The term commencement day is identified in base64 scheme by the sequence Y29tbWVuY2VtZW50IGRheQ==, while the MD5 signature is equal to 8b4284a3e4362c9f1a0faef00b8ae4f9. The ASCII encoding of commencement day in hexadecimal notation is 636f6d6d656e63656d656e7420646179.