Microsoft Office Tutorials and References
In Depth Information
Time-Related Functions
You can also display the time, combined with text. The formula that follows displays this text: The
current time is 6:28 PM.
=”The current time is “&TEXT(NOW(),”h:mm AM/PM”)
These formulas are updated only when the worksheet is calculated.
To enter a time stamp into a cell, press Ctrl+Shift+: (colon). Excel inserts the time as a
static value (it does not change).
Displaying any time
Earlier in this chapter, I describe how to enter a time value into a cell: Just type it into a cell,
making sure that you include at least one colon (:). You can also create a time by using the TIME
function. For example, the following formula returns a time comprising the hour in cell A1, the
minute in cell B1, and the second in cell C1:
=TIME(A1,B1,C1)
Like the DATE function, the TIME function accepts invalid arguments and adjusts the result
accordingly. For example, the following formula uses 80 as the minute argument and returns
10:20:15 AM. The 80 minutes are simply added to the hour, with 20 minutes remaining.
=TIME(9,80,15)
If you enter a value greater than 24 as the first argument for the TIME function, the
result may not be what you expect. Logically, a formula such as the one that follows
should produce a date/time serial number of 1.041667 (that is, one day and one hour):
=TIME(25,0,0)
In fact, this formula is equivalent to the following:
=TIME(1,0,0)
You can also use the DATE function along with the TIME function in a single cell. The formula that
follows generates a date and time with a serial number of 39420.7708333333 — which represents
6:30 PM on December 4, 2010:
 
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