G = Y%19 C = Y÷100 K = (C−17)÷25 H = {19×G+15+C−C÷4−(C−K)÷3}%30 I = H−(H÷28)×[1−{29÷(H+1)}×{(21−G)÷11}] J = (Y+Y÷4−C+C÷4+I+2)%7 L = I−J M = 3+(L+40)÷44 D = L+28−31×(M÷4)
G = Y%19
C = Y÷100
K = (C−17)÷25
H = {19×G+15+C−C÷4−(C−K)÷3}%30
I = H−(H÷28)×[1−{29÷(H+1)}×{(21−G)÷11}]
J = (Y+Y÷4−C+C÷4+I+2)%7
L = I−J
M = 3+(L+40)÷44
D = L+28−31×(M÷4)