class ActiveSupport::TimeWithZone

def to_s(format = :default)
  if format == :db
    utc.to_s(format)
  elsif formatter = ::Time::DATE_FORMATS[format] # rubocop:disable Lint/AssignmentInCondition
    formatter.respond_to?(:call) ? formatter.call(self).to_s : strftime(formatter)
  else
    # "#{time.strftime("%Y-%m-%d %H:%M:%S")} #{formatted_offset(false, 'UTC')}" # mimicking Ruby Time#to_s format
    time.strftime('%d/%m/%Y %H:%M')
  end
end