FW: Questions

[Paul Eggert]

Fan_Zhenqiang at emc.com writes:

> What if a time zone is specified together with the date/time value? For
> instance, is there any function that call whether "2007-11-04 01:30 PST"
> is DST?

Sorry, no; in general that's not possible, as in some locations the
same abbreviation is used for both standard and daylight time.  One
could do a reasonable job in most cases, as in the other problems you
mentioned; it shouldn't be that hard, but the functions aren't there
now.