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--- syntax:functions:day [2015/04/03 20:41] – elenap
+++ syntax:functions:day [2021/08/30 00:13] – craigt
@@ Line 1: / Line 1: @@
-===== Day(date_as_number) =====
+====== Day(date) ======
+Category:  Date and Time function
-Extracts the corresponding day, from 1 through 31, from the //date_as_number//.
+\\
+=====Description=====
+This function returns the number of the corresponding day of the month, from 1 through 31, from //date//.
-^  Example  ^  Result  ^  Notes  ^
+\\
-| day(42097)  |  3  |  42097 corrensponds to April 4th, 2015  |
+=====Arguments=====
-| day( makedate(2014,1,1) )  |  1  |    |
+^Argument^Type^Description^
+|date|Date or Number (date serial)|An expression representing a date.|
-=== See also: ===
+**Return value type:** Number (Integer).
-  * [[syntax:functions:year]]
-  * [[syntax:functions:month]]
+\\
-  * [[syntax:functions:weekday]]
+=====Remarks=====
-  * [[syntax:functions:makedate]]
+The //date// arguments can take any value or expression that evaluates to a date serial value.  Examples include:
+  * A date string:  #2019-12-12
+  * A date serial value: 43811 (the date serial for "2019-12-12")
+  * A date value created using any of the Date/Time functions that returns a date serial value.
+\\
+=====Examples=====
+  day(#2021-08-15)  //Returns 15.
+  day(42097)  //Returns 3 (42097 corresponds to April 3rd, 2015.)
+  day( makedate(2014,1,1) )  //Returns 1.
+\\
+=====See also=====
+  * [[syntax:functions:year|Year(date)]]
+  * [[syntax:functions:month|Month(date)]]
+  * [[syntax:functions:weekday|Weekday(date)]]
+  * [[syntax:functions:makedate|MakeDate(year,month,day)]]