Inconsistencies with NSDate timeIntervalSinceReferenceDate
Inconsistencies with NSDate timeIntervalSinceReferenceDate
- Subject: Inconsistencies with NSDate timeIntervalSinceReferenceDate
- From: Dallas Brown <email@hidden>
- Date: Wed, 21 Nov 2007 18:01:13 -0700
I seem to be getting some major inconsistencies when using NSDate
timeIntervalSinceReferenceDate....
Let me explain...
I have the following code:
NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
NSLog(@"%@", [NSDate dateWithTimeIntervalSinceReferenceDate: now]);
NSLog(@"%@", [NSString stringWithFormat:@"%d", now]);
Now the first NSLog returns the correct date, however the second NSLog
returns what seems to be wild numbers.
For example here is the output from a few runs:
2007-11-21 17:26:37 -0700
2060718229
2007-11-21 17:26:38 -0700
2108793912
2007-11-21 17:26:43 -0700
-2028003597
So as you can see the first 2 runs it looks somewhat ok (Seems like a
huge number difference for a change of 1 second)
Then the third run, I get a WAY different number, both in it being a
negative and a big difference between even just the numbers.
According to the NSDate class reference it says a negative is used to
specify a date and time before the reference date of 1 January 2001, GMT.
Is this normal output?
Do I just not understand timeIntervalSinceReferenceDate?
Am I doing something wrong?
Any help would be appreciated.
Thanks.
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