Working time logging looks simple until a company has to manage it consistently. At first, the formula seems obvious: an employee starts working, stops working and the difference between the two becomes the number of hours worked.
Real organisations quickly discover that the calculation is only one part of the process. There may be ordinary working time or summarised working time. Daily and weekly limits can matter. Employees need adequate rest. Some work may happen at night, during overtime or on public holidays. Breaks need to be handled according to company policy.
The difficulty is consistency
The difficulty is not any single rule. The difficulty is applying many rules consistently over time.
This is where manually maintained spreadsheets become increasingly fragile. Business logic becomes hidden inside formulas, exceptions are handled manually and only a few people understand how the final result was produced.
A workforce system allows the rules to become part of the process itself. That creates consistency and reduces the amount of knowledge that has to live inside one employee’s spreadsheet.
Working time will always contain complexity. The goal of good software is not to pretend that complexity does not exist. The goal is to manage it without making the user’s everyday work complicated.