The term DAY FOLLOWING LENT can be solved by the 6-letter word EASTER. EASTER is a Christian holiday that celebrates the resurrection of Jesus Christ. It is celebrated on the first Sunday after the first full moon following the vernal equinox, which usually falls between March 22 and April 25. The day following Lent is EASTER Sunday, which marks the end of the 40-day period of fasting and prayer known as Lent.