Birth registration:
Name: WITHERS, ALBERT
Mother's Maiden Surname: WAINWRIGHT
GRO Reference: 1904 M Quarter in LEICESTER Volume 07A Page 280
To me this suggests he was born 4.12.1903. as birth was registered early 1904.
There is some confusion as the 1939 register has his d.o.b. as 4.12.1904