You can cut your nails at night. There is no significant difference in the time of day when you cut your nails, so you can cut your nails at any time. The growth rate of hand nails is fast, it is recommended to cut twice a week, the growth rate of foot nails is relatively slow, you can cut twice a month. It is important to cut your nails correctly and not to damage the edges of your nails, otherwise you will easily develop nail fungus, the symptoms of which are redness, burning, swelling and pain at the edges of your nails, which can be relieved by applying erythromycin ointment and physical therapy. The main components that make up the nail are protein and calcium. If you find that your nails are prone to breaking and peeling during the nail cutting process, you should take proper protein and calcium supplements in your diet so that you can make your body healthier.