I Was hired 8yrs ago by a very well-know healthcare system in revenue COLLECTIONS my hiring work hours were 7:00am to 3:30pm. A new Vice president CHANGED entire DEPT hours 8:00am to 4:30pm & only gave 2months notice. I live 16miles away which now means I

I live in ENFIELD CT and work in Newington CT. Because I was told to get a doctor's note which I did and last yr 2014 was told at daylight savings MY HRS would be 7:30am to 4:00pm. This yr I was told to get an updated doctor's note which I did. I just requested an additional 15mins in the evening because due to unusual traffic every evening I am again driving in the dark and only 3miles from my job and I live 16miles away. I was told It may not be allowed due to no supervisor at 7:15am to cover me! Is this legal?