<Tr> <Th> Frequency </Th> <Td> Annual </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Boxing Day (concurrent), Christmastide, Wren Day </Td> </Tr> <P> Saint Stephen's Day, or the Feast of Saint Stephen, is a Christian saint's day to commemorate Saint Stephen, the first Christian martyr or protomartyr, celebrated on 26 December in the Latin Church and 27 December in Eastern Christianity . The Eastern Orthodox Church adheres to the Julian calendar and mark Saint Stephen's Day on 27 December according to that calendar, which places it on 9 January of the Gregorian calendar used in secular contexts . In Latin Christian denominations, Saint Stephen's Day marks the second day of Christmastide . </P> <P> It is an official public holiday in Alsace - Moselle, Austria, the Balearic Islands, Bosnia and Herzegovina, Catalonia, Croatia, the Czech Republic, Denmark, Estonia, Finland, Germany, the Republic of Ireland, Italy, Luxembourg, Macedonia, Montenegro, Norway, the Philippines, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Ukraine, and Switzerland . The date is also a public holiday in those countries that celebrate Boxing Day on the day in addition to or instead of Saint Stephen's Day, such as Australia, Canada and the United Kingdom . </P>

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