Rathfarnham
Sunrise and sunset in Rathfarnham
Today’s sunrise, sunset and twilight in Rathfarnham, in local time. At 53.3° N, the day lasts from 7 h 30 min at the winter solstice to 17 h 00 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 08:02, sunset at 18:15.
Day length 10 h 13 min, 4 min 3 s shorter than yesterday.
Solar noon at 13:09, with the Sun 26° above the horizon.
Times are Rathfarnham time (GMT+1).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:06 | 20:11 |
| Nautical twilight | 06:46 | 19:31 |
| Civil twilight | 07:27 | 18:51 |
| Sunrise and sunset | 08:02 | 18:15 |
| Golden hour | 08:02–08:52 | 17:26–18:15 |
Each twilight begins at the morning time and ends at the evening one.
The year in Rathfarnham
- Longest day: June 21, 17 h 00 min, from sunrise at 04:57 to sunset at 21:56.
- Shortest day: December 21, 7 h 30 min, from sunrise at 08:38 to sunset at 16:08.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 08:25 | 16:47 | 8 h 22 min |
| February 21 | 07:30 | 17:47 | 10 h 17 min |
| March 21 | 06:25 | 18:40 | 12 h 15 min |
| April 21 | 06:12 | 20:36 | 14 h 24 min |
| May 21 | 05:16 | 21:27 | 16 h 11 min |
| June 21 | 04:57 | 21:56 | 17 h 00 min |
| July 21 | 05:24 | 21:37 | 16 h 13 min |
| August 21 | 06:15 | 20:39 | 14 h 24 min |
| September 21 | 07:09 | 19:26 | 12 h 17 min |
| October 21 | 08:02 | 18:15 | 10 h 13 min |
| November 21 | 08:00 | 16:20 | 8 h 20 min |
| December 21 | 08:38 | 16:08 | 7 h 30 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 53.3° N, 6.3° 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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