[tz] Beginner's help request

[Paul Eggert]

Daniel Ford wrote:
> Perhaps if I can find somewhere that explains 'POSIX TZ string format', I might begin to understand your table.  I'll have a look around.

http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html

(Look for "TZ".) This explains the POSIX TZ variable's format.


http://man7.org/linux/man-pages/man5/tzfile.5.html

(Look for "Version 3 format".) This explains the minor extensions used in tzdb 
binary files.