Published by Australian Academy of Science
Activities | Calendars – keeping track of time

1. Calculating the day of the week

Other activities

• The Helix
  • Make your own sun clock (No. 38, 1994, page 25)

• Montana State University (USA)
  • Sunshine in your pocket! Making a sundial for the southern hemisphere
  • Solar rotation – introduces the concept of planetary rotation and how it can be measured as well as how to determine the rotation rate of the sun.

• Sundials on the Internet (British Sundial Society and North American Sundial Society)
  • Four simple sundial projects for you to make

• Astronomical Society of the Pacific
  • A primer on archaeoastronomy – information and activities about archaeological sites. Students investigate the relationship between celestial objects and the position of stones, columns or architectural features at archaeological sites.
  • Cosmic calendar: Do the math – students scale the evolution of the universe to a one-year calendar.

• Discovery Channel School (USA)
  • Understanding: Time – activities related to the measurement of time, particularly 'Measuring time with the stars'.

• Education World (American Fidelity Assurance Company, USA)
  • Happy New Year! Or is it? – ideas for discussion starters about the concept of calendars and timekeeping.

• Department of Mathematics (Rice University, USA)
  • Algebra – fun with calendars – a mathematical puzzle using a calendar.