We show daylight length in Bangkok during 2025 and the equinoxes and solstices. From June 1, 2025 until June 20, 2025, daylight becomes longer. From June 21, 2025 until December 21, 2025, daylight becomes shorter. From December 22, 2025 until May 31, 2026, daylight becomes longer.
We show the equation of time during 2025. 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 Sunday, September 14 2025.
The day with the highest positive value is Thursday, June 5 2025.
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 Bangkok during 2025.