Date Difference & Age Calculator
Count calendar days and completed years between two dates.
Calculate a shift duration, including overnight shifts and unpaid breaks.
Your result will appear here.
Enter your input, then run the tool.Start time (24-hour HH:MM): 09:00 End time (24-hour HH:MM): 17:30 Unpaid break (minutes): 30
Use the labeled units and valid start time (24-hour hh:mm). The Example button supplies a reproducible starting input.
Count calendar days and completed years between two dates.
Convert bits, bytes, GB, MB, and binary storage units instantly.
Estimate transfer time from file size, connection speed, and efficiency.