Today is Blue Monday, the most depressing day of the year.
In 2005 British
psychologist Cliff Arnall calculated that the third Monday of January was the
day on which most people feel down.
They struggle with keeping resolutions, the holidays are still a long way off, it's very dark and usually gloomy outside, for many people it's also the first day of the workweek, ...
Later it turned out that all of this was a PR stunt by a travel agency and that they had recruited an academic to promote their idea and thus give it more credibility.