By default, the WeekNumberAs property is exSimpleWeekNumber, which indicates the first week starts on January 1st of a given year, week n+1 starts 7 days after week n. The FirstWeekDay property specifies the first day of the week where the week begins. Use WeekDays property to specify the name of the days in the week. Use the MonthNames property to specify the name of the months in the year. Use the AMPM property to specify the name of the AM and PM indicators. The FormatDate property formats a date. The NextDate property computes the next date based on the time unit. Use the FirstVisibleDate property to specify the first visible date in the chart.

The following screen shot shows the weeks as exISO8601WeekNumber ( exDay scale ):

The following screen shot shows the weeks as exISO8601WeekNumber ( exWeek scale ):

The following screen shot shows the weeks as exSimpleWeekNumber ( exDay scale ): 

The following screen shot shows the weeks as exSimpleWeekNumber ( exWeek scale ):