Based on lunar months, ie the first of each month coincides with the date of the actual New Moon. In 'Common' years of 354 days, the months are alternately 30 and 29 days long; in the 'Kabishah' year of 355 days the last month has 30 days. During a 30-year period there are 19 Common and 11 Kabishah years.The Islamic months are as follows:

                                                           1-        Muharram

                                                           2-        Safar

                                                           3-        Rabi-ul   Awwal

                                                           4-        Rabi-ul Saani

                                                           5-        Jumada-ul  Awwal

                                                           6-        Jumada-ul Saani

                                                           7-        Rajab

                                                           8-        Sha'ban

                                                           9-        Ramazan

                                                           10-      Shawwal

                                                           11-      Zee Qa'da

                                                           12-     Zel-Hijja