When Is The Longest Day 2025. The new york stock exchange (nyse) closes for 10 holidays in 2025, including new year’s day on wednesday, jan. Discover the full list of national and international important days in 2025.
22 december 2025 (14 hours 24 mins 31 sec) the longest night of spring The solstice would be either the longest day or the shortest day of the year because it is the length of the time between sunrise and sunset in the summer and winter respectively.