Where Did the Calendar Come From?

What is the name of the calendar most of the world uses today?

• Gregorian Calendar

• Solar Calendar

• Lunar Calendar

• Julian Calendar

How many days are in a lunar year according to the video?

• 400 days

• 354 days

• 366 days

• 365 days

Who decided to make a solar calendar after the Roman lunar one had shifted out of sync with the seasons?

• Julius Caesar

• Pope Gregory

• S Jen

• Christopher Clavus

How many days was the Julian calendar off by in the 16th century?

• 10 days

• 15 days

• 8 days

• 5 days

Who decided to fix the error in the Julian calendar with the help of an astronomer named Christopher Clavus?

• Julius Caesar

• Pope Gregory

• S Jen

• Christopher Clavus

In which year did Great Britain and its colonies adopt the Gregorian calendar?

• 1582

• 1949

• 1752

• 1918

How many seconds longer is the Gregorian calendar than the actual solar year?

• 10 seconds

• 26 seconds

• 30 seconds

• 40 seconds

How many years will it take for the seconds in the Gregorian calendar to build up to one day?

• 5,323 years

• 323 years

• 3,323 years

• 1,323 years