# TIMEVALUE Function

The TIMEVALUE function is one of the date and time functions. It is used to return the serial number of a time.

The TIMEVALUE function syntax is:

TIMEVALUE(date-time-string)

where date-time-string is a value entered manually or included into the cell you make reference to.

To apply the TIMEVALUE function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Date and time function group from the list,
4. click the TIMEVALUE function,
5. enter the required argument,
6. press the Enter button.

The result will be displayed in the selected cell.