"daylight duration"

#12491729

21 June 2025

People watch the sunset on the summer solstice at Hunters Point South behind the skyline of Midtown Manhattan and the Empire State Building in New York City, USA, on June 20, 2025. According to calculations by the National Astronomical Observatory, the summer solstice occurs on Saturday, June 21, at 2 hours 42 minutes UTC. During this phenomenon, the sun reaches its maximum declination, projecting its light over the maximum geographic latitude on Earth. This astronomical event marks the start of summer in the Northern Hemisphere and winter in the Southern Hemisphere. Additionally, the day of the summer solstice corresponds to the longest day of the year, as it is the day on which the sun rises the earliest and sets the latest.

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