Getting Information About an NSDateComponents Object

- era

Returns the number of era units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setEra:1];
NSLog(@"%d", [dateComponents era]);

Output

2014-04-10 05:15:10.497 iOS-Tutorial[519:a0b] 1

- year

Returns the number of year units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
NSLog(@"%d", [dateComponents year]);

Output

2014-04-10 05:17:36.520 iOS-Tutorial[534:a0b] 2014

- month

Returns the number of month units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setMonth:12];
NSLog(@"%d", [dateComponents month]);

Output

2014-04-10 05:19:04.089 iOS-Tutorial[566:a0b] 12

- date

Returns the date of the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%@", [dateComponents date]);

Output

2014-04-10 05:41:11.371 iOS-Tutorial[711:a0b] 2014-04-12 06:42:12 +0000

- day

Returns the number of day units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%d", [dateComponents day]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 12

- hour

Returns the number of hour units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%d", [dateComponents hour]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 12

- minute

Returns the number of minute units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%d", [dateComponents minute]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 12

- second

Returns the number of second units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%d", [dateComponents second]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 12

- week

Returns the number of week units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setWeek:5];
NSLog(@"%d", [dateComponents week]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 5

- weekday

Returns the number of weekday units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setWeekday:5];
NSLog(@"%d", [dateComponents weekday]);

Output

2014-04-10 05:41:46.623 iOS-Tutorial[723:a0b] 5

- weekdayOrdinal

Returns the ordinal number of weekday units for the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setWeekdayOrdinal:5];
NSLog(@"%d", [dateComponents weekdayOrdinal]);

Output

2014-04-10 05:46:31.462 iOS-Tutorial[738:a0b] 5

- quarter

Returns the number of quarters in the calendar.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setQuarter:3];
NSLog(@"%d", [dateComponents quarter]);

Output

2014-04-10 05:47:24.593 iOS-Tutorial[753:a0b] 3

- calendar

Returns the calendar of the receiver.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%@", [dateComponents calendar]);

Output

2014-04-10 05:48:09.573 iOS-Tutorial[765:a0b] <_NSCopyOnWriteCalendarWrapper: 0xa0591a0>

- timeZone

Returns the receiver’s time zone.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%@", [dateComponents timeZone]);

Output

2014-04-10 05:48:43.540 iOS-Tutorial[777:a0b] Asia/Kolkata (GMT+5:30) offset 19800

- weekOfMonth

Returns the week of the month.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setWeekOfMonth:4];
NSLog(@"%d", [dateComponents weekOfMonth]);

Output

2014-04-10 05:50:03.423 iOS-Tutorial[789:a0b] 4

- weekOfYear

Returns the week of the year.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
[dateComponents setWeekOfYear:4];
NSLog(@"%d", [dateComponents weekOfYear]);

Output

2014-04-10 05:53:49.494 iOS-Tutorial[807:a0b] 4

- yearForWeekOfYear

Returns the year for the week of the year.

Example

NSDateComponents *dateComponents = [[NSDateComponents alloc]init];
[dateComponents setYearForWeekOfYear:4];
[dateComponents setYear:2014];
[dateComponents setMonth:4];
[dateComponents setDay:12];
[dateComponents setHour:12];
[dateComponents setMinute:12];
[dateComponents setSecond:12];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%d", [dateComponents yearForWeekOfYear]);

Output

2014-04-10 05:55:08.729 iOS-Tutorial[823:a0b] 4

Setting Information for an NSDateComponents Object

- setEra:

Sets the number of era units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setEra:0];
NSLog(@"%d", [dateComponents era]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 0

- setYear:

Sets the number of year units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setYear:2014];
NSLog(@"%d", [dateComponents year]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 2014

- setMonth:

Sets the number of month units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setMonth:4];
NSLog(@"%d", [dateComponents month]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 4

- setDay:

Sets the number of day units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setDay:12];
NSLog(@"%d", [dateComponents day]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 12

- setHour:

Sets the number of hour units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setHour:12];
NSLog(@"%d", [dateComponents hour]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 12

- setMinute:

Sets the number of minute units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setMinute:12];
NSLog(@"%d", [dateComponents minute]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 12

- setSecond:

Sets the number of second units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setSecond:12];
NSLog(@"%d", [dateComponents second]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 12

- setWeek:

Sets the number of week units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setWeek:3];
NSLog(@"%d", [dateComponents week]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setWeekday:

Sets the number of weekday units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setWeekday:3];
NSLog(@"%d", [dateComponents weekday]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setWeekdayOrdinal:

Sets the ordinal number of weekday units for the receiver.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setWeekdayOrdinal:3];
NSLog(@"%d", [dateComponents weekdayOrdinal]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setQuarter:

Sets the number of quarters in the calendar.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setQuarter:3];
NSLog(@"%d", [dateComponents quarter]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setCalendar:

Sets the receiver’s calendar.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%@", [dateComponents calendar]);

Output

2014-04-10 06:21:13.565 iOS-Tutorial[900:a0b] <_NSCopyOnWriteCalendarWrapper: 0x893b160>

- setTimeZone:

Sets the receiver’s time zone.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setCalendar:[NSCalendar currentCalendar]];
[dateComponents setTimeZone:[NSTimeZone systemTimeZone]];
NSLog(@"%@", [dateComponents timeZone]);

Output

2014-04-10 06:20:04.303 iOS-Tutorial[890:a0b] Asia/Kolkata (GMT+5:30) offset 19800

- setWeekOfMonth:

Sets the week of the month.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 0

- setWeekOfYear:

Sets the week of the year.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setWeekOfYear:3];
NSLog(@"%d", [dateComponents weekOfYear]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setYearForWeekOfYear:

Sets the year for the week of the year.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setYearForWeekOfYear:3];
NSLog(@"%d", [dateComponents yearForWeekOfYear]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 3

- setLeapMonth:

Sets the month as a leap month.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setLeapMonth:YES];
NSLog(@"%d", [dateComponents isLeapMonth]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 1

- isLeapMonth

Returns whether the month is a leap month.

Example

NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:(NSDayCalendarUnit) fromDate:[NSDate date]];
[dateComponents setLeapMonth:YES];
NSLog(@"%d", [dateComponents isLeapMonth]);

Output

2014-04-10 06:06:02.098 iOS-Tutorial[858:a0b] 1

Advertisements