The Department of Islamic Research and Studies at the Ministry of Endowments (Awqaf) and Islamic Affairs has released the Qatari calendar book for 1445 AH in the meridian time of Doha city. Director of the Department of Research and Islamic Studies Sheikh Dr Ahmed Mohamed Ghanem al-Thani said the ministry has been issuing this calendar for decades every new Hijri year, due to the importance of worship in Muslims' life. The calendar is a guide that reminds Muslims of times to perform the prescribed acts of worship.