why could it be said that the historic period is only a minute in comparison ti the 24 hours of the day?
The historic period began about 5,000 years ago when writing was first developed in Mesopotamia (now Iraq). Modern man has existed for at least 100,000 years. The historic period can be compared with one hour of a day (5,000 / 100,000). The earth has existed for about 4.5 billion years. Compared with the age of the earth, the historic period is like a minute of a 24-hour day.
The historic period can be compared with one hour of a day that man has existed. It can be compared with one minute of a day in the existence of the earth.