# A Day Is a Holiday

> A perpetual calendar of 4,076 holidays and observances for every day of the year, spanning all eras, traditions, and cultures.

## What is this?

A Day Is a Holiday is a perpetual calendar proving that every single day of the Gregorian year is celebrated as a holiday somewhere in the world. It catalogs 4,076 distinct holidays across 366 days, drawn from 20+ traditions:

- **Secular/Cultural**: 2,278 National, International, and World Day observances (e.g. National Cheese Day, National Pizza Day, World Coconut Day)
- **National holidays**: 425 independence days, republic days, constitution days, and national days from every UN member state
- **Christian**: 991 saints' feast days, liturgical feasts, and holy days (Catholic, Orthodox, Anglican, Protestant)
- **Ancient Roman**: 113 festivals including Lupercalia, Saturnalia, Floralia, Cerealia, Matronalia, Parilia, Veneralia, Lemuria, Consualia, Volcanalia, and more
- **UN/International**: 148 UN-designated observances (World Health Day, International Women's Day, Earth Day, etc.)
- **Pagan/Celtic**: 16 sabbats of the Wheel of the Year (Imbolc, Ostara, Beltane, Litha, Lughnasadh, Mabon, Samhain, Yule)
- **Hindu, Buddhist, Sikh, Jain, Zoroastrian, Bahá'í, Shinto, Jewish, Islamic, Greek/Hellenic, Egyptian/Mesopotamian, Inca, Rastafari**

## Data

The full dataset is available as structured JSON at https://adayisaholiday.com/holidays.json

Each entry contains:
- `date` (MM-DD format)
- `month` (1-12)
- `day` (1-31)
- `name` (holiday name)
- `category` (Christian, National, Roman, UN/International, Secular/Cultural, Pagan/Celtic, etc.)
- `country` (for country independence days and US-style `National …` observances; omitted for International/World Days)

## Key facts

- Every day of the year (366 days including leap day) has at least one holiday
- The most common category is Secular/Cultural National Days (2,278 entries)
- National holidays cover 425 entries across 170+ countries
- Ancient Roman festivals contribute 113 fixed-date observances
- Lunar calendar festivals (Islamic, Jewish, Hindu, Buddhist) are marked with approximate Gregorian dates
- Floating secular observances (e.g. National Doughnut Day) use their 2026 Gregorian dates in this perpetual calendar

## Source

Curated from Wikipedia (Roman festivals, Calendar of Saints, List of UN observances, List of national independence days, National day), interfaith-calendar.org, National Day Calendar, Checkiday (National/International/World Day observances), and general reference knowledge.

## Links

- Website: https://adayisaholiday.com
- GitHub: https://github.com/james-see/everydayisaholiday
- Data: https://adayisaholiday.com/holidays.json