2010/12/13 thron7 <[email protected]>
>
>
> On 12/13/2010 05:36 PM, Marius Austerschulte wrote:
> > Hi Alex,
> > I know that the DateFormat class is for formatting a date. I just
> > wondered why only the local representation of the date can be formatted,
> > not the UTC representation.
>
> I find what you write confusing. Any time, including the local, can be
> represented in UTC. Date.getUTCDate and friends provide the current time
> for a *specific* time zone, namely UTC-0. Is it this you're referring
> to? Then what you want is a date expressed in this particular time zone.
>
I want that date being expressed in its UTC representation. A time zone is
an area on the earth's surface which has a uniform time. This time is
computed using an offset from UTC. The offset for a time zone may differ
during the year (e.g. the offset for the time zone of London in winter is 0,
but +1 in summer). So I don't want the time of a certain time zone but the
universal time, which is UTC.
> > It would be nice if you could get a
> > formatted UTC representation of the date by using a format string like
> > "dd.MM.yyyy" instead of having to build a date string manually like
> > d.getUTCDate() + "." + d.getUTCMonth() + ...
>
> But that would require date calculation, which, as Alex suggested, the
> DateFormat class is not about. That would require a completely different
> class.
>
Why does it require date calculation? The JavaScript API already provides
the methods to get the correct date in UTC, so there wouldn't be the need
for any further date calculation by the DateFormat class. I just want the
DateFormat.format method (or maybe a potential DateFormat.formatUTC method)
to format that UTC time according to a certain format-string. So from my
point of view I can't see a big problem with enhancing the DateFormat class
with such a feature.
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