method

find_zone!

v5.2.3 - Show latest stable - Class: Time

find_zone!(time_zone)

public

Returns a TimeZone instance matching the time zone provided. Accepts the time zone in any format supported by Time.zone=. Raises an ArgumentError for invalid time zones.

Time.find_zone! "America/New_York" # => #<ActiveSupport::TimeZone @name="America/New_York" ...>
Time.find_zone! "EST"              # => #<ActiveSupport::TimeZone @name="EST" ...>
Time.find_zone! -5.hours           # => #<ActiveSupport::TimeZone @name="Bogota" ...>
Time.find_zone! nil                # => nil
Time.find_zone! false              # => false
Time.find_zone! "NOT-A-TIMEZONE"   # => ArgumentError: Invalid Timezone: NOT-A-TIMEZONE

# File activesupport/lib/active_support/core_ext/time/zones.rb, line 82
    def find_zone!(time_zone)
      if !time_zone || time_zone.is_a?(ActiveSupport::TimeZone)
        time_zone
      else
        # Look up the timezone based on the 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)
        end

        # Return if a TimeZone instance, or wrap in a TimeZone instance if a TZInfo::Timezone
        if time_zone.is_a?(ActiveSupport::TimeZone)
          time_zone
        else
          ActiveSupport::TimeZone.create(time_zone.name, nil, time_zone)
        end
      end
    rescue TZInfo::InvalidTimezoneIdentifier
      raise ArgumentError, "Invalid Timezone: #{time_zone}"
    end

find_zone!

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