Syntax. HOUR(serial_number)
Definition. This function extracts the hour from a serial number (a time with or without a date). The hour is returned as an integer from 0 through 23.
Arguments
serial_number (required). A valid time (and a date, if applicable)
Background. With this function, as with the MINUTE() and SECOND() functions, you can extract a valid time to use its components for other calculations.
You can enter times as strings enclosed in quotation marks (as in “06:43”), as decimal numbers (as in 0.27986111 for 06:43), or as a result of other formulas and functions.
Example. If you want to extract the hours from a time value, you can use the formula
=HOUR("06:43")
which returns 6
hours.
=HOUR("07/13/2008 20:48")
returns 20
.
=HOUR(NOW())
returns the current hour.
Sample Files
Use the HOUR worksheet in the Date_Time.xls or Date_Time.xlsx sample file. The sample files are found in the Chapter07 folder. For more information about the sample files, see the section titled Using the Sample Files.
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