∇Time[⎕]∇
∇
[0] z←Time
[1] z←(,Tmfmt 100⊥((12|z[1])+(12×0=12|z[1])),z[2]),(2 3⍴' AM PM')[1+(z←⎕TS[4 5])[1]≥12;]
∇
∇Tmfmt[⎕]∇
∇
[0] z←Tmfmt d
[1] z←(2 0⍕⍉d[,1;]),':',2 0⍕⍉(d←(2⍴100)⊤,d)[,2;]
[2] z←z[;1],(0 ¯1+⍴z)⍴¯1 0↓(d=' ')⊖(d←,0 1↓z),[0.5]'0'
∇
)SI
Time
DOMAIN ERROR
Tmfmt[1] z←(2 0⍕⍉d[,1;]),':',2 0⍕⍉(d←(2⍴100)⊤,d)[,2;]
^ ^
I have no idea why I got a domain error.
Thanks.