Blue Monday debunked: Why a travel agency invented the most depressing day of the year.

Rebecca Ann Hughes   Euronews19 January 2026
The third Monday of January has become known as ‘Blue Monday’, the day of the year people are supposed to feel most depressed.

But it was not a medical expert or mental health charity that termed it as such.

Blue Monday was dreamt up by now-defunct holiday agency Sky Travel in 2005 as a way to sell more holidays.