aires), Pergamino (Buenos Aires), Olavarria (Buenos Aires), Junin (Buenos Aires), Lujan (Buenos Aires), Campana (Buenos Aires), Necochea (Buenos Aires), Viedma (Río Negro), Punta Alta (Buenos Aires), Chivilcoy (Buenos Aires), Azul (Buenos Aires), Mercedes (Buenos Aires), Tres Arroyos (Buenos Aires), Nueve de Julio (Buenos Aires), Chacabuco (Buenos Aires), Coronel Suarez (Buenos Aires), Dolores (Buenos Aires), Lincoln (Buenos Aires), Veinticinco de Mayo (Buenos Aires), Chascomus (Buenos Aires), Balcarce (Buenos Aires), Lobos (Buenos Aires), Mar de Ajo (Buenos Aires), Benito Juarez (Buenos Aires)
Largest Populated Areas in Argentina
Buenos Aires (Buenos Aires, Ciudad Autónoma de), Cordoba (Córdoba), Rosario (Santa Fe), Mendoza (Mendoza), San Miguel de Tucuman (Tucumán), La Plata (Buenos Aires), Mar del Plata (Buenos Aires), Salta (Salta), Santa Fe (Santa Fe), San Juan (San Juan), San Luis (San Luis), Resistencia (Chaco), Posadas (Misiones), Santiago del Estero (Santiago del Estero), Corrientes (Corrientes), San Salvador de Jujuy (Jujuy), Bahia Blanca (Buenos Aires), Parana (Entre Ríos), Neuquen (Neuquén), Formosa (Formosa), San Fernando del Valle de Catamarca (Catamarca), La Rioja (La Rioja), Rio Cuarto (Córdoba), Concordia (Entre Ríos), Comodoro Rivadavia (Chubut), San Nicolas de los Arroyos (Buenos Aires), San Martin (Mendoza), Santa Rosa (La Pampa), San Rafael (Mendoza), Tandil (Buenos Aires)
Daylight Hours FAQ: 10 Most Googled Questions Answered
1. What are daylight hours?
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
2. Why are days shorter in winter and longer in summer?
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
3. When is the longest day of the year?
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
4. When is the shortest day of the year?
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
5. How does latitude affect daylight hours?
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
7. When are day and night equal?
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
How fast do days lengthen/shorten?
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
9. Where can I check daylight hours for my city?
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
10. Does daylight affect health?
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks