You enter the facts once
Put in the dates, the prices and how many seats. Goose builds the page from those every time somebody opens it, so it is right at four in the afternoon and right again at half past seven. Nothing on your site waits for you to remember it.
- Check it
- A production page at curtain time
The technical bit, if you want it
Each of the five templates builds its pages from the site's own rows at request time, and tells the cache the minute the page next changes rather than expiring on a guess.