We show daylight length in San Juan during 2022 and the equinoxes and solstices. From June 1, 2022 until June 20, 2022, daylight becomes longer. From June 21, 2022 until December 21, 2022, daylight becomes shorter. From December 22, 2022 until May 31, 2023, daylight becomes longer.
We show the equation of time during 2022. 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 Tuesday, September 13 2022.
The day with the highest positive value is Sunday, June 5 2022.
Apparent solar time and mean solar time are of the same length on the following days of the year:
Time of sunrise, sunset, dawn and dusk in San Juan during 2022.