# months
M(w)_1=muharram
M(w)_2=safar
M(w)_3=rabiʻ I
M(w)_4=rabiʻ II
M(w)_5=jumada I
M(w)_6=jumada II
M(w)_7=rajab
M(w)_8=shaʻban
M(w)_9=ramadan
M(w)_10=shawwal
M(w)_11=dhuʻl-Qiʻdah
M(w)_12=dhuʻl-Hijjah

# eras
E(w)_0=AH

E(a)_0=AH

E(n)_0=AH