is my internet connection being hacked?

[Gintoki]

i kinda feel like my internet connection is being hacked.its slow on morning but when it is 9pm the speed is back to normal without doing anything.or is it just my internet provider is cheating me. how will i know if my internet connection is hack my internet is not wireless
if the problem is many people using internet im my area why does it only started about two weeks ago?before that it has no problem i need help my internet provider is a trash they dont give proper service