Greece

New Year's Day is the first day of the year, or January 1, in the Gregorian calendar.

Epiphany is a Christian holiday celebrated globally on January 6 each year. It commemorates two events recorded in the Bible: the three wise men's visit to baby Jesus; and Jesus' baptism.

The Three Holy Hierarchs is a observance in Greece

February 14 is Valentine's Day or Saint Valentine's Feast. The day of love owes its origins to ancient Roman and European Christian traditions.

Clean Monday is a government holiday in Greece

Greek Independence Day is a national holiday in Greece

Annunciation of the Virgin Mary is a national holiday in Greece

Millions of Orthodox Christians around the world annually observe Good Friday to commemorate the events leading up to Jesus Christ's crucifixion.

Millions of Orthodox Christians around the world often celebrate Easter Sunday at a different time to the date set by many western churches.

Orthodox Easter Monday is the day after the Orthodox Easter Sunday.

Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.

Mother's Day celebrates the achievements and efforts of mothers and mother figures.

Orthodox Holy Spirit Sunday is a observance in Greece

Orthodox Holy Spirit Monday is a government holiday in Greece

Father's Day celebrates fatherhood and male parenting on different dates worldwide.

The Restoration of Democracy is a observance in Greece

The Christian feast of the Assumption of Mary is on or around Aug 15 in most countries. A few celebrate Assumption Day at other times of the year.

The Ochi day is a national holiday in Greece

Polytechneio is a observance in Greece

Armed Forces Day is a observance in Greece

Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar.

Synaxis of the Mother of God is a national holiday in Greece