Most of the companies work for 7/8 hrs a day, starting form 6:00 AM or 7 AM. Fridays and Saturdays are weekends. Public Holidays are very limited 3 to 5 days for an Eid Fitr  and 3 to 5 days for Eid Adha and 1 day for national day. Besides this you get an annual vacation of 30 to 45 days.

HTH