Let me know what kind of edge-cases you run into with node-time!
On Wed, May 16, 2012 at 2:15 PM, SethP <[email protected]> wrote:
>
>
> On Wednesday, May 16, 2012 9:06:12 AM UTC-4, Ben Noordhuis wrote:
>
>> > Thanks, Ben - I figured you'd be the one to pick this up. (btw - how do
>> you
>> > pronounce your name?)
>>
>> 'North house' is a close enough approximation. :-)
>>
>
> Thanks for clearing that up for everyone. Maybe that can go in the group
> FAQ? :o)
>
>
>>
>> > The reason I think it may be a bug is that the output of the test
>> script
>> > (sans assertion) is as follows:
>> >
>> > Tue May 15 2012 19:21:53 GMT-0700 (PDT)
>> > 1326405600000 Thu Jan 12 2012 14:00:00 GMT-0500 (EST)
>> > 1326405600000 Thu Jan 12 2012 17:00:00 GMT-0500 (EST)
>> >
>> > Two dates have identical getTime() values but different hours with the
>> > *same* tzinfo (EST). Regardless of which TZ is the current one, that
>> should
>> > never happen, correct? It's a matter of internal consistency; one of
>> those
>> > lines has got to be wrong. (The bottom line is correct; the date
>> appears to
>> > be parsed as though the TZ is still America/LA)
>>
>> Yes, that's a V8 bug. It's mostly* fixed in master.
>>
>> Your example still won't work quite right (the assertion will fail)
>> unless you `export TZ="America/New_York"` before running the script.
>> That can't really be helped, I'm afraid.
>>
>> * There is still a bug in timezone handling on Solaris.
>>
>
> Good to know. I've abandoned my dumb approach and am now using node-time
> (which appears to have some oddities of its own lurking in the corner
> cases).
>
> I figured something must be caching the TZinfo; here's a script that shows
> some perplexing behavior on OS X:
>
> var d;
>
> console.log(new Date().toString());
>
> process.env.TZ = 'America/Los_Angeles';
>
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> process.env.TZ = "America/New_York";
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> process.env.TZ = 'America/Los_Angeles';
>
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> process.env.TZ = 'America/Chicago';
>
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> process.env.TZ = 'Hongkong';
>
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> process.env.TZ = "America/New_York";
> d = new Date('2012-1-12 02:00 PM');
> console.log(new Date().toString());
>
> When run with $TZ == undefined, I *usually* get:
>
> Wed May 16 2012 17:06:22 GMT-0400 (EDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
> Wed May 16 2012 14:06:22 GMT-0700 (PDT)
>
> But every now and then I get:
>
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
> Wed May 16 2012 14:10:14 GMT-0700 (PDT)
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
> Wed May 16 2012 17:10:14 GMT-0400 (EDT)
>
> And on rare times I get:
>
> Wed May 16 2012 17:09:25 GMT-0400 (EDT)
> Wed May 16 2012 14:09:25 GMT-0700 (PDT)
> Wed May 16 2012 14:09:25 GMT-0700 (PDT)
> Wed May 16 2012 14:09:25 GMT-0700 (PDT)
> Wed May 16 2012 16:09:25 GMT-0500 (CDT)
> Thu May 17 2012 05:09:25 GMT+0800 (HKT)
> Wed May 16 2012 17:09:25 GMT-0400 (EDT)
>
> Which I'd normally think was a race condition somewhere, but it's not
> apparent to me where there'd be a race. For added fun you can export TZ=GMT
> or something to spice it up; it's just stochastic as hell.
>
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