Length of Days in Riyadh
We show daylight length in Riyadh during 2018 and the dates of equinoxes and solstices. From June 1, 2018 until June 20, 2018 daylight becomes longer. From June 21, 2018 until December 21, 2018 daylight becomes shorter. From December 22, 2018 until May 31, 2019 daylight becomes longer.
Equation of Time vs Day of the Year
We show the equation of time during 2018. 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 Friday, September 14 2018.
The day with the highest positive value is Tuesday, June 5 2018.
Apparent solar time and mean solar time are of the same length on the following days of the year:
- Saturday, January 13 2018 (Day 13)
- Tuesday, April 3 2018 (Day 93)
- Saturday, July 28 2018 (Day 209)
- Thursday, November 15 2018 (Day 319)
Schedule of Solar Events
Time of sunrise, sunset, dawn and dusk in Riyadh during 2018.
