Add up working hours across days from start and end times and breaks, with overtime and pay.
If the end time is earlier than the start time, it counts as an overnight shift.
Enter the break in minutes and it is taken out of that day's hours.
If the end is earlier than the start, it counts as an overnight shift.
Yes, use Add day.
No. Everything is worked out in your browser and nothing you type is sent to a server.