How Many Days Until September 20th?
That's 50 weeks and 3 days
There are 353 days until September 20th on Monday, September 20, 2027. That is 50 weeks and 3 days — roughly 11.6 months, or 8,472 hours.
Counted from today (not including today). This page updates automatically — last rebuilt October 2, 2026.
What Day of the Week Is September 20th?
| Year | Date | Day of the week |
|---|---|---|
| 2027 | September 20, 2027 | Monday |
| 2028 | September 20, 2028 | Wednesday |
| 2029 | September 20, 2029 | Thursday |
| 2030 | September 20, 2030 | Friday |
| 2031 | September 20, 2031 | Saturday |
| 2032 | September 20, 2032 | Monday |
About September 20th
September 20th is the 263rd day of the year (the 264th in leap years), leaving 102 days until the end of the year. Below are notable facts, observances, and historical events associated with September 20th.
Interesting Facts About September 20th
September 20th is National Punch Day in the United States, celebrating the festive beverage
This is day 263 of the year (264th in leap years), with 102 days remaining until New Year's Eve
People born on September 20th are Virgo, known for their attention to detail and analytical minds
The famous 'Battle of the Sexes' tennis match took place on this date in 1973, with Billie Jean King defeating Bobby Riggs
Ferdinand Magellan set sail from Spain on September 20, 1519, beginning the first circumnavigation of the Earth
Traditions & Observances on September 20th
National Punch Day is celebrated with people enjoying and creating various punch recipes for gatherings
Germany observes World Children's Day (Weltkindertag) with events and celebrations honoring children's rights
Thailand celebrates National Youth Day, promoting youth development and opportunities
International Coastal Cleanup Day often falls on this date, with volunteers cleaning beaches and waterways worldwide
Batman Day celebrations sometimes occur on this date, with fans honoring the iconic superhero
Historical Events on September 20th
Battle of Fulford: Norwegian King Harald Hardrada defeated English earls Morcar and Edwin near York
Ferdinand Magellan set sail from Spain with five ships, beginning the first successful circumnavigation of the globe
Italian forces breached the Aurelian Walls and captured Rome, completing Italian unification
The first Cannes Film Festival opened in Cannes, France, becoming one of the world's most prestigious film festivals
Billie Jean King defeated Bobby Riggs in the 'Battle of the Sexes' tennis match, watched by over 90 million viewers worldwide
Singer-songwriter Jim Croce died in a plane crash in Louisiana at age 30
The television series 'The Love Boat' premiered on ABC, becoming a popular show that ran for nine seasons
The Cosby Show premiered on NBC, becoming one of the most successful sitcoms of the 1980s
President George W. Bush declared the War on Terror in an address to Congress following the September 11 attacks
Hurricane Maria made landfall in Puerto Rico as a Category 4 storm, causing catastrophic damage
Frequently Asked Questions
How many days until September 20, 2027?
As of October 2, 2026, there are 353 days until September 20, 2027, not counting today. The live countdown at the top of this page always shows the current number.
How many weeks until September 20th?
There are 50 weeks and 3 days until September 20, 2027 (about 11.6 months), counted from October 2, 2026.
What day of the week is September 20, 2027?
September 20, 2027 falls on a Monday. In 2028 it falls on a Wednesday; In 2029 it falls on a Thursday; In 2030 it falls on a Friday.
How many days until September 20, 2028?
As of October 2, 2026, there are 719 days until September 20, 2028, which is a Wednesday.
What day of the year is September 20th?
September 20th is the 263rd day of the year (the 264th in leap years), leaving 102 days until the end of the year.
Browse Nearby Dates
Upcoming Holidays
Counting Down to Something on September 20th?
If September 20th is a birthday, wedding, trip, exam, or deadline, save it as your own countdown — it stays in your browser, no signup needed. You can also:
- Create a named countdown with its own emoji
- Use the date calculator to count days between any two dates
- Learn how to count days by hand, including leap years