Sunrise and sunset in Río Blanco, Mexico

Today’s sunrise, sunset and twilight in Río Blanco, in local time. At 18.8° N, the day lasts from 11 h 00 min at the winter solstice to 13 h 16 min at the summer solstice.

  • 17:57sunset today
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Today · worked out at

In Río Blanco, Mexico on Tuesday, October 27, the Sun rises at 06:26 and sets at 17:57.

Day length 11 h 31 min, 57 s shorter than yesterday.

Solar noon at 12:12, with the Sun 58° above the horizon.

Times are Río Blanco time (CST).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight05:1219:11
Nautical twilight05:3818:46
Civil twilight06:0418:20
Sunrise and sunset06:2617:57
Golden hour06:26–06:5617:28–17:57

Each twilight begins at the morning time and ends at the evening one.

The year in Río Blanco

  • Longest day: June 21, 13 h 16 min, from sunrise at 05:52 to sunset at 19:08.
  • Shortest day: December 21, 11 h 00 min, from sunrise at 06:56 to sunset at 17:56.

Sunrise and sunset on the 21st of each month, 2026

DateSunriseSunsetDay length
January 2107:0418:1511 h 11 min
February 2106:5318:3111 h 39 min
March 2106:3118:3912 h 08 min
April 2106:0718:4712 h 41 min
May 2105:5218:5813 h 06 min
June 2105:5219:0813 h 16 min
July 2106:0219:0713 h 06 min
August 2106:1118:5112 h 40 min
September 2106:1718:2512 h 08 min
October 2106:2418:0111 h 37 min
November 2106:3917:4911 h 11 min
December 2106:5617:5611 h 00 min

Good to know

  • Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
  • Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
  • Worked out when the page loads from NOAA’s solar equations, for 18.8° N, 97.2° W, and accurate to about a minute.

How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets

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