How to calculate late-night and overtime hours in Excel attendance sheets: Pitfalls of overnight shifts, 15-minute rounding, and exceeding 24 hours

Suppose that at the end of the month, you enter your start time, end time, and break time into an Excel attendance sheet ...

The government knows my taxes, so why do they make me calculate them?

Japan's tax system: only the tax collection side has become smarterThe National Tax Agency's system is getting smarter ...