[LEAPSECS] Crunching Bulletin B numbers (POSIX time)

[michael.deckers]

   On 2011-02-21 13:28, Ian Batten wrote about datetime notations
   with a numeric time zone offset:


>   Except when it isn't.  RFC822 and its successors have had a good influence, and mailsystems usually get this right.  But ctime(3)  doesn't, and outside mail systems it's rare (see my previous message) to find systems that record the timezone symbolically, never mind numerically.

>

    Other examples of "systems" with a numeric time zone offset are
    SQL systems (TIMESTAMP WITH TIME ZONE), and XML Schema.
    Not so rare after all.

    Michael Deckers.