National Hugging Day 2021. it is not a public holiday ,but this day offers recognized by the US copyright office . the purpose is to showing love ,taking care and doing help for someone as possible from hands is the main motto of this day .to celebrate this day many free campaigns will have been conducted ,either family ,friends or stranger whoever may they are there is no difference in benefits for physically and mentally while we hug .so ,this is the best greeting way to say sorry to your beloved one and friends by hugging .