I fast 18 hours and eat during 6 hours each day. I never feel weak. It’s actually easier to clean house or workout while fasting than on a full stomach.
As I’m thinking about it, that’s basically how it works out for me as well. Im not hungry until I’ve been up a few hours, then I’ll eat a little something to keep me going then it’s off to work in the afternoon, later grabbing a sandwich and chips out of vending or some soup or pasta I’ve brought then when I get home I have a little snack and that’s it. Looks like all I need to do is skip the snack at home.