St Patrick's Day Countdown
Counting down to St Patrick's Day
How it works
St Patrick's Day began as a religious feast day honouring Saint Patrick, the patron saint of Ireland, who is credited with bringing Christianity to the island in the fifth century. The day was observed by the Catholic Church for centuries before becoming a public holiday in Ireland in 1903. Traditionally it was a quiet day of church services and family gatherings, with Lenten fasting suspended so people could celebrate with a meal and a drink.
Over time, St Patrick's Day grew into a major secular celebration around the world — especially in the United States, the United Kingdom, Canada, and Australia, where large Irish diaspora communities turned the feast day into a festival of parades, green clothing, music, and pub gatherings. Cities like New York, Chicago, Boston, and Dublin now host some of the largest St Patrick's Day parades on the planet, drawing millions of revellers each year.
Unlike Easter, Thanksgiving, or Mother's Day, the date of St Patrick's Day never changes. It is always 17 March — a fixed calendar date rather than a lunar cycle or weekday rule. That makes the countdown straightforward: Clockr targets midnight on 17 March of the current year, and if that date has already passed, it automatically rolls forward to 17 March of the following year.
Frequently asked questions
When is St Patrick's Day?
St Patrick's Day is always on 17 March. It does not move from year to year like Easter or Thanksgiving. The live countdown at the top of this page shows the exact date and time remaining until the next 17 March.
Why is St Patrick's Day celebrated?
St Patrick's Day honours Saint Patrick, Ireland's patron saint, who is believed to have introduced Christianity to Ireland in the fifth century. What began as a religious feast day has evolved into a broader celebration of Irish culture and heritage, recognised by people of Irish descent and many others worldwide.
Is St Patrick's Day a public holiday in Ireland?
Yes. St Patrick's Day has been a public holiday in the Republic of Ireland since 1903. Banks, schools, and many businesses close for the day. Northern Ireland also recognises the date, though it is not a full public holiday there in the same way.
Why do people wear green on St Patrick's Day?
Green is strongly associated with Ireland — often called the Emerald Isle — and with Irish nationalism and identity. Wearing green on St Patrick's Day is a visible way to show Irish pride. The shamrock, which Saint Patrick is said to have used to explain the Holy Trinity, is another enduring green symbol of the day.
Is St Patrick's Day celebrated outside Ireland?
Absolutely. St Patrick's Day is celebrated in countries around the world, particularly where Irish communities settled in large numbers — the United States, the United Kingdom, Canada, Australia, and New Zealand among them. Major cities host parades, festivals, and events that draw huge crowds each 17 March.
Does the date of St Patrick's Day ever change?
No. St Patrick's Day is always 17 March. Unlike movable holidays such as Easter (tied to the lunar calendar) or Thanksgiving (tied to a weekday), it follows a fixed date on the Gregorian calendar every single year.