this list doesnt look very scientific

Oh no the little Java program I wrote in high school has been replaced by something more sophisticated :kitty-cri-screm:

I think the length of a day was different during the time of the dinosaues

Except 1900 wasn't a leap year and 2100 won't be either.

Let me check :19::84:

No

The Julian calendar system was abandoned after the robot revolution.

Yes and due to the y2k bug that year actually has 367 days