U.S. observance
How Many Days Until St. Patrick's Day 2027?
Today: · Eastern Time (America/New_York)
Calendar days until St. Patrick's Day
144 days until St. Patrick's Day
St. Patrick's Day is on Wednesday, March 17, 2027.
Live countdown to midnight on March 17, 2027
143 days, 17 hours, 30 minutes, 55 seconds remaining
Eastern Time (America/New_York). Countdown days are 24 hours; the calendar-day count above uses local dates.
- Calendar days (signed)
- 144
- Full weeks + days
- 20 weeks + 4 days
- Calendar months + days
- 4 months + 21 days
- Years, months, days
- 0 years, 4 months, 21 days
- Weekdays counted
- 103
- Weekend days counted
- 41
- U.S. business days
- 97
- Observed holiday dates skipped
- 6
What is St. Patrick's Day?
St. Patrick's Day, March 17, honors the patron saint of Ireland and celebrates Irish heritage. In the United States it is a cultural celebration rather than a public holiday.
History of St. Patrick's Day
March 17 is the traditional date of Patrick's death in the fifth century; he is credited with bringing Christianity to Ireland. Irish immigrants made it a major American celebration: Boston held an observance in 1737 and New York's parade dates to 1762, making it older than the United States.
St. Patrick's Day today
Cities hold parades, with New York's among the largest in the world, and people wear green and shamrocks. Chicago has dyed its river green since 1962.
Date details
- Category
- U.S. observance
- How the date is set
- Same date every year
- Country / region
- United States
- Actual event date
Source: Library of Congress
Event date facts
- Weekday
- Wednesday
- ISO week / year
- 11 / 2027
- Day of year
- 76
- Quarter
- 1
- Days left in year
- 289
- Leap year
- No
March 2027
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| Target | ||||||
Event dates by year
| Rule year | Actual date | Observed federal closure | Certainty |
|---|---|---|---|
| 2025 | Monday, March 17, 2025 | — | Same date every year |
| 2026 | Tuesday, March 17, 2026 | — | Same date every year |
| 2027 | Wednesday, March 17, 2027 | — | Same date every year |
| 2028 | Friday, March 17, 2028 | — | Same date every year |
| 2029 | Saturday, March 17, 2029 | — | Same date every year |
Quick answers
- What day of the week is March 17, 2027?
- March 17, 2027 is a Wednesday.
- Is St. Patrick's Day a federal holiday?
- No. St. Patrick's Day is not a U.S. federal holiday, so federal offices and most businesses stay open.
- What week of the year is March 17, 2027?
- March 17, 2027 is in ISO week 11 of 2027 and is day 76 of the year.
How the St. Patrick's Day date is calculated
- St. Patrick's Day is on March 17 every year. In 2027 that is a Wednesday.
- The countdown counts calendar days from today to March 17, 2027. The start date is excluded and the end date is included. Dates use Eastern Time (America/New_York).
- The live countdown runs to midnight at the start of March 17, 2027 in Eastern Time (America/New_York). A countdown day is 24 hours, so a daylight-saving change can make it differ from the calendar-day count by an hour.
- Calculated at 6:29 AM on October 24, 2026.
- U.S. business days exclude Saturday, Sunday and observed nationwide federal closures; individual employer and state schedules are not included.