Shortest Day Of The Year 2024 Ireland Weather. The longest day of the year 2024 coincides with the summer solstice, on june 20 in the northern hemisphere and december 21 in the southern hemisphere. December 21st is often considered to be the shortest day of the year and usually the date of winter solstice celebrations.

Daylength in dublin has shortened to just under 7 hours and 30 minutes today. However, as you can see below the 21st is by far the most common.