We don’t have a holiday that is the equivalent of Easter. We do have a Sabbat on the day of the Spring Equinox, though, called Ostara by Wiccans. The Sabbats based on celestial events such as Fall Equinox, Winter Solstice, Spring Equinox, Summer Solstice are fairly modern, unlike the Greater Sabbats (agricultural festivals) which do date back to antiquity.