St. Patrick's Day 2031
Updated June 9, 2026
St. Patrick's Day 2031 is on Monday, March 17, 2031.
Monday, March 17, 2031
When is St. Patrick's Day 2031?
St. Patrick's Day 2031 is on Monday, March 17, 2031. St. Patrick's Day is a cultural and religious celebration of Irish heritage.
St. Patrick's Day 2031 falls on Monday, March 17, 2031 — day 76 of the year, in week 12. Below you'll find its history, how it's celebrated, the dates for other years, and a free printable March 2031 calendar.
About St. Patrick's Day
St. Patrick's Day honors Saint Patrick, the patron saint of Ireland, who is credited with bringing Christianity to the island in the fifth century. Originally a religious feast day, it grew into a celebration of Irish culture, carried worldwide by the Irish diaspora. American cities such as Boston, New York, and Chicago hold some of the largest parades.
🎉 Traditions & Celebrations
- Wearing green and shamrocks
- Parades and Irish music
- Irish food and drink
- Dyeing rivers and landmarks green
🗓️ Date Details
- Date: Monday, March 17, 2031
- Day of Year: 76
- Week Number: 12
- Public Holiday: No (observance)
❓ Frequently Asked Questions
Is St. Patrick's Day a public holiday?
In the United States it is a popular observance but not a federal holiday. It is a public holiday in Ireland.
Why do people wear green on St. Patrick's Day?
Green is associated with Ireland (the Emerald Isle), the shamrock that St. Patrick reputedly used to teach, and Irish nationalism.