Two Kingdoms Calendar

The Two Kingdoms divides the 320-day year into 12 months of 26 days each, plus 8 extra intercalary days at the end of the year. The months are divided into 3 weeks, the first two of which are 9 days long and the third (the "robbed week") 8 days long.

Months:

1. Thoukelphaophi (Before The Rain)
2. Kelphaophi (The Rain)
3. Kelphaophyr (The Rainbow)
4. Koikelphaophi (After The Rain)
5. Matbaya (Childhood)
6. Mamshara (Adolescence)
7. Mamhata (Adulthood)
8. Marmada (Elderhood)
9. Nābiskelpashons (Killing the Weak)
10. Nābiskelpaoni (Killing the Average)
11. Nābiskelepip (Killing the Strong)
12. Nābiskelmutnābis (Killing the Immortal)

Years are counted in regnal and dynastic years, making the present year the 23rd year of the Pharaoh Menmātra, the ??th Pharaoh of the ??th Dynasty.