12-Hour Shift Calculator

Start with a 7 AM to 7 PM shift and adjust times or breaks as needed.

Examples:
Shift details
Breaks

Total worked

Breakdown

Elapsed
Breaks
Net worked

This result is a mathematical estimate based only on the values entered.

How it is calculated

Net shift = 12-hour elapsed duration − entered breaks.

The preset is twelve hours, but all fields remain adjustable.

Worked example

Day 12: 12h 00m

Important cases

  • Overnight 12-hour shifts cross midnight automatically.
  • Breaks may reduce the net result below twelve hours.