Event Timeline Calculator

Every event follows a rough sequence of blocks -- arrival, a main program, food, and a wind-down -- and this calculator generates that sequence as clock times rather than just relative durations, so you have a schedule you can hand to a venue or vendor. Event Type sets which four segments apply and roughly how long each one runs: a wedding moves through Ceremony, Cocktail Hour, Dinner, and Dancing & Celebration, while a corporate event instead runs Networking, Presentations, Dinner, and a Social Hour, since the two event types have genuinely different structures rather than just different labels on the same template. Formality Level then adjusts how long each of those segments runs within whichever event type you've chosen -- a Formal/Black Tie wedding gets a longer ceremony, cocktail hour, dinner, and dancing block than a Casual one, reflecting that more formal events typically allow more time per segment. Event Start Time only shifts every segment's clock time together; it has no effect on Total Duration, since Total Duration is the sum of the four segment lengths, and those lengths come entirely from Event Type and Formality Level, not from what hour you start at.

That means a 2:00 PM wedding and a 6:00 PM wedding at the same Formality Level always run the same total length -- only the clock times printed in each segment shift. What this calculator does not do is account for guest count, venue-specific logistics (room turnover time, travel between ceremony and reception sites), or vendor setup/teardown windows -- treat the segments as a planning skeleton to confirm with your venue and vendors, not a locked-in schedule. A late Event Start Time combined with a long Total Duration can push a segment or the End Time past midnight; when that happens the printed clock time carries a "(next day)" marker so a vendor reading the schedule isn't handed an ambiguous "12:30 AM" with no indication of which calendar day it falls on.