May 15

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/may-15

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 is the day of year (standard year)?The 135th day of the Gregorian calendar year
2. What is the day of year (leap year)?The 136th day of the Gregorian calendar year
3. What happens on May 15 in the calendar?May 15 is the 135th day of the year (136th in leap years). It comes about one‑third of the way through the year.
4. Why is May 15 important for the seasons?After spring ends in the Northern Hemisphere, May 15 starts the change toward summer.

Gregorian calendar: The internationally accepted civil calendar, a solar calendar designed for accuracy in tracking the tropical year.
Leap year: A year that includes an extra day, February 29th, to synchronize the calendar with the Earth's orbital period.
Temporal nexus: A point in time that serves as a significant intersection or connection between different periods or events.