Rialto
Sunrise and sunset in Rialto
Today’s sunrise, sunset and twilight in Rialto, in local time. At 34.1° N, the day lasts from 9 h 53 min at the winter solstice to 14 h 26 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 06:59, sunset at 18:07.
Day length 11 h 08 min, 2 min 0 s shorter than yesterday.
Solar noon at 12:34, with the Sun 45° above the horizon.
Times are Rialto time (PDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:36 | 19:31 |
| Nautical twilight | 06:05 | 19:02 |
| Civil twilight | 06:34 | 18:33 |
| Sunrise and sunset | 06:59 | 18:07 |
| Golden hour | 06:59–07:33 | 17:33–18:07 |
Each twilight begins at the morning time and ends at the evening one.
The year in Rialto
- Longest day: June 21, 14 h 26 min, from sunrise at 05:38 to sunset at 20:04.
- Shortest day: December 21, 9 h 53 min, from sunrise at 06:51 to sunset at 16:44.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:52 | 17:09 | 10 h 16 min |
| February 21 | 06:27 | 17:39 | 11 h 11 min |
| March 21 | 06:51 | 19:02 | 12 h 11 min |
| April 21 | 06:10 | 19:25 | 13 h 15 min |
| May 21 | 05:43 | 19:48 | 14 h 05 min |
| June 21 | 05:38 | 20:04 | 14 h 26 min |
| July 21 | 05:53 | 19:58 | 14 h 05 min |
| August 21 | 06:15 | 19:29 | 13 h 14 min |
| September 21 | 06:37 | 18:47 | 12 h 10 min |
| October 21 | 06:59 | 18:07 | 11 h 08 min |
| November 21 | 06:28 | 16:42 | 10 h 15 min |
| December 21 | 06:51 | 16:44 | 9 h 53 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 34.1° N, 117.4° 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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