Time Calculator can be used to perform simple date and time operations, such as subtraction and addition, as well as conversion operations, such as date and time to days, hours, minutes and seconds.Simple operations:Type specific date and time, or type day, hour, minute, and second in any combination in the calculation. E.g. 01/06/2008 12:05:00 or 4d3h5m10s Click + to add, or - to subtract. Type any remaining date and time representations and operators. Click =.Conversion operations:Type specific date and time, or type day, hour, minute, and second in any combination in the calculation. E.g. 01/06/2008 12:05:00 or 4d3h5m10s Click =. Click converson operator - day, hour, min, or sec. Type any remaining date and time representations and conversion operators.