What is Newtonmas?

Hey there, atheists, agnostics, and skeptics! Don’t worry, we haven’t forgotten about you this holiday season. We’ve already covered Hanukkah and Pancha Ganpati, but before we dive into the traditional Christmas festivities, let’s explore a different celebration: Newtonmas! Never heard of it? Well, come on down and learn all about this day dedicated to one of the greatest geniuses of science, Sir Isaac Newton.

1 – The Birth of Newton

Newtonmas is celebrated every year on December 25th, in honor of Isaac Newton’s birth, one of the most important scientists in history. But wait, you might say, isn’t his birthday listed as January 4th on Wikipedia? You’re right! Newton was actually born on December 25th according to the Julian calendar, which was in use at the time. When the Gregorian calendar took over, his birthdate was equivalent to January 4th. So, both dates are considered his birthday, but for this celebration, we’re sticking to the festive spirit of December 25th.

2 – The Origin of Newtonmas

Newtonmas started out as a joke but quickly turned into a serious event, especially among atheist, agnostic, and skeptical communities. It’s a celebration that honors Newton’s birth while serving as an alternative to Christmas for those who prefer to celebrate science and reason over religious traditions. The first recorded mention of Newtonmas dates back to a meeting of the “Newton Association” on Christmas Day in 1890. This gathering was marked by conversations, gift exchanges, and plenty of laughter.

3 – Traditional Gifts

It’s impossible to talk about Newtonmas without mentioning gifts, right? Here, the tradition is to give something with a scientific twist. Instead of saying “Season’s Greetings,” participants send cards with “Reason’s Greetings,” a clever play on words. It’s also common to give boxes of apples as a nod to Newton’s famous gravity story. Other gifts include science books, gadgets, or anything that inspires curiosity and knowledge. So, gift-giving becomes a way to celebrate the scientific spirit and the pursuit of truth.

4 – The Ten Days of Newton

So, was Newton born on December 25th or January 4th? Well, the answer is: both! According to the Julian calendar, Newton was born on December 25th, 1642. However, when England adopted the Gregorian calendar, that date changed to January 4th. To resolve this confusion, the “Ten Days of Newton” were born, a celebration that starts on December 25th and ends on January 4th. During this period, Newton fans take the time to reflect on his scientific achievements and celebrate the impact he had on our understanding of the universe.

5 – Newtonmas in Popular Culture

Newtonmas has made its way into popular culture and has been mentioned on several occasions. One of the most notable examples is in the TV show “The Big Bang Theory,” where the character Sheldon Cooper reveals to his friends the importance of this day. In an iconic scene, Sheldon explains that he prefers to celebrate Newton’s birth over Jesus’, highlighting the significance of science in his life.

This funny moment in the show helped make Newtonmas even more popular among the public, especially among science and geek culture fans.


And that’s a wrap on our dive into the curious celebration of Newtonmas! Whether you’re a believer, a skeptic, or just curious, this day is a great excuse to honor the legacy of one of the greatest geniuses of humanity. You might even use this time to read up on Newton’s discoveries, exchange some science-themed gifts, and watch an episode of “The Big Bang Theory” to get into the spirit of this alternative holiday. Happy “Reason’s Greetings” and Merry Newtonmas!

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Frequently Asked Questions

Q: What is Newtonmas?

A: Newtonmas is a celebration honoring the birth of Sir Isaac Newton, observed on December 25th or during the Ten Days of Newton, from December 25th to January 4th.

Q: How is Newtonmas celebrated?

A: Newtonmas is celebrated with gift exchanges, scientific discussions, and reflections on Newton’s contributions to science and humanity.

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