Pluto Demoted Day 2017: When Is Pluto Demoted Day? 🗓

When is Pluto Demoted Day 2017? This year Pluto Demoted Day is celebrated on a Thursday, August 24, 2017. In 2018, Pluto Demoted Day is on Friday, August 24, 2018.

Pluto Demoted Day on August 24 commemorates the day in 2006 when Pluto’s status was downgraded from a full sized planet to a dwarf planet by the International Astronomical Union (IAU).

Discovered in 1930 by Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona, Pluto was the Solar System’s 9th planet for 76 years. Given the name of the ancient Greek ruler of the underworld, Pluto was named by an 11-year-old girl called Venetia Burney.

Countdown to Pluto Demoted Day date is below, plus holiday history, celebration info, facts and holiday details.

When is Pluto Demoted Day 2017? This year Pluto Demoted Day is on Thursday, August 24, 2017.


Because Pluto is very far from us – on average it is about 6 billion kilometers (4 billion miles) from Earth, little is known about the dwarf planet. In size, Pluto has a diameter of about 2250 kilometers (1400 miles), which is about two-thirds the size of Earth’s Moon .

Below you will find all the details for Pluto Demoted Day 2017 including, are banks open, is there mail delivery and related holiday information.

Is Pluto Demoted Day a federal holiday?

No, Pluto Demoted Day is not a federal holiday. There are ten annual US federal holidays on the calendar designated by the United States Congress. The following federal holidays are established by law:

  • New Year’s Day
  • Birthday of Martin Luther King, Jr. (Third Monday in January).
  • Washington’s Birthday (Third Monday in February)
  • Memorial Day (Last Monday in May)
  • Independence Day (July 4)
  • Labor Day (First Monday in September)
  • Columbus Day (Second Monday in October)
  • Veterans Day (November 11)
  • Thanksgiving Day (Fourth Thursday in November)
  • Christmas Day (December 25)

Is Pluto Demoted Day a national holiday?

Pluto Demoted Day is not a national holiday. Unlike many other countries, there are no ‘national holidays’ in the United States because Congress only has constitutional authority to create holidays for federal institutions. Most federal holidays are also observered as state holidays.

Is Pluto Demoted Day a paid holiday?

No, Pluto Demoted Day is not a paid holiday. The Fair Labor Standards Act (FLSA) does not require payment for time not worked, such as vacations or holidays (federal or otherwise).

Does the mail run on Pluto Demoted Day?

Yes, there will be mail delivery on Pluto Demoted Day. All post offices and federal offices of any kind will be open for the holiday, which means businesses and homes will receive mail. This also counts USPS and Fedex packages. See holiday schedule on USPS and Fedex. The only time mail is not being delivered is on federal holidays, which are listed above.

Are banks open on Pluto Demoted Day?

Pluto Demoted Day is a Fun holiday, which means all federal offices, courts and most banks will be open. While most banks are open, some banks can operate on their own schedules, so it may be best to check with your local branches. U.S. stock and bond markets like the New York Stock Exchange and NASDAQ will be open. Grocery stores and malls are reportedly open.

If your bank is closed, it is still possible to conduct general banking transactions via ATM, online banking or your mobile phone. Apps and websites are running though not all normal functions may be accessed for the holiday.

Are stores open on Pluto Demoted Day?

On Pluto Demoted Day, most stores, restaurants, shopping centers, and malls are open. There are no holidays on which all businesses are closed by law. However, some stores may have shortened or extended holiday hours for the day. Stores may be operating on holiday schedule with limited or reduced hours of operation. Some businesses may be closed on in order to give their employees the day off. For restaurants, stores and other establishments specific to your area, you will have to check with the individual business.

Shop Pluto Demoted Day Gifts on Amazon

Pluto Demoted Day 2017

Holiday: Pluto Demoted Day
Date: August 24, 2017
Weekday: Thursday
Holiday Type: Fun
Pluto Demoted Day 2018: Friday, August 24, 2018
Pluto Demoted Day 2019: Saturday, August 24, 2019
Pluto Demoted Day 2020: Monday, August 24, 2020

Fun Holiday Fact

Did you know …that Pluto has 5 moons: Charon, Kerberos, Nix, Hydra, and Styx?

How To Celebrate Pluto Demoted Day

Celebrate Pluto’s previous status as a planet by spendings some time in the day reading about planets and their characteristics.

Have children? Take them on a visit to your local planetarium and introduce them to the joys of astronomy. Teach them everything you know about the Solar System and about planets. Maybe you could make a model of the Solar System with them in order to understand how it works?

Learn more about dwarf planets and other astronomical objects like comets, asteroids and meteor showers.

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