The Secret Rules That Define a Leap Year [Video]

Recommended Videos

So, we all know that every four years we are forced to extend the excruciating horror that is February by a day in order to keep the calendar accurate and call it a “leap year.” But did you know that this simple act doesn’t actually keep our calendar on track? In fact, there are two additional caveats to the Leap Year rules to keep things ticking along correctly. Trust me, that alone is reason enough to watch this video.

(via Reddit)

Relevant to your interests


The Mary Sue is supported by our audience. When you purchase through links on our site, we may earn a small affiliate commission. Learn more
related content
Read Article What Caused the Weekend’s Major Aurora Borealis Phenomenon?
Aurora Borealis over a farmhouse.
Read Article Entomologist Brought to Tears in Response to Her Positive Book Reviews
Dr. Megan Wilkerson book: A to Z Bug Facts Coloring Book: Explore 28 Insects With 60+ Unique Facts
Read Article Important Science Alert! NASA Just Sent a Cat Video From Space!
An orange cat chases a laser on a couch with technical graphics superimposed on the image.
Read Article Scientists Make Major Breakthrough in Treating Morning Sickness
A young pregnant woman of African decent sits on a sofa in the comfort of her own home as she cradles her belly with her hands. She is dressed casually as she looks down at her belly with anticipation.
Read Article Guess What? We’re Bringing the Dodo Back!
The dodo from the animated Alice in Wonderland, smoking a pipe.
Related Content
Read Article What Caused the Weekend’s Major Aurora Borealis Phenomenon?
Aurora Borealis over a farmhouse.
Read Article Entomologist Brought to Tears in Response to Her Positive Book Reviews
Dr. Megan Wilkerson book: A to Z Bug Facts Coloring Book: Explore 28 Insects With 60+ Unique Facts
Read Article Important Science Alert! NASA Just Sent a Cat Video From Space!
An orange cat chases a laser on a couch with technical graphics superimposed on the image.
Read Article Scientists Make Major Breakthrough in Treating Morning Sickness
A young pregnant woman of African decent sits on a sofa in the comfort of her own home as she cradles her belly with her hands. She is dressed casually as she looks down at her belly with anticipation.
Read Article Guess What? We’re Bringing the Dodo Back!
The dodo from the animated Alice in Wonderland, smoking a pipe.
Author