What is the best time to walk to lose weight?

Could you please elaborate on the most optimal time of day to embark on a walking routine aimed at shedding pounds? Is there a particular time frame that research suggests is more conducive to weight loss through walking, considering factors such as metabolism, circadian rhythms, and perhaps even environmental conditions? Additionally, are there any specific precautions or considerations one should take into account when choosing a time for a weight-loss walking routine?