Unless otherwise provided by law, a referendum on any question may be held at such hours as is provided in § 7-9b and on such date as the legislative body of the political subdivision holding such referendum shall determine pursuant to the provisions of the local charter, special act or home rule ordinance or not earlier than the thirtieth day following the day upon which the municipal clerk, upon instruction from the legislative body, issues a warning therefor by publishing a notice thereof in a newspaper having a general circulation in the municipality. In the case of any question to be submitted at an election as that term is defined in § 9-1, the provisions of sections 9-369, 9-369a and 9-370 shall apply. The provisions of this section shall not apply to votes scheduled under § 7-7.