How many weeks until Pi Day?
Pi Day 2027 is on Sunday, March 14, 2027.
Pi Day is in
17 weeks 5 days
That is 124 days in total, or about 17.7 weeks.
Calculated as of November 10, 2026 (UTC)
Weekends left
18
Workdays left
88
Days left
124
Weekends and workdays are counted as of November 10, 2026, excluding today and Pi Day itself.
Weekly countdown to Pi Day 2027
The day each whole week remains. Every row falls on a Sunday, the same weekday as Pi Day.
| Weeks to go | Date |
|---|---|
| 12 weeks | Sunday, December 20, 2026 |
| 11 weeks | Sunday, December 27, 2026 |
| 10 weeks | Sunday, January 3, 2027 |
| 9 weeks | Sunday, January 10, 2027 |
| 8 weeks | Sunday, January 17, 2027 |
| 7 weeks | Sunday, January 24, 2027 |
| 6 weeks | Sunday, January 31, 2027 |
| 5 weeks | Sunday, February 7, 2027 |
| 4 weeks | Sunday, February 14, 2027 |
| 3 weeks | Sunday, February 21, 2027 |
| 2 weeks | Sunday, February 28, 2027 |
| 1 week | Sunday, March 7, 2027 |
Showing the last 12 weeks.
About Pi Day
March 14 — 3/14 — celebrating the mathematical constant pi, and an excuse to eat pie.
When it falls: Fixed date: March 14 every year.
Frequently asked questions
How many weeks until Pi Day?
17 weeks and 5 days, or 124 days in total (17.7 weeks), counted from November 10, 2026. Pi Day 2027 is on Sunday, March 14, 2027.
How many weekends are left until Pi Day?
18 weekends, counting each Saturday between now and March 14, 2027.
How many workdays are left until Pi Day?
88 Monday-to-Friday days fall between today and Pi Day, not counting today or the day itself. Public holidays are not removed; use the business days calculator to exclude them.
How are the weeks counted?
We count calendar days from today to Pi Day and divide by 7. The whole number is the weeks; what is left over is the extra days. So 124 days = 17 × 7 + 5.
Weeks until other holidays
Veterans Day
0 wk 1 d
November 11, 2026
Thanksgiving
2 wk 2 d
November 26, 2026
Black Friday
2 wk 3 d
November 27, 2026
Small Business Saturday
2 wk 4 d
November 28, 2026
Cyber Monday
2 wk 6 d
November 30, 2026
Winter
5 wk 6 d
December 21, 2026
Christmas Eve
6 wk 2 d
December 24, 2026
Christmas
6 wk 3 d
December 25, 2026