he months were grouped into three seasons: akhet,
inundation", roughly mid-July to mid-November: per-er.
emergence" or "winter", roughly mid-November to mid»
March, the main growing season; and shemu, "han'est",
perhaps literally "low-water", roughly mid-March to
mid-July, the time of grain harvest.
The Egyptian year was brought up to 365 days by
the inclusion of five additional days following the end of
shemu. These were referred to as the birthdays of the
gods Osiris, Seth, ,lsis, Nephthys and Horns, and were
days ofill omen.