PBS
The Calendar, Australia & White Christmas
Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas?
Be Smart
Why Seasons Make No Sense
Day by day, country by country, we tend to measure seasons differently.
SciShow
Why Do We Have Leap Years?
So it's February 29th and we have 366 days this year instead of 365- what's the deal with Leap Years?
Encyclopaedia Britannica
Demystified: Solstices and an Equinoxes
Learn more about solstices and equinoxes.
Mazz Media
Day and Night
This live-action video program is about the words day and night. The program is designed to reinforce and support a student's comprehension and retention of the words day and night through use of video footage, photographs, diagrams and...
Ancient Lights Media
Understanding Equinoxes and Solstices
Planets Set: 5. This clip examines the astronomical events behind equinoxes and solstices.