Compare and contrast several different calendar systems used in the past and present and their cultural significance (e.g., Sun Dial, Gregorian calendar – B.C./A.D.; contemporary secular – B.C.E./C.E.; Chinese, Hebrew, and Islamic/Hijri calendars).
Evaluate evidence, compare and contrast information, interpret the historical record, and develop sound historical arguments and perspectives on which informed decisions in contemporary life can be based.
Use historical conceptual devices to organize and study the past.