When Is The Shortest Day Of The Year 2025. On this day, the height of the sun in the sky is the highest. However, as you can see below the 21st is by far the most common.

Though the winter solstice marks the shortest day of each year, it also signals an increase in the amount of sunlight each day for the next six months. In other words, during december solstice it is winter time in the uk, the usa, canada, russia, india and china and it is the shortest day of the year while it is summer time in australia,.