What Date Is Blue Monday 2025 Calendar. In 2025, blue monday will be observed on january 20th. It is has been observed the fourth monday in january (2005 to 2007) | the third monday in january (2008 to 2010) | the fourth monday in january (2011) | the.

The meaning of this day is filled with controversy because it is supposedly the saddest day of the year. While the term was coined for marketing purposes and isn’t scientifically supported, it has become a symbolic.