Week of month confusion?
Week of month confusion?
- Subject: Week of month confusion?
- From: Izak van Langevelde <email@hidden>
- Date: Tue, 19 Mar 2013 14:21:30 +0100
I'm working on a small week-based calendar, but for some reason, the week number within the month of the first day of the month is either 0 or 1, while I would expect it to be 1.
NSDateComponents *components = [[NSDateComponents alloc] init];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterLongStyle];
[components setDay:1];
[components setYear:2013];
for(int i=1;i<=12;i++){
[components setMonth:i];
NSDate *date=[[NSCalendar currentCalendar] dateFromComponents:components];
NSLog(@"Date %@ falls in week %ld of the month",
[formatter stringFromDate:date] ,
[[[NSCalendar currentCalendar] components:NSWeekOfMonthCalendarUnit fromDate: date] weekOfMonth]);
}
Output:
2013-03-19 13:32:32.777 Admin[3543:707] Date 1 January, 2013 falls in week 1 of the month
2013-03-19 13:32:32.778 Admin[3543:707] Date 1 February, 2013 falls in week 0 of the month
2013-03-19 13:32:32.779 Admin[3543:707] Date 1 March, 2013 falls in week 0 of the month
2013-03-19 13:32:32.780 Admin[3543:707] Date 1 April, 2013 falls in week 1 of the month
2013-03-19 13:32:32.781 Admin[3543:707] Date 1 May, 2013 falls in week 1 of the month
2013-03-19 13:32:32.781 Admin[3543:707] Date 1 June, 2013 falls in week 0 of the month
2013-03-19 13:32:32.782 Admin[3543:707] Date 1 July, 2013 falls in week 1 of the month
2013-03-19 13:32:32.783 Admin[3543:707] Date 1 August, 2013 falls in week 0 of the month
2013-03-19 13:32:32.783 Admin[3543:707] Date 1 September, 2013 falls in week 1 of the month
2013-03-19 13:32:32.784 Admin[3543:707] Date 1 October, 2013 falls in week 1 of the month
2013-03-19 13:32:32.785 Admin[3543:707] Date 1 November, 2013 falls in week 0 of the month
2013-03-19 13:32:32.786 Admin[3543:707] Date 1 December, 2013 falls in week 1 of the month
Am I overlooking some subtlety in the definition of weekOfMonth?
Thanks,
Izak
---
Grinnikend door het leven...
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