Guidonia
Sunrise and sunset in Guidonia
Today’s sunrise, sunset and twilight in Guidonia, in local time. At 42° N, the day lasts from 9 h 07 min at the winter solstice to 15 h 15 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:28, sunset at 18:18.
Day length 10 h 50 min, 2 min 40 s shorter than yesterday.
Solar noon at 12:53, with the Sun 37° above the horizon.
Times are Guidonia time (GMT+2).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:55 | 19:51 |
| Nautical twilight | 06:27 | 19:19 |
| Civil twilight | 06:59 | 18:46 |
| Sunrise and sunset | 07:28 | 18:18 |
| Golden hour | 07:28–08:06 | 17:40–18:18 |
Each twilight begins at the morning time and ends at the evening one.
The year in Guidonia
- Longest day: June 21, 15 h 15 min, from sunrise at 05:33 to sunset at 20:48.
- Shortest day: December 21, 9 h 07 min, from sunrise at 07:33 to sunset at 16:40.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:31 | 17:09 | 9 h 39 min |
| February 21 | 06:56 | 17:49 | 10 h 53 min |
| March 21 | 06:10 | 18:22 | 12 h 11 min |
| April 21 | 06:19 | 19:56 | 13 h 37 min |
| May 21 | 05:43 | 20:28 | 14 h 45 min |
| June 21 | 05:33 | 20:48 | 15 h 15 min |
| July 21 | 05:51 | 20:38 | 14 h 47 min |
| August 21 | 06:23 | 20:00 | 13 h 38 min |
| September 21 | 06:55 | 19:08 | 12 h 13 min |
| October 21 | 07:28 | 18:18 | 10 h 50 min |
| November 21 | 07:06 | 16:43 | 9 h 37 min |
| December 21 | 07:33 | 16:40 | 9 h 07 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 42° N, 12.7° E, 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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