2. Branch of astrology based on the theory that some dates and times are preferable to others for initiating an activity. It is often used by people in the know to schedule a wedding, business opening, job interview or acceptance, listing a home for sale or buying a home, signing contracts, and major purchases such as vehicles. There is no perfect time for anything, so the electional astrologer selects the best possible date and time to maximize the planetary positions in favor of the election.