Christianity vs Judaism

The Christian liturgical calendar varies by tradition but includes several widely observed seasons and feast days: [2][3]

Christmas (December 25 in Western churches; January 7 in many Eastern churches): Celebrates the birth of Jesus. The season of Advent (four weeks before Christmas) is a period of preparation. Easter: The most important Christian feast, celebrating the resurrection of Jesus. The date varies annually (March-April in Western churches; sometimes different in Eastern churches due to calendar differences). Holy Week, including Palm Sunday, Maundy Thursday, and Good Friday, precedes Easter. Lent: A 40-day period of fasting, prayer, and penitence before Easter, observed in Catholic, Orthodox, Anglican, and many other traditions. Pentecost: Celebrated 50 days after Easter, marking the descent of the Holy Spirit on the apostles. Epiphany (January 6): Commemorates the visit of the Magi in Western tradition and the baptism of Jesus in Eastern tradition. [2][3]

Catholic and Orthodox churches observe extensive calendars of saints' days, Marian feasts, and other commemorations throughout the year. Protestant observance of the liturgical calendar varies widely, with some traditions following it closely and others focusing primarily on Christmas and Easter. [2][3]

The Jewish calendar is lunisolar, with holidays beginning at sunset: [2][3]

Shabbat (weekly): The Sabbath, observed every Friday evening to Saturday evening, is the most frequent Jewish observance. Rosh Hashanah (September-October): The Jewish New Year, beginning a ten-day period of repentance. Marked by the blowing of the shofar (ram's horn). Yom Kippur (September-October): The Day of Atonement, the holiest day in the Jewish calendar. A 25-hour fast devoted to prayer, repentance, and reconciliation. Sukkot (September-October): The Festival of Booths, commemorating the Israelites' wandering in the wilderness. Families build and eat in temporary shelters (sukkot). Hanukkah (November-December): The Festival of Lights, commemorating the rededication of the Second Temple. Celebrated by lighting the menorah over eight nights. Purim (February-March): Celebrates the deliverance of the Jewish people as told in the Book of Esther. Marked by reading the Megillah, costumes, and festive meals. Passover/Pesach (March-April): Commemorates the Exodus from Egypt. The Seder meal, with its structured readings from the Haggadah, is the central ritual. Shavuot (May-June): Celebrates the giving of the Torah at Sinai. Marked by all-night study sessions and dairy foods. Tisha B'Av (July-August): A day of mourning commemorating the destruction of both Temples and other tragedies in Jewish history. [2][3]