A passing glance at our modern calendar might have you thinking the design was arbitrary - 365 days in a year, variable days per month, and 7 days in a week? In reality, the development of the calendar was an arduous process filled with science, politics, recalibration, and sometimes petty arrogance. This class will overview the development of our modern calendar and all its imperfections.

Class level: Introductory - This class is recommended for guests of any background.

Classes will be held in-person at the observatory. Pricing details are below:

Non-members $25/class

Members $20/class

Student (with valid ID) $10/class