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Major Holidays and Rituals Across the World's Religions

A fact-based tour of the major holidays of Christianity, Islam, Hinduism, Buddhism and Judaism: what each one commemorates, how it is observed, and why the dates move from year to year.

1. Christianity - Christmas and Easter

Christmas commemorates the birth of Jesus Christ and is observed on December 25 by most Western churches. Many Orthodox churches that follow the older Julian calendar celebrate on January 7 of the Gregorian calendar. Easter commemorates what Christians believe to be Jesus's resurrection after his crucifixion. In Western churches it falls on the first Sunday after the first full moon on or after March 21, so it moves between late March and late April, and Orthodox Easter often falls on a different date. The weeks before Easter include Lent, a period of about 40 days of fasting or restraint, and Holy Week, which includes Good Friday. Both Christmas and Easter are public holidays in many countries.

2. Islam - Ramadan and Eid al-Fitr

Ramadan is the ninth month of the Islamic calendar, a month in which healthy adult Muslims fast from dawn to sunset, abstaining from food, drink and other things during the day. A month lasts 29 or 30 days depending on the sighting of the new moon. When the fast ends, Eid al-Fitr is celebrated with a special prayer, a festive meal, new clothes in many places, visits to relatives, and charity (zakat al-fitr) for the needy. Because the Islamic calendar is lunar and its year is about 354 or 355 days, Ramadan and Eid shift about 10 to 11 days earlier each year relative to the solar calendar and cycle through all seasons over about 33 years.

3. Islam - Eid al-Adha and the Hajj

Eid al-Adha, the 'feast of sacrifice', falls on the 10th day of Dhu al-Hijjah, the month of the Hajj pilgrimage to Mecca. It remembers the willingness of the prophet Ibrahim (Abraham) to sacrifice his son, which God replaced with a ram. Families who can afford it traditionally sacrifice an animal and share the meat with relatives, neighbors and the poor. Together with Eid al-Fitr it is one of the two major festivals in Islam, and in many Muslim-majority countries it is a multi-day public holiday.

4. Hinduism - Diwali (the Festival of Lights)

Diwali, one of the most widely celebrated Hindu festivals, symbolizes the victory of light over darkness and good over evil. It is typically observed over about five days in autumn (October or November), following a lunar calendar. Households light oil lamps (diyas), decorate with rangoli patterns, set off fireworks, clean their homes, exchange sweets and gifts, and pray to Lakshmi, the goddess of prosperity. The story behind it differs by region: in much of northern India it recalls Rama's return to Ayodhya, while elsewhere it is linked to Krishna or Lakshmi. Diwali is also celebrated by Jains, Sikhs and some Buddhists with their own meanings.

5. Hinduism - Holi and other major festivals

Holi, the festival of colors, usually falls in March, welcomes spring and marks the triumph of good over evil. People throw colored powder and water at each other and share festive food. Other major Hindu festivals include Navaratri (nine nights honoring the goddess in autumn), Dussehra and Maha Shivaratri. Regional observances vary widely across India, Nepal and the diaspora, so a single description will never fit every community.

6. Buddhism - Vesak and Buddha's Birthday

Buddhists commemorate the birth of Siddhartha Gautama, the Buddha. In many Theravada countries such as Sri Lanka and Thailand, the festival of Vesak (Wesak) falls on the full moon of May and also remembers the Buddha's enlightenment and death. In South Korea the birthday is observed on the 8th day of the 4th lunar month and is a public holiday, with temples hanging colorful lotus lanterns and holding lantern parades. In Japan, a similar day, Hanamatsuri, is held on April 8, where visitors pour sweet tea over a small statue of the baby Buddha. The United Nations has recognized Vesak since 2000. Dates differ across traditions and countries, so check the local calendar.

7. Judaism - Rosh Hashanah and Yom Kippur

Rosh Hashanah, the Jewish New Year, is observed on the first two days of the month of Tishrei (usually in September or early October) and includes the blowing of a ram's horn (shofar) and sweet foods such as apples dipped in honey for a good year. Ten days later comes Yom Kippur, the Day of Atonement, a day of fasting from sundown to nightfall the next day (about 25 hours), prayer and repentance. These Ten Days of Awe are a time of reflection and reconciliation. Yom Kippur is considered the holiest day in Judaism. Because the Jewish calendar is lunisolar, dates move within a window in the Gregorian calendar.

8. Judaism - Passover, Hanukkah and other festivals

Passover (Pesach) commemorates the exodus from slavery in Egypt, lasts seven or eight days in spring, and centers on the seder meal, where matzah, unleavened bread, is eaten and the story is retold. Hanukkah lasts eight nights, usually in December, remembers the rededication of the Temple in Jerusalem, and is marked by lighting the menorah (hanukkiah) one more candle each night. Others include Sukkot, Shavuot and Purim. Hanukkah is sometimes called the 'Jewish Christmas' because of timing, but it is a minor festival historically.

