Futures are a type of contract where a buyer and seller agree on a price on a particular item to be delivered on a certain date in the future, hence the name. (courant.com)
Off - peak pricing would also only apply on certain dates for a few weeks in the Spring so the next time these awards would even be possible would be spring of 2015. (themilesprofessor.com)
Return to the village frequently to discover special events only happening on certain dates, such as birthdays and other celebrations. (animalcrossingworld.com)