Time Calculator
Add or subtract time values in days, hours, minutes, and seconds with support for complex time expressions. Calculate new dates and times with precision for scheduling and planning.
Time Calculator
This calculator can be used to "add" or "subtract" two time values. Input fields can be left blank, which will be taken as 0 by default.
Add or Subtract Time from a Date
Use this calculator to add or subtract time (days, hours, minutes, seconds) from a starting time and date. The result will be the new time and date based on the subtracted or added period of time.
Time Calculator in Expression
Use this calculator to add or subtract two or more time values in the form of an expression. An acceptable input has d, h, m, and s following each value, where d means days, h means hours, m means minutes, and s means seconds. The only acceptable operators are + and -. "1d 2h 3m 4s + 4h 5s - 2030s" is an example of a valid expression.
Expression Format
Units: d (days), h (hours), m (minutes), s (seconds)
Operators: + (add), - (subtract)
Examples:
- 1d 2h 3m 4s
- 5h + 30m - 15s
- 2d 12h + 6h 30m - 1h 45m 30s
- 100s + 2m - 30s