9. Common rituals found across holidays - fasting, purification, and gathering

Even across different religions and cultures, several commonalities appear in holiday rituals. Representative examples include fasting, which disciplines the body and mind, as in Ramadan, Yom Kippur or Lent; symbols of purification, such as ritual washing or lighting lamps; and gatherings where family and community come together to share food. It shows that, while the forms of expression differ by religion, they carry similar values of discipline, reflection, charity and community solidarity.

10. Cases where religious holidays became public holidays

In many countries a religious holiday is also a day off for everyone. In South Korea, Buddha's Birthday and Christmas are both national public holidays. In the United States, Christmas is a federal holiday, and in India, public holidays include Diwali, Eid and Christmas, among others. In Indonesia, a country with a large Muslim majority, the public holiday calendar also includes Christian, Hindu and Buddhist holidays. As a result, original religious significance is often joined by a broader cultural meaning of rest and togetherness, and non-believers may take part in the secular side of the day.

11. Why dates differ: solar, lunar and lunisolar calendars

Holiday dates depend on the calendar a tradition uses. Christmas follows a fixed solar date. Easter depends on a lunar rule, the Islamic calendar is purely lunar, and the Hindu, Buddhist and Jewish calendars are lunisolar, adding months periodically to stay aligned with the seasons. Also, a Jewish or Islamic day begins at sunset, so holidays start the evening before the date shown on a standard calendar. Always check an up-to-date calendar from a religious authority or official source for the current year.

12. Etiquette: respectful participation

If you are invited to a holiday meal or service, ask the host about customs. Dress modestly for visits to places of worship, remove shoes where requested, and avoid food or drink in front of someone who is fasting unless they say it is fine. When greeting, a simple phrase such as 'Happy Diwali', 'Eid Mubarak' or 'Happy holidays' is welcomed. Do not assume one person speaks for an entire religion, because practice varies greatly.

Understanding the world's religious holidays through a fact-centered lens

Religions around the world each observe holidays commemorating important historical events or doctrines, and these holidays have served to strengthen the community bonds among believers. This page introduces the origin, meaning, and related rituals of representative world religious holidays through an objective, fact-centered lens, without any intent to rank one religion above another. This content is general educational information, not a substitute for religious authority, and explains the meaning of each holiday according to the way believers themselves understand it.

Holidays by season and by season of life

Religious calendars mark both the turning of the year and personal milestones. Spring brings Passover, Easter and Holi; autumn brings Diwali, Navaratri and the Jewish High Holidays; Ramadan and the Hajj season travel around the solar year. In addition to yearly festivals, each tradition has rites of passage such as baptism, bar and bat mitzvah, and weddings, which are not covered here but frequently include their own festive meals.

Things people commonly mix up

Ramadan is a month, and Eid al-Fitr is the celebration that ends it. Hanukkah is not the Jewish equivalent of Christmas in importance. Diwali is not only a Hindu festival. Lent is not a holiday but a season of preparation. Vesak and Buddha's Birthday refer to the same observance in many countries but fall on different days depending on the tradition. Knowing these distinctions helps avoid awkward mistakes when greeting colleagues, neighbors or classmates.

Also explore a comparison of the world's major religions

Once you've looked at each religion's holidays, take a look at our comparison of the world's major religions as well to explore the structural differences in doctrine and worldview.

Frequently Asked Questions

Why do Islamic holidays fall on different dates every year?

The Islamic calendar is a lunar calendar based on the moon's movement, so a year is about 11 days shorter than the solar calendar. For this reason, Islamic holidays like Ramadan and Eid al-Fitr shift roughly 10 to 11 days earlier each year relative to the solar calendar. Exact start dates can also differ by a day between countries depending on moon sighting.

Which religious holidays are designated public holidays in South Korea?

In South Korea, Christmas (December 25, a Christian holiday) and Buddha's Birthday (the 8th day of the 4th lunar month, a Buddhist holiday) are designated national public holidays. Beyond these, holidays like Seollal and Chuseok are classified as holidays closer to traditional seasonal customs than religious observances.

Why is Easter on a different date every year?

Easter is tied to the moon. In Western churches it falls on the first Sunday after the first full moon on or after March 21, so it can land between late March and late April. Eastern Orthodox churches use a different calendar for the calculation, so their Easter is often on another date.

Do Jewish holidays start the evening before?

Yes. In the Jewish calendar, a day begins at nightfall, so holidays such as Rosh Hashanah and Yom Kippur begin at sundown on the evening before the date shown on a regular calendar. The same evening-start convention applies to the Sabbath, which starts on Friday at sunset.

What is a polite greeting for each of these holidays?

Common greetings are 'Merry Christmas' or 'Happy Easter', 'Ramadan Mubarak' or 'Eid Mubarak', 'Happy Diwali', 'Happy Vesak', and 'Shanah Tovah' for Rosh Hashanah. If you are unsure whether someone observes a holiday, a general 'happy holidays' is fine, and asking is also welcome.