[jerry80]

It appears to have 30 days in October and 31 days in November.

[huhtenberg]

Sorry about that. The perils of artisanal calendaring.

https://i.imgur.com/AoH5A67.png

[jerry80]

I think you're missing August 13th. As the other commenter pointed out, 13*28 = 264.

[huhtenberg]

I think you may have a point.

Not that big of a deal though. I have nothing planned for that day :)

[MinimalAction]

Thanks, you found it! I was going nuts.