I think afternoon exercise is the most effective. I have seen research before, and that afternoon is the fastest time for metabolism, which is more suitable for fitness. Then, in fact, when fitness is the most effective depends on yourself. I think afternoon is the most effective because I can't get up in the morning, and forcing myself to get up is also in a daze. Then getting up and exercising can't achieve the effect at all. Taking a nap in the middle school and exercising in the afternoon are the best for me.
Therefore, if you want to be the most effective in fitness, you must be optimistic about your routine. If you can get up early and have enough energy to exercise, you can exercise completely. Running in the morning is a good choice.
If you are an office worker, you need to go to work in the morning and have no time in the afternoon, you can also rest for an hour at night to exercise, which is also the best for you. Keep a happy mood before exercise, take fitness as a happy thing to do, don't resent it in your heart, and prevent injury in fitness. The above are only personal opinions and are for reference only. I hope to adopt them. Thank you.