Winter 2024 Date Usa Calendar. Winter 2024 starts on saturday, december 21st in the northern hemisphere, with the first day of winter being the shortest daylight day of the year with the earth's axis having reached its furthest tilt away from the sun and begins to change directiion back. Us has a total of 551 holidays in 2024.

These dates may be modified as official changes are announced, so please check back regularly for updates. In the table below, you will find the details of the holidays and when they are observed.