Sunrise and Sunset times in El Rosario, Chile 
El Rosario
Biobío
Time zone: America/Santiago, UTC -4 h.
Latitude: -36.7746, Longitude: -72.9016
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 07:55:37 | 12:49:32 | 17:43:27 | 9h 47m 50s |
| 2025-Jun-02, Monday | 07:56:14 | 12:49:42 | 17:43:09 | 9h 46m 55s |
| 2025-Jun-03, Tuesday | 07:56:51 | 12:49:52 | 17:42:52 | 9h 46m 1s |
| 2025-Jun-04, Wednesday | 07:57:26 | 12:50:02 | 17:42:38 | 9h 45m 12s |
| 2025-Jun-05, Thursday | 07:58:00 | 12:50:13 | 17:42:25 | 9h 44m 25s |
| 2025-Jun-06, Friday | 07:58:33 | 12:50:24 | 17:42:14 | 9h 43m 41s |
| 2025-Jun-07, Saturday | 07:59:05 | 12:50:35 | 17:42:04 | 9h 42m 59s |
| 2025-Jun-08, Sunday | 07:59:36 | 12:50:46 | 17:41:57 | 9h 42m 21s |
| 2025-Jun-09, Monday | 08:00:06 | 12:50:58 | 17:41:51 | 9h 41m 45s |
| 2025-Jun-10, Tuesday | 08:00:34 | 12:51:10 | 17:41:46 | 9h 41m 12s |
| 2025-Jun-11, Wednesday | 08:01:01 | 12:51:22 | 17:41:43 | 9h 40m 42s |
| 2025-Jun-12, Thursday | 08:01:27 | 12:51:35 | 17:41:42 | 9h 40m 15s |
| 2025-Jun-13, Friday | 08:01:52 | 12:51:47 | 17:41:43 | 9h 39m 51s |
| 2025-Jun-14, Saturday | 08:02:15 | 12:52:00 | 17:41:45 | 9h 39m 30s |
| 2025-Jun-15, Sunday | 08:02:37 | 12:52:13 | 17:41:49 | 9h 39m 12s |
| 2025-Jun-16, Monday | 08:02:57 | 12:52:26 | 17:41:55 | 9h 38m 58s |
| 2025-Jun-17, Tuesday | 08:03:16 | 12:52:39 | 17:42:02 | 9h 38m 46s |
| 2025-Jun-18, Wednesday | 08:03:34 | 12:52:52 | 17:42:10 | 9h 38m 36s |
| 2025-Jun-19, Thursday | 08:03:50 | 12:53:05 | 17:42:20 | 9h 38m 30s |
| 2025-Jun-20, Friday | 08:04:04 | 12:53:18 | 17:42:32 | 9h 38m 28s |
| 2025-Jun-21, Saturday | 08:04:17 | 12:53:31 | 17:42:45 | 9h 38m 28s |
| 2025-Jun-22, Sunday | 08:04:28 | 12:53:44 | 17:43:00 | 9h 38m 32s |
| 2025-Jun-23, Monday | 08:04:38 | 12:53:57 | 17:43:16 | 9h 38m 38s |
| 2025-Jun-24, Tuesday | 08:04:46 | 12:54:10 | 17:43:34 | 9h 38m 48s |
| 2025-Jun-25, Wednesday | 08:04:53 | 12:54:23 | 17:43:53 | 9h 39m 0s |
| 2025-Jun-26, Thursday | 08:04:58 | 12:54:35 | 17:44:13 | 9h 39m 15s |
| 2025-Jun-27, Friday | 08:05:01 | 12:54:48 | 17:44:35 | 9h 39m 34s |
| 2025-Jun-28, Saturday | 08:05:02 | 12:55:00 | 17:44:58 | 9h 39m 56s |
| 2025-Jun-29, Sunday | 08:05:02 | 12:55:12 | 17:45:22 | 9h 40m 20s |
| 2025-Jun-30, Monday | 08:05:00 | 12:55:24 | 17:45:47 | 9h 40m 47s |
El Rosario on Chile map:
Cities in the same time zone America/Santiago
Concepcion (Biobío), Vina del Mar (Valparaíso), Antofagasta (Antofagasta), Talcahuano (Biobío), Temuco (Araucanía), San Bernardo (Región Metropolitana), Rancagua (Libertador General Bernardo O’Higgins), Iquique (Tarapacá), Talca (Maule), Arica (Arica y Parinacota), Puerto Montt (Los Lagos), Coquimbo (Coquimbo), Valdivia (Los Ríos), La Serena (Coquimbo), Osorno (Los Lagos), Chillan , Los Angeles (Biobío), Calama (Antofagasta), Copiapo (Atacama), Punta Arenas (Magallanes y de la Antártica Chilena), Curico (Maule), San Antonio (Valparaíso), Coronel (Biobío), Linares (Maule), Quillota (Valparaíso), Ovalle (Coquimbo), San Fernando (Libertador General Bernardo O’Higgins), San Felipe (Valparaíso), Los Andes (Valparaíso), Lota (Biobío)
Largest Populated Areas in Chile
Santiago (Región Metropolitana), Concepcion (Biobío), Valparaiso (Valparaíso), Vina del Mar (Valparaíso), Antofagasta (Antofagasta), Talcahuano (Biobío), Temuco (Araucanía), San Bernardo (Región Metropolitana), Rancagua (Libertador General Bernardo O’Higgins), Iquique (Tarapacá), Talca (Maule), Arica (Arica y Parinacota), Puerto Montt (Los Lagos), Coquimbo (Coquimbo), Valdivia (Los Ríos), La Serena (Coquimbo), Osorno (Los Lagos), Chillan , Los Angeles (Biobío), Calama (Antofagasta), Copiapo (Atacama), Punta Arenas (Magallanes y de la Antártica Chilena), Curico (Maule), San Antonio (Valparaíso), Coronel (Biobío), Linares (Maule), Quillota (Valparaíso), Ovalle (Coquimbo), San Fernando (Libertador General Bernardo O’Higgins), San Felipe (Valparaíso)
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