Length of Days in San Juan
We show daylight length in San Juan during 2023 and the equinoxes and solstices. From June 1, 2023 until June 20, 2023, daylight becomes longer. From June 21, 2023 until December 21, 2023, daylight becomes shorter. From December 22, 2023 until May 30, 2024, daylight becomes longer.
Equation of Time vs Day of the Year
We show the equation of time during 2023. 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 Wednesday, September 13 2023.
The day with the highest positive value is Monday, June 5 2023.
Apparent solar time and mean solar time are of the same length on the following days of the year:
- Thursday, January 12 2023 (Day 12)
- Monday, April 3 2023 (Day 93)
- Thursday, July 27 2023 (Day 208)
- Wednesday, November 15 2023 (Day 319)
Schedule of Solar Events
Time of sunrise, sunset, dawn and dusk in San Juan during 2023.
