New Years day was in July and marked the beginning of the first season, which was called Akhet (inundation).  This was when the Nile flooded.  The second season started in November and was called Proyet (emergence).  During this time the crops began to emerge.  The last season, Shomu (summer) began in March at harvest time.  There was also a religious calendar that marked festivals and ceremonies of gods and temples. 

Egyptians considered certain days unlucky and dangerous.  They would mark these days on their calendars in red.  The color red reminded them of the dry deserts and was often used to represent bad fortune.

Other discoveries were in the areas of astrology, language, mathematics, mummification, and medicine.  They were among the first to use anesthesia in surgery and to set broken bones.  Ancient Egyptian surgeons practiced reconstructive surgery using artificial noses and ears.