Solstice Minus One Month

May 20, 2018 by Mary Hosier

It's one month until the solstice. How do longer days affect seasonal happenings?

Sunrise by USFWS/Steve Hillebrand/CC BY-SA 2.0

What to Report

  • Report you day length for May 20, 2018.
  • Report seasonal signs of May.

How to Report your Day Length (Photoperiod)

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

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

Step 3: Report your day length for May 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.