Facebook page API to update hours

I want to update the facebook page Hours section using Graph API. How to update "No hours available" and "Open for selected hours" section.

   $hours = {"mon_1_open":0,"mon_1_close":0,
   "mon_2_open":0,"mon_2_close":0,
   "tue_1_open":0,"tue_1_close":0,
   "tue_2_open":0,"tue_2_close":0,
   "wed_1_open":0,"wed_1_close":0,
   "wed_2_open":0,"wed_2_close":0,
   "thu_1_open":0,"thu_1_close":0,
   "thu_2_open":0,"thu_2_close":0,
   "fri_1_open":0,"fri_1_close":0,
   "fri_2_open":0,"fri_2_close":0,
   "sat_1_open":0,"sat_1_close":0,
   "sat_2_open":0,"sat_2_close":0,
   "sun_1_open":0,"sun_1_close":0,
   "sun_2_open":0,"sun_2_close":0}

This my hours' array.

via Chebli Mohamed