Mad as a Hatter

This is kind of out there, but bear with me...

There are 52 weeks in a year.

There are also 52 cards in a deck.

The latter is important because it tells us something. There are 4 suits in a deck. 52 is evenly divisible by 4.

In fact, 4 * 13 = 52.

So...

If we had 13 months, each one would be exactly 4 weeks (28 days) long. Every month would start on Sunday. The 8th of every month would also be Sunday. You'd know exactly what day of the week every day of the month would be, and it would be the same for every single month in the year. You also wouldn't have to sit there trying to remember if this month has 30 days or 31.

While we're at it, we could rename the months so that they'd make sense. We wouldn't have to have October (latin for "8th month) as the 10th month of the year.

Everything would be so much simpler.

Now, of course, there are 7 days in a week. 52 * 7 = 364. This would leave us with one extra day.

... Yay!

*poof* New Year's Day is now an international holiday, set aside for fun and celebration, not part of any month.

Look at that. Months neatly organized. Days that make sense. The same weeks everyone's used to, and we get a free holiday out of it!

Now, if only there was any actual chance of convincing the world to go metric...