위치:
WEEKDAY
주어질 날짜의 요일을 반환하며, 일요일은 1로, 월요일은 2로 그리고 토요일은 7로 표시합니다.
사용
WEEKDAY(date)
WEEKDAY(customdate1__c)는 customdate1__c에 주어진 날짜의 요일을 반환합니다.

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