This type of calendar follows the moon cycles.
What is a lunar calendar?
A few who follow this are Jews and Muslims.
The only important time, the only time men could work in ancient history.
What was daylight time?
This number is almost everywhere and has special charm all over the world.
What is seven?
God created the world in 6 days and rested on the 7th. The Japanese found seven gods of happiness, Rome was set on seven hills, the ancients counted seven wonders of the world, and the medieval Christians enumerated seven deadly sins.
Man discovered very early that he could measure the passage of time by this.
What is the amount of water that dripped from a pot?
These are called water clocks. Within 500 years years after their first sun dials, the ancient Egyptians were using these to measure off hours of night.
The days of the week in the Roman Empire were named after these.
The planets...sun (Sunday), moon (Monday), Mars (Tuesday), Mercury (Wednesday), Jupiter (Thursday), Venus (Friday), Saturn (Saturday).
In England, these were placed in coffins as a symbol that life's time had run out.
What are sandglasses?
"The sands of time are sinking," went the hymn, "The dawn of heaven breaks."
The planetary week was a path into studying this science.
What is incense?
The time was indicated by the place within the seal that was reached by the fire.
This philosopher dominated the popular and literary view of the universe throughout the Middle Ages.
Who was Ptolemy?
In many ways Ptolemy spoke as a prophet. For he enlarged the uses of mathematics in the service of science.
Seafarers, reaching out into the vast oceans, began to discover how little they knew of the planet, and they had to figure this out to calculate their location and time.
What is longitude?