Calendar Year
365 days 24 hours
Scientists like to be exact
The years and days are not even
Early Roman Calendar
Consists of 304 days a year or 10 months
They ignored the 61 days
Martius, Aprilis, Maius, Junius, Quintilis, Sextilis, September, October, November, and December.
Romulus, the legendary first ruler of Rome, introduced this calendar
Julian Calendar
365 days a year in 12 months
A leap day is added to february
Was Named after Julius Caesar
Gregorian Calendar
Our Current Calendar
30 days has September, April, June, and November. All the rest have 31 except February. February has 28; in leap year 29
named after pope gregory
International Fixed Calendar
Maybe the future Calendar with 13 months, with 28 days in each month.
A new month named Sol is put in between June and July.
Early Man
They Studied the patterns of the day and night sky to tell time.
Used this to harvest crops, scheduling, trading, navigating, and voyaging.
The Night Sky
The sun rose every morning from east to west. It moved steadily across the sky.
Constellations are star patterns that form pictures in the sky
Most of the constellations we know of today have Greek and Roman names, but people mapped the sky before these empires took hold.
No one really knows who invented Constellations