Date & time calculator

Date & time calculator is a calculator to operate on time and numbers.

Date & time calculator is easy to use.

Calculator
You can do operations on numbers like on a regular calculator,
addition, subtraction, multiplication, division, square root and percentage.

Time calculator
Addition, subtraction, multiplication, division.

Difference date & time
Calculation of the time spent between two dates or two times.
Age calculator
Calculator work time or free time
and much more.

Add or subtract
Addition and subtraction calculator, you can do operations on dates and time values.

Converter
You can convert all time values.

World clock
Time zone.

Stopwatch.

All calculations can be done in years, months, weeks, days, hours, minutes, seconds and milliseconds.

The calculator supports 12h (AM/PM) or 24h time format.