November 1 2022 All Saints Day!, It is celebrated on the first Sunday of the Pentecost by Eastern Orthodox Churches. It is an official public holiday in Catholic countries. It is not an official public holiday in the US, the UK, Canada, and Australia. Other names for it are All Hallows' Day, Feast of All Saints, Solemnity of All Saints, and Hallowmas. On October 31, many Americans celebrate Halloween, and some celebrate All Saint's Eve or All Hallow's Eve. The following day is celebrated by Catholics and Anglican Christians as All Saints' Day , which is followed by All Souls' Day, or Día de los Muertos in Mexican tradition On October 31, many Americans celebrate Halloween, and some celebrate All Saint's Eve or All Hallow's Eve. The following day is celebrated by Catholics and Anglican Christians as All Saints' Day , which is followed by All Souls' Day, or Día de los Muertos in Mexican tradition