Re: NSDate / NSXMLParser
Re: NSDate / NSXMLParser
- Subject: Re: NSDate / NSXMLParser
- From: David Rowland <email@hidden>
- Date: Tue, 3 Nov 2009 12:16:02 -0800
On Nov 3, 2009, at 10:04 AM, Chunk 1978 wrote:
have you tried it on your device?
Yes. The device and the Simulator behave the same way.
On Tue, Nov 3, 2009 at 11:26 AM, David Rowland
<email@hidden>wrote:
The SeismicXML sample code uses NSXMLParser to extract data from a
file
downloaded from the USGS. The time of an event appears in the file
like
this,
.....12:34:32Z....
According to rfc 822 'Z' means UTC (or GMT if you prefer).
I find that the NSDate from the parser is tagged as being in the
Pacific
time zone, my local time zone, while the hours are correct for UTC.
That
makes it 8 hours off for standard time.
The parser is told that the date format is,
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss"];
which seems to ignore the Z and impose local time.
I have tried several variations on that formatting string. They all
fail to
deliver UTC.
[dateFormatter setDateFormat:@"yyyy-MM-dd' 'HH:mm:ssz"]; //says PDT
[dateFormatter setDateFormat:@"yyyy-MM-dd' 'HH:mm:ssZ"]; //says
-0700
[dateFormatter setDateFormat:@"yyyy-MM-dd' 'HH:mm:sszz"]; //says PDT
[dateFormatter setDateFormat:@"yyyy-MM-dd' 'HH:mm:ss"]; //says
nothing
but still thinks its PDT
No doubt my inexperience with the parser or NSDate is at fault. How
do I
get the parser to recognize that the time really is UTC?
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