Re: LocalDate and D2W redux
Re: LocalDate and D2W redux
- Subject: Re: LocalDate and D2W redux
- From: Theodore Petrosky <email@hidden>
- Date: Tue, 12 Jun 2012 09:16:20 -0700 (PDT)
an invoice has a date that doesn't change because you are looking at it in CA instead of NY
> Message: 3
> Date: Tue, 12 Jun 2012 08:47:08 -0700
> From: Ramsey Gurley <email@hidden>
> To: Paul Yu <email@hidden>
> Cc: WebObjects Development <email@hidden>
> Subject: Re: LocalDate and D2W redux
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset="utf-8"
>
> Depends on whether you need the time zone or not.
>
> Let's say you want to say Walmart's black friday sale begins
> at 12 am on the Friday after Thanksgiving. You'd model that
> as a LocalDateTime because it's a date and time that is not
> specific to any time zone. East coast stores start
> their sale 3 hours earlier than west coast stores because of
> the time zone difference.
>
> Similar for birthdate, but that's typically represented as
> LocalDate instead. You'd use LocalTime to model
> something like tea time or happy hour at the pub :D
>
> DateTime or NSTimestamp are the only ones that use
> timezones. If you need a global time stamp to indicate when
> an event occurs, then you'd go with one of these. The
> NYSE opens at 9am Eastern time this morning. If you're in
> California, it doesn't wait three hours for you to wake up
> :-)
>
> Ramsey
>
>
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