Shortest Day Longest Night 2024 India. The solstices, which mark the changing of seasons, occur twice a year and indicate the year’s shortest and longest daylight. This event marks the sun's northernmost position in relation to earth's equator, according to nasa.

The winter solstice has the fewest daylight hours and. Summer solstice, occurring around june 20 or 21, marks the longest day of the year in the northern hemisphere.