Have a look at intermittent fasting, where you have a non-eating window of various length. There are options (not eating : eating), for example 12:12, 16:8, 20:4 or 23:1. I do 16:8, so I stop eating at 20:00 and don’t eat again till 12:00 the next day. You eat normally within your window and can obviously set your fasting window to start and stop for when suits, as longs as it’s consistent. I’ve seen a noticeable improvement in weight just from doing that any nothing else, giving up booze made another massive difference, even just for a month.
You can cycle and do IF, it’s just a bit harder. Yesterday for example, I was out the door at 06:03 and cycled for 2h 13m and 46KM on bridleways, byways and roads to work. The cycle home was over 70KM again on bridleways, byways and roads, and took nearly four hours, powered by a couple of flapjacks. I ate when I got home, even though it was outside my window. I don’t normally go that long on the way in and the way back.
When I used to cycle commute full time, I used to bonk regularly on the way home until I had a word with myself. Cycle to work, then have breakfast at 10:00, have lunch at 14:00, but then nothing till I got home at 20:00, which was rubbish. If you’re going hard enough, you’re burning enough calories for a 17:00 muffin. I used to bake a few batches, pop them in the freezer and take one into work each day. I also used to cary a few emergency gels in my panniers.
Try a few things, see what works. My wife likes the 5:2, for example, but I couldn’t get on with it. She doesn’t like IF, etc, etc…