Why Joda DateTimeFormatter cannot parse timezone names ('z')

Question

From DateTimeFormatter javadoc:

Zone names: Time zone names (\'z\') cannot be parsed.

Therefore timezone parsing like:

Answer 1

Probably because some time zone abbreviations are ambiguous and the parser can't know which time zone is meant.

It might of course also be one of the tiny, strange ticks and missing features you find after working with Joda for a while.