Weekday(date)

Category: Date and Time function

Description

This function returns the corresponding day-of-the-week number, from 1 (Sunday) to 7 (Saturday), from date.

Argument	Type	Description
date	Date or Number (date serial)	An expression representing a date. The date value to derive the weekday number from.

Return value type: Number

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.

weekday(42097)  //Returns 6  (42097 is equivalent to Friday, 2015-04-03.)

weekday(35640)  //Returns 3 (35640 is equivalent to Tuesday, 1997-07-29.)

weekday(#2014-01-01)   //Returns 4 (Wednesday)