### NOW()

Returns the serial number of the current system date and time.

#### Remarks

* This is one of few functions that does not require any arguments.
* This function is volatile and will change everytime a cell on the worksheet is calculated.
* This function will update when the workbook is recalculated.
* You must include the empty parentheses after the function name.
* The serial number is the date-time code used by Excel for date and time calculations.
* If the cell has the "General" number format, then this cell is formatted automatically to "dd/mm/yyyy hh:mm".
* If you want to enter a static date that will not change or update, use the shortcut key (Ctrl + ;).
* If you want to enter a static time that will not change or update, use the shortcut key (Ctrl + Shift + ;).
* You can use the DAY function to return the day as an integer given a date serial number.
* You can use the MONTH function to return the month as an integer given a date serial number.
* You can use the YEAR function to return the year as an integer given a date serial number.
* You can use the HOUR function to return the hour as an integer given a date serial number.
* You can use the MINUTE function to return the minute as an integer given a date serial number.
* You can use the SECOND function to return the number of seconds as an integer given a date serial number.
* For the Microsoft documentation refer to support.office.com.

 A 1 =NOW() = 6/5/2017 21:47 2 =NOW()-1 = 6/4/2017 21:47 3 =NOW()+1 = 6/6/2017 21:47 4 =DAY(NOW()) = 5 5 =MONTH(NOW()) = 6 6 =YEAR(NOW()) = 2017 7 =HOUR(NOW()) = 21 8 =MINUTE(NOW()) = 47 9 =SECOND(NOW()) = 24

??