the exact time when an attack or other military action will start
The air force planes waited until zero hour in order to begin their bombing mission.
Keep Your Skin Dry
Make sure that drying your feet is part of your hygiene routine. The space between the toes is very airtight, says Tillet. Skin gets moist and breaks down, leading to infection. Prevent this by toweling off thoroughly after washing your feet and by removing wet or sweaty socks or shoes immediately. You can still use moisturizer to prevent dry, cracked skin just avoid putting it between your toes.