Question 1

What is A Day Is a Holiday?

Accepted Answer

A perpetual calendar listing at least one holiday for every day of the year, drawn from Christian, Jewish, Islamic, Hindu, Buddhist, Sikh, Jain, Zoroastrian, Bahá'í, Shinto, ancient Roman/Greek/Egyptian, Celtic/Wiccan, UN, national, and secular traditions. The dataset contains 1,851 observances across 366 days.

Question 2

How many holidays are listed?

Accepted Answer

1,851 holidays and observances across 366 days, including 425 national independence days, 991 Christian saints' feast days, 113 ancient Roman festivals, 148 UN international days, and 16 pagan/Celtic sabbats.

Question 3

What traditions does the calendar cover?

Accepted Answer

The calendar covers Christian (Catholic, Orthodox, Anglican, Protestant), Jewish, Islamic, Hindu, Buddhist, Sikh, Jain, Zoroastrian, Bahá'í, Shinto, ancient Roman, Greek/Hellenic, Egyptian/Mesopotamian, Celtic/Wiccan, Inca, Rastafari, UN/international, national independence days, and secular/cultural observances.

Question 4

Where can I get the holiday data?

Accepted Answer

The full dataset is available as structured JSON at https://adayisaholiday.com/holidays.json with fields for date, month, day, name, category, and country.

Question 5

What is the most common holiday on any given day?

Accepted Answer

Christian saints' feast days are the most common (991 entries), followed by national independence and national days (425 entries), and UN international observances (148 entries). Ancient Roman festivals contribute 113 fixed-date observances.