class TZInfo::Timezone

def local_to_utc(local_time, dst = Timezone.default_dst)

Raises:
  • (AmbiguousTime) - if `local_time` was ambiguous for the time zone and
  • (PeriodNotFound) - if `local_time` is not valid for the time zone
  • (ArgumentError) - if `local_time` is `nil`.

Returns:
  • (Object) - the UTC equivalent of `local_time` as a `Time`,

Other tags:
    Yieldreturn: - to resolve the ambiguity: a chosen {TimezonePeriod}

Other tags:
    Yieldparam: periods - an `Array` containing all

Other tags:
    Yield: - if the `dst` parameter did not resolve an ambiguity, an

Parameters:
  • dst (Boolean) -- whether to resolve ambiguous local times by always
  • local_time (Object) -- a `Time`, `DateTime` or {Timestamp}. 
def local_to_utc(local_time, dst = Timezone.default_dst)
  raise ArgumentError, 'local_time must be specified' unless local_time
  Timestamp.for(local_time, :ignore) do |ts|
    period = if block_given?
      period_for_local(ts, dst) {|periods| yield periods }
    else
      period_for_local(ts, dst)
    end
    ts.add_and_set_utc_offset(-period.observed_utc_offset, :utc)
  end
end