icalendar--convert-all-timezones

icalendar--convert-all-timezones is a compiled Lisp function in `icalendar.el'.

(icalendar--convert-all-timezones ICALENDAR)

Convert all timezones in the ICALENDAR into an alist.
Each element of the alist is a cons (ID . TZ-STRING),
like `icalendar--parse-vtimezone'.