Human readable date in vim outliner calender

I created a small Perl program to convert relative dates to absolute dates in the format that I use for my calendar. My current calendar file looks like this. 2008 08 2008-08-12 2008-08-13 09 2008-09-10 ... If I want to add a date and I don’t know the actual numbers, I can use the following program to convert the date. It will also respect the whitespace in front of the text....

August 18, 2008