How to Sign "Month"
Both hands are in the "one" handshape. Take the first and and orient the palm outward away from the signer, index finger pointing upward. The second hand has the index finger pointing horizontally with the palm facing the signer. Place the middle knuckle of the horizontal index finger on the fingernail of the upward facing index finger and then move the horizontal finger downward along the back of the finger and hand.