Original Commentary

I was going mention it being Wednesday, but I decided that it made more sense for them to notice that they had no groceries on Monday. Why didn't they notice that the numbers don't match the days of the week? Or that it's last year's calendar? Brisbane's just not that observant sometimes - Isabel

Modern Commentary
As a reminder, that's the 2006 chore calendar and this comic originally ran in the middle of 2007. And that's not one of those 18-month calendars.

No wonder Sofia was able to get away with skipping the grocery shopping and maybe pocketing the money.- Terrence