• System Locale Information

• Initializing a Calendar

• Getting Information About a Calendar

• Calendrical Calculations

• autoupdatingCurrentCalendar

• currentCalendar

• calendarIdentifier

• components:fromDate:

• components:fromDate:toDate:options:

• dateByAddingComponents:toDate:options:

• dateFromComponents:

• firstWeekday

• initWithCalendarIdentifier:

• locale

• maximumRangeOfUnit:

• minimumDaysInFirstWeek

• minimumRangeOfUnit:

• ordinalityOfUnit:inUnit:forDate:

• rangeOfUnit:inUnit:forDate:

• rangeOfUnit:startDate:interval:forDate:

• setFirstWeekday:

• setLocale:

• setMinimumDaysInFirstWeek:

• setTimeZone:

• timeZone

• NSCalendarUnit

• Calendar Units

• NSDateComponents wrapping behavior