[수식] 경과시간 ([Formula] Elapsed Time)
IF( EndDate__c - StartDate__c > -1 , LPAD(TEXT( FLOOR( MOD( (EndDate__c - StartDate__c ) * 24, 24 ) ) ), 2, "0") & ":" & LPAD(TEXT( FLOOR( MOD( (EndDate__c - StartDate__c ) * 24 * 60, 60 ) ) ), 2, "0") & ":" & LPAD(TEXT( ROUND( MOD( (EndDate__c - StartDate__c ) * 24 * 60 * 60, 60 ), 0 ) ), 2, "0"), "-" )
