How many months until St. Patrick's Day?
St. Patrick's Day 2027 is on Wednesday, March 17, 2027.
St. Patrick's Day is in
4 months and 7 days
That is 127 days in total, or 18 weeks and 1 day.
Calculated as of November 10, 2026 (UTC). This page is rebuilt every night and updates to your local date when it loads.
Month-by-month countdown to St. Patrick's Day 2027
What is left at the start of each month, and how many of the 127 days fall in it. The first row counts from today, November 10, 2026; the others from the 1st.
| Month | Left from | Months and days left | Days left | Days in this month |
|---|---|---|---|---|
| November 2026 | Today, Nov 10 | 4 months and 7 days | 127 | 20 |
| December 2026 | Tue, Dec 1 | 3 months and 16 days | 106 | 31 |
| January 2027 | Fri, Jan 1 | 2 months and 16 days | 75 | 31 |
| February 2027 | Mon, Feb 1 | 1 month and 16 days | 44 | 28 |
| March 2027 | Mon, Mar 1 | 16 days | 16 | 17 |
| Total days | 127 | |||
"Days in this month" counts the days after today up to and including March 17, 2027, so the column adds up to the total.
How the months are counted
We step forward whole calendar months from today, keeping the day of the month, and stop at the last step that does not pass St. Patrick's Day. The days from there are the leftover days. Today is November 10, 2026. 4 months from November 10, 2026 is March 10, 2027. From there it is 7 days to March 17, 2027.
When the landing month is too short for the day, we use its last day: January 31 plus one month is February 28, or February 29 in a leap year. So January 31 to March 1 is 1 month and 1 day. Each step is measured from today, so January 31 plus two months is March 31. Months have 28 to 31 days, so a month here is a calendar count, not a fixed number of days.
The weeks figure is simply the total days divided by 7, with the remainder as days.
About St. Patrick's Day
A cultural and religious celebration commemorating Saint Patrick, the patron saint of Ireland.
When it falls: Fixed date: March 17 every year.
Frequently asked questions
How many months until St. Patrick's Day?
4 months and 7 days, counted from November 10, 2026 to Wednesday, March 17, 2027. That is 127 days in total, or 18 weeks and 1 day.
How are the months and days counted?
We step forward whole calendar months from today, keeping the day of the month. 4 months from November 10, 2026 is March 10, 2027. From there it is 7 days to March 17, 2027. If a month is too short for the day (say the 31st), we use its last day, so January 31 plus one month is February 28, or February 29 in a leap year.
How many weeks until St. Patrick's Day?
18 weeks and 1 day (127 days divided by 7). See the weekly countdown for the date each whole week remains.
When is St. Patrick's Day 2027?
Wednesday, March 17, 2027. Fixed date: March 17 every year.
Months until other holidays and seasons
Thanksgiving
0 mo 16 d
November 26, 2026
Black Friday
0 mo 17 d
November 27, 2026
Winter
1 mo 11 d
December 21, 2026
Christmas
1 mo 15 d
December 25, 2026
New Year's Day
1 mo 22 d
January 1, 2027
Valentine's Day
3 mo 4 d
February 14, 2027
Spring
4 mo 10 d
March 20, 2027
Easter
4 mo 18 d
March 28, 2027