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--- syntax:functions:weekdayname [2018/08/22 17:07] – dmitry
+++ syntax:functions:weekdayname [2021/09/09 16:12] (current) – [See also] craigt
@@ Line 1: / Line 1: @@
-===== WeekDayName(date_as_number) =====
+====== WeekdayName(date) ======
+Category:  Date and Time function
-Extracts the corresponding day of the the week, from "Sun" for Sunday to "Sat" for Saturday.
+\\
+=====Description=====
+This function returns the abbreviated name of the day //date// falls on.
-^  Example  ^  Result  ^
+\\
-| weekdayname(42097)  |  Fri  |
+=====Arguments=====
-| weekdayname(#2018-08-22)  |  Wed  |
+^Argument^Type^Description^
+|date|Date or Number (date serial)|An expression representing a date to derive the weekday name from.|
+**Return value type:** Text (Sun, Mon, Tue, Wed, Thu, Fri, Sat)
+\\
+=====Remarks=====
+The //date// argument 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=====
+  weekdayname(44448)  //Returns 'Thu' (44448 represents 2021-09-09)
+  weekdayname(#1910-05-01)  //Returns 'Sun'
+\\
+=====See also=====
+  * [[syntax:functions:isoweeknumber|ISOWeekNumber(date)]]
+  * [[syntax:functions:isweekend|IsWeekend(date)]]
+  * [[syntax:functions:weekday|Weekday(date)]]
+  * [[syntax:functions:weekend|WeekEnd(date)]]
+  * [[syntax:functions:weekstart|WeekStart(date)]]
-=== See also: ===
-  * [[syntax:functions:weekday]]
-  * [[syntax:functions:year]]
-  * [[syntax:functions:month]]
-  * [[syntax:functions:day]]
-  * [[syntax:functions:makedate]]