Cliff Arnall, lecturer in the Department of Lifelong Learning at Cardiff University, Wales, announced in 2005 that May 18 was the best date in the year on which to make a resolution. He calculated this using a formula which took into account the factors of motivation, opportunity, proximity to a Bank Holiday, increasing hours of daylight, reflection time and success.

Check out all the cool things that happened on my birthday… you might even want to check out your own :)