calculate time cards

Use this calculator to add or subtract two or more time values in the form of an expression. disney cards 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. disney cards The only acceptable operators are + and - "1d 2h 3m 4s + 4h 5s - 2030s" is an example of a valid expression