As one of the main people who worked on time related aspects of the
IEEE P1003.1 POSIX standard, I'd like to make a few comments about how
it came to be the way it is now.
First I'd like to tell you about the early consensus on time; before
any of the POSIX time specs were written. I'm not
The second reality is that many existing applications depend on calculations
that assume that time_t has exactly 86400 seconds per year. (Note that it
does NOT follow from this that there are 86400 POSIX seconds in any given
calendar year. ...
Obviously you mean per day.
UTC+TZ is the only
