NSDate and NSDateComponents return wrong date

Question

I know that this question was asked a million times, I just can't find a solution. The problem is: I'm modifying an NSDate to return either the date of the first day in the current month or the date of the first day in the next month. It seems to be working fine except for 1 thing: it gives back the time minus 2 or 3 hours.

Code:

NSCalendar *theCalendar = [NSCalendar currentCalendar]; int comp = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit; NSDateComponents *theComp = [theCalendar components:comp fromDate:date]; [theComp setTimeZone:[NSTimeZone systemTimeZone]]; switch (roundingMode) { case FIRST_OF_MONTH: [theComp setDay:1]; return [theCalendar dateFromComponents:theComp]; case FIRST_OF_NEXT_MONTH: [theComp setMonth:theComp.month+1]; [theComp setDay:1]; return [theCalendar dateFromComponents:theComp]; }

Here's the debugger(gdb) output:

(gdb) po theComp <NSDateComponents: 0x6e26170> TimeZone: Europe/Kiev (EET) offset 7200 Calendar Year: 2012 Month: 3 Day: 1 (gdb) po date 2012-03-12 13:05:22 +0000 (gdb) po [theCalendar dateFromComponents:theComp] 2012-02-29 22:00:00 +0000

Any help would be greatly appreciated.

Thank you.

sch · Accepted Answer · 2012-03-12 14:26:34Z

The date is displayed in GMT: 2012-02-29 00:00:00 +0000 is 2012-03-01 22:00:00 +0200. Also don't forget daylight saving time change which explains why you get a difference of 3 hours sometimes.

The result date is correct, but the debugger displays it in GMT.

hmm... Strange, but it is true. I did expect a normalized output from the debugger/NSLog. Thanks

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