Re: Timezone hell...
Re: Timezone hell...
- Subject: Re: Timezone hell...
- From: George Domurot <email@hidden>
- Date: Sat, 05 Mar 2011 16:57:11 -0800
Hi Pascal,
I think the problem is how you're creating the NSTimestamp. There shouldn't be any need to pass the timezone in, unless the mills are offset for some reason. (Calendar.getTimeInMillis = NSTimestamp.getTime)
java.util.Calendar calendarNow = GregorianCalendar.getInstance(TimeZone.getTimeZone("America/Montreal"));
NSTimestamp timestampNow = new NSTimestamp();
NSTimestamp timestampForCalendearNow = new NSTimestamp(calendarNow.getTimeInMillis());
NSLog.out.appendln(calendarNow.getTimeInMillis());
NSLog.out.appendln(timestampNow.getTime());
NSLog.out.appendln(timestampForCalendearNow.getTime());
##output##
Mar 05 16:55:45 TestTime[56087] INFO NSLog - 1299372945861
Mar 05 16:55:45 TestTime[56087] INFO NSLog - 1299372945861
Mar 05 16:55:45 TestTime[56087] INFO NSLog - 1299372945861
-G
On Mar 5, 2011, at 4:24 PM, Pascal Robert wrote:
> Ok, I'm loss here:
>
> java.util.Calendar now = GregorianCalendar.getInstance(TimeZone.getTimeZone("America/Montreal"));
> NSTimestamp nst = new NSTimestamp(now.getTimeInMillis(), now.getTimeZone());
> NSLog.out.appendln(nst);
> NSLog.out.appendln(nst.getTime());
> NSLog.out.appendln(nst.timeZone().getID());
>
> So, the time coming from java.util.Calendar is 19:16:19, in America/Montreal. That's ok. The problem is with NSTimestamp:
>
> mars 05 19:16:19 ShareCalPrototype[53879] INFO NSLog - 2011-03-05 19:16:19 Etc/GMT
> mars 05 19:16:19 ShareCalPrototype[53879] INFO NSLog - 1299352579671
> mars 05 19:16:19 ShareCalPrototype[53879] INFO NSLog - Etc/GMT
>
> So the time is 19:16:19 in the NSTimestamp, but the timezone is GMT, so when I display it in America/Montreal, it shows 14:16:19 :-/
>
> According to the JavaDoc:
>
> NSTimestamp does not maintain time zone information. All NSTimestamps are millisecond offsets since the reference date in the reference time zone. This method assumes time is a time from the tz time zone, and converts time into a time appropriate for NSTimestamp to handle.
>
> Ok, so I guess it's normal that the timezone is GMT, but it should add 5 hours to the time? _______________________________________________
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