My son is a month old and I'll be going back to school in 2 weeks but I'll only be going for 2hrs…

My son is a month old and I'll be going back to school in 2 weeks but I'll only be going for 2hrs and my mother will be taking care of him but I also have to go back to work but I don't feel it's the right time to go back if I go back I'll be gone most of the day and I won't see him 😕 what should I do? When is the best time to go back to work?