DM NO. 248, S. 2023. OBSERVANCE OF FLEXIBLE WORKING HOURS FOR MUSLIM TEACHING AND NON-TEACHING PERSONNEL DURING THE MONTH OF RAMADAN Posted on March 10, 2023 by DepEd Mandaluyong Leave a comment DM NO. 248, S. 2023. OBSERVANCE OF FLEXIBLE WORKING HOURS FOR MUSLIM TEACHING AND NON-TEACHING PERSONNEL DURING THE MONTH OF RAMADAN Memorandum Numbered