When Is The Shortest Day Of The Year 2025 Uk. Days will begin to lengthen after this, with more and more hours of light. The actual moment of the solstice in 2024 will occur at 9.21am gmt in the uk, but most people concentrate on the whole solstice day, which has been recognised by holidays and festivals in.
It ends on 20 march 2025 with the spring equinox. Shortest day london (2025 year) 21 december (7 hours 49 mins 14 sec)