The sun, stars and the changing between day and night.
they used sun dials
they checked it by checking the position of the planets.
To measure time. To measure time. To measure time.
The Sun
sun
It has to be considered a measure of time because you do not say how many hours there are in a year, month or fortnight, you say days and so must be considered a measure of time. The same stands for seconds, minutes and hours, because are hours any less a measure of time because they are 60 minutes? No. The same stands for days, they consist of 24 hours and so therefore count as a measure of time.
they used sundials to measure time so yeah
One of the first reasons early people needed to measure time was to know when to plant and harvest their crops.
Hours, minutes seconds, days, months, years.
The sun, the stars.
People worked shorter days and fewer hours.
No Duh!!. You can't measure time .You people are dumb