Shortest Day In 2025. 21 december 2025 (7 hours 50 mins 1 sec) the shortest night of autumn In 2023, it'll be on june 21 again, but in 2024 and 2025, it'll be on june 22.
In the northern hemisphere, the shortest day of the year 2023 will occur on december 22. This means that solar noon โ the time at which the sun reaches the highest point in the sky โ.