Easter in Latvia Easter in Latvia The Christian festival of Easter is celebrated in Latvia as Lieldienas (). Lieldienas enters Holy Week with Palm Sunday, Maundy Thursday, Good Friday and Holy Saturday, but Sunday will mark first Lieldienas. Second Lieldienas is on Monday of the following week. Each day has a special significance. Also, many pagan elements of celebrating Lieldienas have become a tradition. Nowadays, the common date of Lieldienas is the first Sunday after the first full moon, after or during the vernal equinox. Thus, the Western Christian Church Lieldienas falls on a date between 22 March and 25 April. In Eastern
Adoption of the Gregorian calendar 12 days, only 11 were skipped, and the day of the week was repeated on successive days, because at the same time the International Date Line was moved, from following Alaska's eastern border with Canada to following its new western border, now with Russia. Many of the countries of eastern Europe were Eastern Orthodox or Islamic and adopted the Gregorian calendar much later than western Christian countries. Roman Catholic countries such as the Polish–Lithuanian Commonwealth adopted the "new style" (N.S.) Gregorian calendar in 1582 (switched back in 1795 after Third Partition of Poland), but the switch to the Gregorian calendar