 typically I take six months to cover not good or bad that's just the teachers who do that in four months also five months also but my limitations I was taking the course for four months over time it has increased okay so for me is going to be six months in which approximate division is physical geography 75 days environment geography 10 days economic geography 15 days so almost map approximate date plus or minus some days depending on and maybe I had a vacation or some holidays but that's time we take and