Never miss an important date
When is Pi Day 2027?
Pi Day 2027 is on Sunday, March 14, 2027 — that's 301 days (43 weeks) from today.
Below you'll find the exact date, the day of the week, a live countdown, and everything you need to plan ahead — plus a free iPhone widget that keeps Pi Day on your home screen.
301
days
Pi Day
Outside
Free iPhone app with home screen widgets. Used by 300k+ people.
Date details for Pi Day 2027
- Day of week: Sunday
- Full date: Sunday, March 14, 2027
- Days remaining: 301
- Weeks remaining: 43
Pi Day 2027 is on Sunday, March 14, 2027. That is 301 days away — about 43 weeks and 0 days, or roughly 9 months, from today. Pi Day is a date worth keeping on your radar, whether it marks a celebration, a deadline, or a personal milestone. Pi Day falls on the weekend this year, which makes it easier to gather without booking time off work.
Counting down turns a vague "soon" into a clear number of days you can plan around — booking travel, sending cards, or simply building anticipation. Many people begin preparing for a date like this two to three months ahead, and a visible countdown helps pace that preparation rather than leaving everything to the final week. If you are counting down to Pi Day, you can add a free Outside countdown widget to your iPhone home screen; it updates every day and can be shared with friends and family.
Looking for Pi Day 2026?
More ways to track Pi Day
Turn this date into a shared plan, a home screen habit, or a deeper browse session through related countdown pages.
Share Pi Day with friends
Give everyone the same countdown, reminders, and widgets so the date stays visible for the whole group.
Open page →Put Pi Day on your lock screen
Keep the countdown one glance away with a lock screen widget that updates automatically every day.
Open page →Explore more countdown guides
See setup guides for widgets, shared countdowns, and ways to turn any date into a countdown flow.
Open page →About Pi Day
Pi Day 2027 is on Sunday, March 14th. The date 3/14 represents the first three digits of the mathematical constant pi (3.14).
History & Significance
Pi Day was founded by physicist Larry Shaw in 1988 at the San Francisco Exploratorium. In 2009, the U.S. House of Representatives officially recognized March 14th as National Pi Day. It also happens to be Albert Einstein's birthday.
Planning Ahead for Pi Day
Pi Day is a date worth keeping on your radar. Whether it marks a celebration, a deadline, or a milestone, knowing exactly how far away it is turns vague planning into something concrete you can act on.
Counting down to Pi Day 2027 helps you prepare in good time — booking what needs booking, reminding the people who need reminding, and avoiding the last-minute rush. A countdown keeps the date visible so it never slips past you unnoticed.
Pi Day 2027: Frequently Asked Questions
When is Pi Day 2027?
Pi Day 2027 is on Sunday, Sunday, March 14, 2027 — 301 days from today. You can track it with a free countdown widget on your iPhone home screen using the Outside app.
What day of the week is Pi Day 2027?
Pi Day 2027 falls on a Sunday. Knowing the weekday helps you plan time off, travel, or weekend activities around the date.
How long until Pi Day 2027?
Pi Day 2027 is 43 weeks away — roughly 11 months from now. That's plenty of time to plan ahead.
Is there a free Pi Day countdown app?
Yes. Outside is a free iPhone app with a Pi Day countdown widget for your home screen, plus reminder alerts and calendar sync. Used by 300k+ people.
Why should I count down to Pi Day?
A countdown keeps Pi Day 2027 visible so you can plan ahead instead of being caught off guard. It is an easy way to prepare, remind others, and avoid a last-minute rush.
How can I keep track of Pi Day?
The free Outside app lets you add Pi Day as a home screen countdown widget on your iPhone, with reminder alerts and calendar sync so the date is always in front of you.
Can I share a Pi Day countdown with friends?
Yes. With the Outside app you can share a Pi Day countdown so friends and family are counting down to the same date together.
Home Screen Widgets
Beautiful countdown widgets that sit right on your home screen.
Lock Screen Widgets
See your countdown without even unlocking your phone.
Live Activities
Real-time countdown updates on your Dynamic Island.
