Sunrise and Sunset times in Piedras Negras, Mexico 
Piedras Negras
Coahuila de Zaragoza
Time zone: America/Monterrey, UTC -6 h.
Latitude: 28.7076, Longitude: -100.532
139 619 people
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 05:47:55 | 12:46:08 | 19:44:20 | 13h 56m 25s |
| 2025-Jul-02, Wednesday | 05:48:19 | 12:46:19 | 19:44:19 | 13h 56m 0s |
| 2025-Jul-03, Thursday | 05:48:43 | 12:46:30 | 19:44:17 | 13h 55m 34s |
| 2025-Jul-04, Friday | 05:49:08 | 12:46:40 | 19:44:13 | 13h 55m 5s |
| 2025-Jul-05, Saturday | 05:49:34 | 12:46:51 | 19:44:08 | 13h 54m 34s |
| 2025-Jul-06, Sunday | 05:50:00 | 12:47:01 | 19:44:01 | 13h 54m 1s |
| 2025-Jul-07, Monday | 05:50:28 | 12:47:10 | 19:43:53 | 13h 53m 25s |
| 2025-Jul-08, Tuesday | 05:50:55 | 12:47:19 | 19:43:44 | 13h 52m 49s |
| 2025-Jul-09, Wednesday | 05:51:24 | 12:47:28 | 19:43:33 | 13h 52m 9s |
| 2025-Jul-10, Thursday | 05:51:53 | 12:47:37 | 19:43:21 | 13h 51m 28s |
| 2025-Jul-11, Friday | 05:52:22 | 12:47:44 | 19:43:07 | 13h 50m 45s |
| 2025-Jul-12, Saturday | 05:52:52 | 12:47:52 | 19:42:52 | 13h 50m 0s |
| 2025-Jul-13, Sunday | 05:53:22 | 12:47:59 | 19:42:36 | 13h 49m 14s |
| 2025-Jul-14, Monday | 05:53:53 | 12:48:05 | 19:42:18 | 13h 48m 25s |
| 2025-Jul-15, Tuesday | 05:54:24 | 12:48:11 | 19:41:58 | 13h 47m 34s |
| 2025-Jul-16, Wednesday | 05:54:56 | 12:48:17 | 19:41:38 | 13h 46m 42s |
| 2025-Jul-17, Thursday | 05:55:27 | 12:48:22 | 19:41:16 | 13h 45m 49s |
| 2025-Jul-18, Friday | 05:56:00 | 12:48:26 | 19:40:52 | 13h 44m 52s |
| 2025-Jul-19, Saturday | 05:56:32 | 12:48:30 | 19:40:28 | 13h 43m 56s |
| 2025-Jul-20, Sunday | 05:57:05 | 12:48:33 | 19:40:01 | 13h 42m 56s |
| 2025-Jul-21, Monday | 05:57:38 | 12:48:36 | 19:39:34 | 13h 41m 56s |
| 2025-Jul-22, Tuesday | 05:58:11 | 12:48:38 | 19:39:05 | 13h 40m 54s |
| 2025-Jul-23, Wednesday | 05:58:44 | 12:48:40 | 19:38:35 | 13h 39m 51s |
| 2025-Jul-24, Thursday | 05:59:18 | 12:48:41 | 19:38:03 | 13h 38m 45s |
| 2025-Jul-25, Friday | 05:59:51 | 12:48:41 | 19:37:30 | 13h 37m 39s |
| 2025-Jul-26, Saturday | 06:00:25 | 12:48:41 | 19:36:56 | 13h 36m 31s |
| 2025-Jul-27, Sunday | 06:00:59 | 12:48:40 | 19:36:21 | 13h 35m 22s |
| 2025-Jul-28, Monday | 06:01:33 | 12:48:39 | 19:35:44 | 13h 34m 11s |
| 2025-Jul-29, Tuesday | 06:02:07 | 12:48:36 | 19:35:06 | 13h 32m 59s |
| 2025-Jul-30, Wednesday | 06:02:41 | 12:48:34 | 19:34:27 | 13h 31m 46s |
| 2025-Jul-31, Thursday | 06:03:15 | 12:48:31 | 19:33:46 | 13h 30m 31s |
Piedras Negras on Mexico map:
Cities in the same time zone America/Monterrey
Monterrey (Nuevo León), Torreon (Coahuila de Zaragoza), Tampico (Tamaulipas), Saltillo (Coahuila de Zaragoza), Heroica Matamoros (Tamaulipas), Reynosa (Tamaulipas), Durango (Durango), Gomez Palacio (Durango), Nuevo Laredo (Tamaulipas), Ciudad Victoria (Tamaulipas), Monclova (Coahuila de Zaragoza), Ciudad Madero (Tamaulipas), Ciudad Mante (Tamaulipas), Linares (Nuevo León), San Pedro (Coahuila de Zaragoza), Montemorelos (Nuevo León), Nueva Rosita (Coahuila de Zaragoza), Parras de la Fuente (Coahuila de Zaragoza), Ciudad Sabinas Hidalgo (Nuevo León), San Fernando (Tamaulipas), San Miguel de Papasquiaro (Durango), Allende (Coahuila de Zaragoza), Aldama (Tamaulipas), Canatlan (Durango), Ciudad Tula (Tamaulipas), Cuencame de Ceniceros (Durango), Rancho Lermitas (Nuevo León), San Geronimo (Nuevo León), Miquihuana (Tamaulipas), La Presa (Tamaulipas)
Largest Populated Areas in Mexico
Mexico City (Ciudad de México), Guadalajara (Jalisco), Monterrey (Nuevo León), Puebla (Puebla), Tijuana (Baja California), Toluca (México), Leon de los Aldama (Guanajuato), Juarez (Chihuahua), Torreon (Coahuila de Zaragoza), Ciudad Nezahualcoyotl (México), San Luis Potosi (San Luis Potosí), Merida (Yucatán), Queretaro (Querétaro), Mexicali (Baja California), Aguascalientes (Aguascalientes), Tampico (Tamaulipas), Cuernavaca (Morelos), Culiacan (Sinaloa), Chihuahua (Chihuahua), Saltillo (Coahuila de Zaragoza), Acapulco de Juarez (Guerrero), Morelia (Michoacán de Ocampo), Hermosillo (Sonora), Veracruz (Veracruz), Cancun (Quintana Roo), Heroica Matamoros (Tamaulipas), Oaxaca (Oaxaca), Tlaxcala (Tlaxcala), Mazatan (Sonora), Reynosa (Tamaulipas)
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