To Remember which months have 31 days and which have 30 days, clench your hands to fists and put them together. You can count the twelve months from a knuckle on your left.

Many have noted that a yearly cycle would be much simpler if each month were exactly 30 days, thus in twelve months there would be 360 days. Could it have been more regular in the beginning?

You can see the results of the project at the 31 Days to Building a Better Blog Summary Page where I list both my posts and those written by readers.

UPDATE: This page is for the 31 Days to Build a Better Blog project that I ran in 2007. You can get a much more updated version ... Links, Backlinks, Pingbacks and Trackbacks – What Exactly Are They?

But (4) is wrong: it is frequently true that the current month has exactly 31 days -- Jan, Mar, May, Jul, Aug, Oct, Dec -- more than half the months have exactly 31 days.

These shifts are not exactly proportional to the elapsed time, so you cannot, for example, multiply everything by 10 to get the ... [425] Why do some months have 31 days but other months do not?

Three months ago, I broke down and bought a Kaplan GRE 2009 ... Today, exactly 31 days until I take the GRE, I tried to log on to the online syllabus again. That's where the trouble started.

How does a human calculator do it? ... Root of all easy: Lemaire did this sum in 2004 in less than four seconds ... Fancy yourself as a bit of mental arithmetics buff, one of those who relishes totting

Skellie 31 Days to Becoming a Better Blogger ... It’s a lot harder to put off writing a post when you know exactly when your blog is due for an update. Working out an editorial calendar can help

Similar to the 31 Days to a Better Blog challenge from last year, but focused on commenting (obviously). ... let’s recognize someone who’s been doing this for less than 6 months or even 3 months.