On 21/11/2017 14:16, Lester Caine wrote: > On 21/11/17 14:55, Adriano dos Santos Fernandes wrote: >> Implementing TIME WITH TIME ZONE and TIMESTAMP WITH TIME ZONE datatypes >> as specified in the SQL standard is not a big problem. > The only question is just how is the timezone data managed. It is > useless simply having an offset value when large areas of the planet > still use daylight saving. If I move a meeting from March to April I > need to know the real timezone, a simple hour offset is no good at all. > It's the same old problem as the offset provided by a browser ... > useless for half of the year ... > Time offset may be specified at absolute value (+/- HH:MM) or by region (PST, EDT, etc).
Region uses daylight saving data. I'm going to focus on absolute value only for start. Adriano ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel