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NSDate+Calendar 0.0.9

This is the set of categories on NSDate that allow access to date components such as year, month, week of year, week of month, weekday, day, hour, minute, second in local time zone and many more.

Build Status

Install

Add to Podfile pod 'NSDate+Calendar'

Using

Access to date componentes
NSDate *date = ...                          // 01-08-2013 13:04:35
NSInteger year = date.year;                 // 2013
NSInteger month = date.month;               // 8
NSInteger day = date.day;                   // 1
NSInteger weekOfYear = date.weekOfYear;     // 31
NSInteger weekOfMonth = date.weekOfMonth;   // 1
NSInteger weekday = date.weekday;           // 5
NSInteger hour = date.hour;                 // 13
NSInteger minute = date.minute;             // 4
NSInteger second = date.second;             // 35
NSUInteger daysInMonth = date.daysInMonth;  // 31
NSUInteger dayInYear = date.dayInYear;      // 213
NSUInteger hourInYear = date.hourInYear     // 5102
Create date from date components
// 21-09-2013 00:00:00
NSDate *dateWithDate = [NSDate dateWithYear:2013 month:9 day:21];
// 21-09-2013 17:51:23
NSDate *dateWithDateAndTime = [NSDate dateWithYear:2013 month:9 day:21
                                              hour:17 minute:51 second:23];
Date with changed time
NSDate *date = ...        // 21-09-2013 17:53:08
// 21-09-2013 08:53:08
NSDate *dateChangedHour = [date dateBySettingHour:8];
// 21-09-2013 17:12:08
NSDate *dateChangedMinute = [date dateBySettingMinute:12];
// 21-09-2013 17:53:59
NSDate *dateChangedSecond = [date dateBySettingSecond:59];
// 21-09-2013 15:15:15
NSDate *dateChangedTime = [date dateBySettingHour:15 minute:15 seconds:15];

// 21-09-2013 23:53:08
NSDate *dateAddedHour = [date dateByAddingHour:6];
// 21-09-2013 18:03:08
NSDate *dateAddedMinute = [date dateByAddingMinute:10];
// 21-09-2013 17:55:00
NSDate *dateAddedSecond = [date dateByAddingSecond:112];
// 21-09-2013 18:54:09
NSDate *dateAddedTime = [date dateByAddingHour:1 minute:1 second:1];
Date with changed date
NSDate *date = ...      // 21-09-2013 18:00:12
// 21-09-2000 18:00:12
NSDate *dateChangedYear = [date dateBySettingYear:2010];
// 21-03-2013 18:00:12
NSDate *dateChangedMonth = [date dateBySettingMonth:3];
// 15-09-2013 18:00:12
NSDate *dateChangedDay = [date dateBySettingDay:15];

// 21-09-2014 18:00:12
NSDate *dateAddedYear = [date dateByAddingYear:1];
// 21-01-2014 18:00:12
NSDate *dateAddedMonth = [date dateByAddingMonth:4];
// 26-09-2013 18:00:12
NSDate *dateAddedDay = [date dateByAddingDay:5];
Date with changed week

Sunday is a weekday number 1. Regardless your local calendar

NSDate *date = ...    // 01-08-2013 13:04:35 (Thursday)
// 28-07-2013 13:04:35 (Sunday)
NSDate *dateChangedWeekday = [date dateBySettingWeekday:1];
// 15-08-2013 13:04:35 (Thursday)
NSDate *dateChangedWeekOfMonth = [date dateBySettingWeekOfMonth:3];
// 10-01-2013 13:04:35 (Thursday)
NSDate *dateChangedWeekOfYear = [date dateBySettingWeekOfYear:2];

// 08-08-2013 13:04:35 (Thursday)
NSDate *dateAddWeek = [date dateByAddingWeek:1];
Day routine
NSDate *date = ...    // 19-09-2013 06:24:00
// 19-09-2013 00:00:00
NSDate *dateToday = [date dateToday];
// 18-09-2013 00:00:00
NSDate *dateYesterday = [date dateYesterday];
// 20-09-2013 00:00:00
NSDate *dateTomorrow = [date dateTomorrow];
Week routine

First day of the week is value of your local calendar and can't be changed

NSDate *date = ...    // 01-08-2013 13:04:35 (Thursday)
// 28-07-2013 00:00:00 (Sunday)
NSDate *dateWeekStart = [date dateWeekStart];
// 03-08-2013 00:00:00 (Saturday)
NSDate *dateWeekEnd = [date dateWeekEnd];
// 25-07-2013 13:04:35 (Thursday)
NSDate *dateWeekAgo = [date dateWeekAgo];
// 08-08-2013 13:04:35 (Thursday)
NSDate *dateWeekAhead = [date dateWeekAhead];
Month routine
NSDate *date = ...    // 19-09-2013 14:23:07
// 01-09-2013 00:00:00
NSDate *dateMonthStart = [date dateMonthStart];
// 30-09-2013 00:00:00
NSDate *dateMonthEnd = [date dateMonthEnd];
// 19-08-2013 14:23:07
NSDate *dateMonthAgo = [date dateMonthAgo];
// 19-10-2013 14:23:07
NSDate *dateMonthAhead = [date dateMonthAhead];
Year routine
NSDate *date = ...    // 19-09-2013 05:12:34
// 01-01-2013 00:00:00
NSDate *dateYearStart = [date dateYearStart];
// 31-12-2013 00:00:00
NSDate *dateYearEnd = [date dateYearEnd];
// 19-09-2012 05:12:34
NSDate *dateYearAgo = [date dateYearAgo];
// 19-09-2014 05:12:34
NSDate *dateYearAhead = [date dateYearAhead];
Date compare
NSDate *date1 = ...   // 13-05-2013 07:12:49
NSDate *date2 = ...   // 13-05-2013 09:56:12
BOOL isEqualDay = [date1 isEqualToDay:date2];                 // YES
BOOL isEqualTime = [date1 isEqualToTime:date2];               // NO
BOOL isLessDate = [date1 isLessDate:date2];                   // YES
BOOL isGreaterDate = [date1 isGreaterDate:date2];             // NO
BOOL isLessOrEqual = [date1 isLessOrEqualToDate:date2];       // YES
BOOL isGreaterOrEqual = [date1 isGreaterOrEqualToDate:date2]; // NO

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