Knuckle calendar

Everyone has time for a little frivolity, sometimes it's silly sometimes it is rooted in practicality, sort of.

Okay, so we have left a short month going into a long month and then going into a short/long month. How can you tell which month have what number of days.

The web site TipNut offers this clever way to remember which months have 31 days and which have 30:

Count the months on your knuckles and the grooves between your knuckles. Leave out your thumb knuckle. Every month that lands on a knuckle is 31 days, every month that lands on a groove between knuckles is 30 days (or 28 for February).

It sounds a bit weird, but it works