What Date Is Blue Monday 2025 Calendar. Although blue monday isn’t officially a holiday—at least not one that people would want to celebrate—it does have the dubious distinction of being one of the most depressing days of the year. Blue monday, observed on the third monday of january, is an intriguing date in our calendar.

Here’s all the 2025 wellbeing dates you’ll need to place a great workplace activity or programme. It’s often referred to as the most depressing day of the year.