Length of Days in Reykjavik
We show daylight length in Reykjavik during 2021 and the equinoxes and solstices. From June 1, 2021 until June 15, 2021, daylight becomes longer. From June 16, 2021 until June 27, 2021, daylight does not vary. From June 28, 2021 until December 21, 2021, daylight becomes shorter. From December 22, 2021 until May 31, 2022, daylight becomes longer.
Equation of Time vs Day of the Year
We show the equation of time during 2021. In the graph, the day of the year in the x axis starting from January, and the difference between mean solar time and apparent solar time in the y axis.
The day with the highest negative value is Monday, September 13 2021.
The day with the highest positive value is Saturday, June 5 2021.
Apparent solar time and mean solar time are of the same length on the following days of the year:
- Tuesday, January 12 2021 (Day 12)
- Saturday, April 3 2021 (Day 93)
- Tuesday, July 27 2021 (Day 208)
- Monday, November 15 2021 (Day 319)
Schedule of Solar Events
Time of sunrise, sunset, dawn and dusk in Reykjavik during 2021.
- From January 1, 2021 until April 8, 2021, night does not occur.
- From January 1, 2021 until April 8, 2021, astronomical Dusk does not occur.
- From January 1, 2021 until April 4, 2021, astronomical Dawn does not occur.
- From January 1, 2021 until April 4, 2021, night does not occur.
- From January 1, 2021 until March 22, 2021, nautical Dusk does not occur.
- From January 1, 2021 until March 17, 2021, nautical Dawn does not occur.
- From January 1, 2021 until March 2, 2021, civil Dusk does not occur.
- From January 1, 2021 until February 22, 2021, civil Dawn does not occur.
