Daylight

1 article

View of Earth from space showing the Northern Hemisphere tilted towards the sun, symbolizing the summer solstice and the longest day of the year.

Summer Solstice brings Northern Hemisphere its longest day

In London, the summer solstice on June 21 delivers a mere two seconds more daylight than the day after, according to Explainingscience.

Marcus Cole·June 21, 2026