The suitable answer to this question is ----The month january in this given question begins with MONDAY......
Explanation:-- There are 4 sundays and 4 thursdays. So between these we will have 4 fridays and 4 saturdays.
5 modays+5 Tuesdays+5Wednesdays 15 days
4 thu+4 Fri+4 Sat+4 Sundays 16 days
Total 31 days