Re: timezone for web users?
Re: timezone for web users?
- Subject: Re: timezone for web users?
- From: Paul Hoadley <email@hidden>
- Date: Tue, 09 Jul 2013 10:04:19 +0930
On 09/07/2013, at 3:29 AM, Jesse Tayler < email@hidden> wrote: I realize I had apparently statically set the timezone to GMT?
Maybe I did this for my database??
I had this in my app constructor
static { // Set default time zones //TimeZone.setDefault(TimeZone.getTimeZone("GMT")); //NSTimeZone.setDefaultTimeZone(NSTimeZone.getGMT()); }
once I noticed those two line and commented them out, general <wo:str>’s zapped into a correct timezone on display - my component is another story but--
now I wonder if I’ll be storing my dates differently in the database?
In my experience, you almost certainly want to leave those setDefault calls _in_. The only failsafe way to deal with timezones is to set UTC everywhere except the view layer. So, yes, you want to ensure your database is storing timestamps as UTC (and not doing any "helpful" timezone conversions on the way in or out), the JVM's default is UTC, and WebObjects default is UTC. The only time you do a conversion is on the way in from the view, or on the way out to the view, both using a user-selected or automatically-detected timezone offset.
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