See every beautiful moon of 2021 with Kim Long's classic and handy moon calendar card Sturdy and convenient 10" x 6.75" reference card Front: Lunar calendar with realistic moon images Back: Dates and times of every phase change, eclipse, apogee, and perigee One pack includes 40 copies This is the 39th edition of Kim Long's classic moon calendar, the first of its kind and a fan favorite since 1982. With a graphic, at-a-glance 2021 lunar calendar on the front and easy-to-read, detailed data provided by NASA's Sky Events Calendar* on the reverse, this handy card is a fun reminder to tack up by your desk or in your garden shed. Available in a pack of 5 and a pack of 40, it also makes a great gift for kids, gardeners, fishermen and sportsmen, sky watchers, and followers of the many faiths that mark time by the Moon. Whatever your reason for moon watching, you won't miss a thing with the 2021 Moon Calendar Card! *Sky Events Calendar by Fred Espenak and Sumit Dutta (NASA's GSFC).