Bug 216312

Summary:	missing explanation for leap seconds when setting date in date(1)
Product:	Base System	Reporter:	Victor Porton <porton>
Component:	bin	Assignee:	freebsd-bugs (Nobody) <bugs>
Status:	New ---
Severity:	Affects Many People
Priority:	---
Version:	9.2-RELEASE
Hardware:	Any
OS:	Any

Description Victor Porton 2017-01-20 13:32:17 UTC

From `date` manpage:

When setting values (rather than adjusting them), seconds are in
the range 0-59, minutes are in the range 0-59, hours are in the

It is wrong, because in some years (such as 2016) there are leap seconds what mean that there is 23:59:60 time (with 60 seconds, not in 0-59 range).