July 21

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/july-21

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What day of the year is July 21?July 21 is the 202nd day of a common year and the 203rd day of a leap year.
2. Why is July 21 important in calendars?It shows how the Gregorian calendar keeps time close to Earth's orbit, making our days predictable.

Gregorian Calendar: A solar calendar that is the most widely used civil calendar in the world, known for its accuracy in tracking the tropical year.
Leap Year: A calendar year that contains an extra day, February 29th, to synchronize the calendar with the Earth's orbital period.
Tropical Year: The time it takes for the Earth to complete one orbit around the Sun relative to the seasons, approximately 365.2422 days.