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Excel HOUR function

If you would like to return only hour numbers from a list of time cells as following screenshot displayed, the HOUR function in Excel can help you to solve this job. With the HOUR function, Excel will get hour number ranging from 0 to 23 based on the given time.

doc hour function 1


The syntax for the HOUR function in Excel is:

=HOUR (Serial_number)


  • Serial_number: The time value to extract the hour from. It can be a cell reference, string value or a decimal number, etc.


Return the hour as a number between 0 and 23 from a Time.


For returning the hour numbers from the given times, please enter the below formula, and you will get all hour numbers in 24-hour format as following screenshot shown.


doc hour function 1

Note: In the above formula, A2 is the cell contains the time you want to extract hour number from.

Tips: You can also replace the cell reference in the above formula with the time text string, such as:


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