[BeetleB]

> I wrote a script to apply that template to every week and month of the year. Hence $ ls ~/org/weeks/ returns the following:

You don't need this - you can use Org's capture templates with datetree type. It will then have it all in one file with appropriate headings.

Tip I didn't realize for years: Sometimes you forget to log it on the day intended (e.g. for the post-month you log it 5 days after the new month when you should have done it on the 1st day). Prefix your capture command with C-1, and it will prompt you for the date to file it as.