- the Hijra
- the event the calendar counts its years from until today
- the lunar month
- the lunar month — the unit each year is made of
- Ramadan
- the ninth month — the fasting month of the year
- Shawwal
- the month following the fast, opened by the joyful Eid
- Dhu al-Hijja
- the Hajj month, with which the lunar year is sealed
- Muharram
- the year's first month, and one of the sacred ones
- the crescent
- the sign of the new month, appearing in the sky
- the lunar year
- the lunar year's length — some eleven days shorter than the solar
- Eid al-Fitr
- the feast that comes at the end of blessed Ramadan
- Eid al-Adha
- the sacrifice feast falling in the great Hajj season
- Umar ibn al-Khattab
- the caliph who chose the starting year for the Hijri calendar
- the moving season
- the secret of the four seasons travelling through the years
