get_zone

# File activesupport/lib/active_support/core_ext/time/zones.rb, line 45
      def get_zone(time_zone)
        return time_zone if time_zone.nil? || time_zone.is_a?(ActiveSupport::TimeZone)
        # lookup timezone based on identifier (unless we've been passed a TZInfo::Timezone)
        unless time_zone.respond_to?(:period_for_local)
          time_zone = ActiveSupport::TimeZone[time_zone] || TZInfo::Timezone.get(time_zone) rescue nil
        end
        # Return if a TimeZone instance, or wrap in a TimeZone instance if a TZInfo::Timezone
        if time_zone
          time_zone.is_a?(ActiveSupport::TimeZone) ? time_zone : ActiveSupport::TimeZone.create(time_zone.name, nil, time_zone)
        end
      end