Mystery Class Starts Friday, January 31, 2014

Get ready to track seasonal changes in sunlight to find this year's Mystery Classes.

On Fridays you will:

  • Report your local sunrise/sunset data.
  • Receive sunrise/sunset data from the 10 Mystery Class sites.

Image of the Week

Track seasonal changes in sunlight to solve a mystery!
Any Questions?
  • Don't hesitate to contact us if you have questions. We're here to help!
Mystery Class Participation Guide

First Update January 31, 2014