Initiated by Komisyon sa Wikang Filipino (KWF), it is a month-long observance from August 1-30 in both public and private schools by virtue of Presidential Proclamation Number 1041, s. › █ █ █ Sample Programs For Buwan Ng Wika █ █ █īuwan ng Wika (National Language Month) is an annual celebration of Filipino as the national and widely spoken language in the Philippines.