The Egyptian year was divided into the three seasons of Akhet (Inundation), Peret (Growth), and Shemu (Harvest). Akhet covered the Egyptian flood cycle. This cycle was so consistent that the Egyptians time its onset using the heliacal rising of Sirius, the key event used to set their calendar.
The first indications of the rise of the river may be seen at the first of cataracts of the Nile (at Aswan) as early as the beginning of June, and a steady increase goes on until the middle of July, when the increase of water becomes very great. The Nile continues to rise until the beginning of September, when the level that remains stationary for a period of about three weeks, sometimes a little less. In October it rises again, and reaches its highest
The first indications of the rise of the river may be seen at the first of cataracts of the Nile (at Aswan) as early as the beginning of June, and a steady increase goes on until the middle of July, when the increase of water becomes very great. The Nile continues to rise until the beginning of September, when the level that remains stationary for a period of about three weeks, sometimes a little less. In October it rises again, and reaches its highest