SQL Setting Default value of Date and time in Table

create table Mst_Category
(
Cat_Auto bigint not null primary key identity(1,1),
Cat_Id varchar(20) not null,
Cat_Name varchar(100),
userId varchar(20),
dflag int,
Sys_Date datetime default getdate(),
sys_Time  time default CONVERT(time, GETDATE())
)


create table Mst_Category
(
Cat_Auto bigint not null primary key identity(1,1),
Cat_Id varchar(20) not null,
Cat_Name varchar(100),
userId varchar(20),
dflag int,
Sys_Date datetime default getdate(),
sys_Time  varchar(20) default RIGHT(CONVERT(CHAR(20), GETDATE(), 22), 11)--For AM and PM
)