You probably didn’t notice it, but we have already passes the most depressing day of the year. According to Dr. Cliff Arnall, a psychologist from Cardiff University in Wales, January 21th was the most depressing day of 2008 for most people. Dr. Arnall has devised a formula to calculate the most depressing day and the happiest day.
To calculate YOUR saddest and happiest day of 2008 and to read more about his research, read this article.
