Any hearing being held, or noticed or ordered to be held, by a legislative body of a local agency at any meeting may by order or notice of continuance be continued or recontinued to any subsequent meeting of the legislative body in the same manner and to the same extent set forth in Section 54955 for the adjournment of meetings; provided, that if the hearing is continued to a time less than 24 hours after the time specified in the order or notice of hearing, a copy of the order or notice of continuance of hearing shall be posted immediately following the meeting at which the order or declaration of continuance was adopted or made.