NervesTimeZones.time_zones

You're seeing just the function time_zones, go back to NervesTimeZones module for more information.

Specs

time_zones() :: [String.t()]

Return all known time zones

This function scans the time zone database each time it's called. It's not slow, but if you just need to verify whether a time zone exists, call valid_time_zone?/1 instead.