Re: Changing time confusion

[Larry Ewing <lewing novell com>]

I'm looking into this closer today, there are several problems with the
GnomeDateEdit widget and I think I broke the correction logic i was
using.

On Sun, 2006-02-19 at 13:45 +0900, Bengt Thuree wrote:
> Hi
> 
> I am having some problem understanding how the change time works.
> 
> I have the following scenario:
> EXIF DateTimeOriginal : 2004:10:05 13:01:10
> Dual boot Windows/Linux, which means h/w clock is not set to UTC
>    (windows problem).
> Currently in timezone Australia/Melbourne
> 
> If I select this photo, and decides to adjust the time I am presented with
> the following dialog.
> 
> Appears to have been taken on: 5/10/2004 3:01:10 AM
> Was actually taken on: <04/10/04> [Calendar] <16:01> [bad time widget!]
> For a difference of <00:00:00>
> 
> This is very very confusing for me.
> 1) The photo was taken at 13:01:10, not 03:01:10
> 2) Why does F-Spot assumes that the photo was taken on another time, and
> where does it get this time from? Subtracting melbourne timezone? Why! Why
> not trust the EXIF data? Unfortunately EXIF do not store timezone
> information.
> 3) Why present in 12 hr format on the description, and 24 hour format on
> the assumes
> 4) Why is there a difference of 00:00:00 when the time is apperantly
> different?
> 
> Probably I am missing some very simple logic here, and I appologize in
> advance for this.
> 
> Thanks in advance for any clarifications.
> 
> Bengt
>