Cliff Arnall, a psychologist and former tutor at Cardiff University has come up with an equation to calculate the happiest day of the year
. Guess what? It's today. According to Arnall the feeling of optimism caused by the combination of lighter evenings, the prospect of holidays and memories of childhood summers is at its peak on June 20. So remember as you sit at work today and stare at the clock, wondering if time somehow slows down while you are in this brick and mortar coffin, wasting the best years of your life, it's never going to get better than it is right now.