is localtime file binary compatible with older releases?

[M. Warner Losh]

In message: <01794015-8EF8-4809-895C-E04CA6DA78F6 at khera.org>
            Vivek Khera <vivek at khera.org> writes:
: Is the compiled time zone info file binary compatible across FreeBSD  
: versions?  I have a couple of 4.x and one 5.x box still on my  
: network, and I was wondering if it was possible to just copy the /etc/ 
: localtime from a new 6.1 box on to all of them rather than having to  
: install the updated zone file port.

Yes.

Warner