Wednesday, July 15, 2026 · India
Sunrise and sunset times in Chennai are computed astronomically from latitude 13.08° and longitude 80.27°, shown in IST (UTC+5.5) local time using the standard NOAA solar position algorithm.
The day length on 7/15/2026 in Chennai is 12h 49m. This varies throughout the year — typically longest around the summer solstice (June 21 in the Northern Hemisphere, December 21 in the Southern) and shortest around the winter solstice.
Sunrise and sunset are defined as the moment the upper edge of the sun touches the horizon, accounting for atmospheric refraction. "Civil twilight" begins ~30 minutes before sunrise and ends ~30 minutes after sunset.