Hijri Name of the Islamic lunar calendar. It took its name from the early Muslims who migrated from Makkah to Madinah, and commences from the date of Prophet Muhammad`s Hijrah, (S.A.W.), which he made with Abu Bakr as-Siddiq (may Allah be pleased with him), in 622 C.E. The months of the Islamic calendar are: 1. Muharram 2. Safar 3. Rabi al-Awal 4. Rabi al-Thani 5. Jumada al-Awal 6. Jumada al-Thani 7. Rajab 8. Sha`ban 9. Ramadan 10. Shawal 11. Dhul Qi`da 12. Dhul Hijjah.