Today is the Equinox!

March 20, 2018 by Mary Hosier

What is your daylight on the equinox? Are your days and nights equal? Please report and share your daylight and your signs of the seasons.

Spring sunrise captured by Jan Ubels, Creative Commons

What to Report

  • Report you day length for the equinox, March 20, 2018.
  • Report seasonal signs of March.

How to Report your Day Length (Photoperiod)

Step 1: Look up your sunrise/sunset for March 20.

Step 2: Calculate the length of time between sunrise and sunset. 

Step 3: Report your day length for March 20.

Step 4: Explore the daylight map.

 

About This Project

Report your photoperiod on the 20th of every month, and on each equinox and solstice. Track changes in daylight over the course of the year on the sunlight map. Explore how day length changes in your part of the world as the Earth revolves around the Sun. Share and compare seasonal observations with people around the globe.