Julian calendar, source of 12 months, leap year and more!
The Julian Calendar: What You Need to Know
Gregorian calendar and Julian calendar - what's the difference?
Neil deGrasse Tyson Explains Why We Have Leap Days
Why Do We Have LEAP YEARS? | What Is A LEAP YEAR? | The Dr Binocs Show | Peekaboo Kidz
How is the Gregorian calendar different from the Julian?
Neil deGrasse Tyson - Creation of Gregorian Calendar and Leap Day | Joe Rogan Podcast
The 10 Days That Disappeared in 1582: What Really Happened? #facts #calendar #history #shorts
The Gregorian Calendar | JRE & Neil deGrasse Tyson
Why Do We Have Leap Years? - An Explanation of the Leap Day and the Julian/Gregorian Calendars
Why Do We Have Leap Years?
The Julian and Gregorian Calendars
वो 11 दिन कहाँ गए ? Gregorian Calendar And Julian Calendar
Leap Year's Hidden Catastrophe: How the Julian Calendar Failed Humanity
The leap year explained (and why we add an extra day) | CBC Kids News
അധിവർഷവും കലണ്ടറിന്റെ ചരിത്രവും | What is Leap Year? History of Calendars | Gregorian Calendar
January 1st- a leap into history: the birth of the Julian Calendar.
The Julian Calendar and Leap Day Ancient Rome's Modification to Timekeeping
Was there a leap year before the Gregorian calendar?
How Britain and America LOST 11 DAYS | Gregorian calendar explained | Julian calendar explained
