Questions about mktime()

[Stephen Clamage]

darcy at druid.uucp (D'Arcy J.M. Cain) writes:

>I understand that tm_mday of -1 means the last day of the previous month.
>Obvously 1 would be the first of the current month so where does 0 lie?

No, the valid range of tm_mday is 1 to 31.  Thus in a call to mktime,
a value of 0 must refer to the day before the first of the given month --
that is, the last day of the previous month.  Then -1 is the next-to-last
day of the previous month.
-- 

Steve Clamage, TauMetric Corp, steve at taumet.com