+ calendarDate
+ dateWithString:calendarFormat:
+ dateWithString:calendarFormat:locale:
+ dateWithYear:month:day:hour:minute:second:timeZone:

- calendarFormat
- dateByAddingYears:months:days:hours:minutes:seconds:
- dayOfCommonEra
- dayOfMonth
- dayOfWeek
- dayOfYear
- description
- descriptionWithCalendarFormat:
- descriptionWithCalendarFormat:locale:
- descriptionWithLocale:
- hourOfDay
- initWithString:
- initWithString:calendarFormat:
- initWithString:calendarFormat:locale:
- initWithYear:month:day:hour:minute:second:timeZone:
- minuteOfHour
- monthOfYear
- secondOfMinute
- setCalendarFormat:
- setTimeZone:
- timeZoneDetail
- yearOfCommonEra
- years:months:days:hours:minutes:seconds:sinceDate: