[DOC] [TLE] HISTORY OF THE CALENDAR [PAR] Two great objects travel through it, one hot and constant, the other cold and ... the 
Egyptians to become the first people to move from a lunar to a solar calendar. ... 
days among some African tribes to ten days in the Inca civilization and in China. 
... only one in widespread use to be based uncompromisingly on lunar months,... [DOC] [TLE] The Evolution of the Modern Day Calendar - Today I Found Out [PAR] Sep 10, 2013 ... Even today, the Muslim and Jewish calendars remain lunar-based. ... which the 
Egyptians never took into account, though they were aware of the issue. ... on 
January 1, 45 B.C.- a calendar that came closer to the solar year ... The Lutheran 
states of Germany finally got around to making the change in 1700,... [DOC] [TLE] Other Ancient Calendars | Calendars - Webexhibits [PAR] In the eighth century B.C.E., civilizations all over the world either discarded ... In 
many places, month lengths immediately after that change were not fixed, but 
were based .... In Mesopotamia, the solar year was divided into two seasons, the 
"summer," .... The earliest Egyptian calendar was based on the moon's cycles, but 
the... [DOC] [TLE] Egyptian Calendars - Crystalinks [PAR] The Egyptians were probably the first to adopt a mainly solar calendar. ... a 
second lunar calendar based upon the civil year and not, as the older one had 
been, ... As was customary in early civilizations, the hours were unequal, daylight 
being... [DOC] [TLE] Ancient Egyptian Calendar - Dragonstrike Systems [PAR] It was originally based on the lunar cycle of 12 months, which the Egyptians ... 
within a range of 80 days and were not accurate enough to base a calendar on. 
... the lunar cycle and so had an average of 354 days--11 days less than a solar 
year. ... also as the first year, but with references to allow someone to understand 
the... [DOC] [TLE] EVOLUTION OF CALENDARS - Moonsighting.com [PAR] All ancient calendars were purely lunar calendar, while lunisolar and purely solar 
calendars evolved as the civilization progressed. ... Julian Calendar: Following 
his conquest of Egypt in 48 B.C. Roman Emperor, Julius Caeser ... were done; 
one to correct for spring equinox and the other to change lunisolar calendar to... [DOC] [TLE] An Original 360-Day Year [PAR] So our primary question is, Did ancient civilizations use a 360-day calendar? ... 
that the Egyptians were the first to discover the year and to divide it into twelve 
parts. ... and complex calendar systems, yet one of them, "The solar year... 
consisted of ... Even though their calendar was not based on the lunar cycle, 
significantly,... [DOC] [TLE] Longest river | Teaching Tolerance - Diversity, Equity and Justice [PAR] The growth of civilization led to a rapid growth of mathematics and science. 
People have ... People were glad to see the flood, because it brought water for 
their crops. ... The study of star and flood patterns led the Egyptians to design the 
first 365-day, solar calendar. ... Lunar calendars are based on the 29.5-day moon 
cycle. [DOC] [TLE] The Evolution of the Modern Day Calendar - Gizmodo [PAR] Sep 10, 2013 ... Specifically, the priests of Egypt used Sirius, the Dog Star, to predict ... become 
the first civilization to switch from a lunar to a solar calendar. ... Even today, the 
Muslim and Jewish calendars remain lunar-based. ... which were occurring 10 
days earlier than the dates on the calendar denoted they should be. [DOC] [TLE] The History of the Western Calendar - TimeCenter [PAR] The solar day is considered the earliest form of the calendar. ... Firstly, farmers of 
early civilizations could not calculate the perfect time to plant their crops. ... 
Calendars that were based on lunar and stellar cycles were also used in the 
ancient times. ... One of the first truly scientific calendars was the Egyptian 
calendar. [DOC] [TLE] The passage of time - MIT Haystack Observatory [PAR] There were three natural clocks that ancient man could discern when he looked 
... Ancient civilizations relied upon the apparent motion

Question: The Egyptians were the first civilization to switch from a lunar-based one to a solar-based one
Answer: Calendar