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dguest 5 days ago

Wait so one day over the new year is

2025-01-01 - 2024-12-31 = 20250101 - 20241231 = 8870

i.e. 90 months and 10 days

or 7 years 6 months and 10 days

How is that the same thing as one day?

FigurativeVoid 2 days ago | parent | next [-]

Oh it never worked. It was bad design by someone who was well meaning, but inexperienced.

All these issues were resolved, usually, by parsing the date into a proper Date class.

cortesoft 4 days ago | parent | prev | next [-]

It is even worse than that, each month boundary breaks it, too:

2025-02-01 - 2025-01-31 = 20250201 - 20250131 = 70

rootsu 4 days ago | parent | prev [-]

They might be subtracting taking first 4 digits and the subtracing yyyy-yyyy, mm-mm and dd-dd.

	▲	dguest 4 days ago \| parent [-]
		Which sort of works, but then you also have to deal with the cases where the days or months go negative (at the month and year bounds), and that also involves knowing how many days there are in each month. It's pretty difficult for me to imagine how this could be easier than just converting to e.g. unix time and subtracting seconds.