pse.CalendarUtil

global with sharing class CalendarUtil

Utilities relating to days and dates.

Enums

DayOfWeek

Value	Description
SUNDAY	Sunday
MONDAY	Monday
TUESDAY	Tuesday
WEDNESDAY	Wednesday
THURSDAY	Thursday
FRIDAY	Friday
SATURDAY	Saturday

Methods

global static pse.CalendarUtil.DayOfWeek getDayOfWeek(Date dt)
global static Date getStartOfWeek(Date refDate, pse.CalendarUtil.DayOfWeek weekStartDay)

getDayOfWeek

global static pse.CalendarUtil.DayOfWeek getDayOfWeek(Date dt)

Returns the day of the week for the provided Date.

Input Parameters

Name	Type	Description
dt	Date	Input date

getStartOfWeek

global static Date getStartOfWeek(Date refDate, pse.CalendarUtil.DayOfWeek weekStartDay)

Find the start date of the week containing the requested date. The weekStartDay (e.g. Monday) determines which day is considered to be the start of a week.

Input Parameters

Name	Type	Description
refDate	Date	Input date.
weekStartDay	pse.CalendarUtil.DayOfWeek	Week start day for this calculation.

Sample Code

//Note: This sample code is for demonstration purposes only. It is not intended for
//use in a production environment, is not guaranteed against defects or errors, and
//is in no way optimized or streamlined.
 
System.debug(
    pse.CalendarUtil.getStartOfWeek(
        Date.newInstance(2022, 5, 27),
        pse.CalendarUtil.DayOfWeek.MONDAY
    )
);
//2022-05-23
 
System.debug(
    pse.CalendarUtil.getStartOfWeek(
        Date.newInstance(2022, 5, 29),
        pse.CalendarUtil.DayOfWeek.SUNDAY
    )
);
//2022-05-29