datetime

CREATE TABLE DATES
(
    Column_for_dates DATETIME NOT NULL
)

INSERT INTO DATES(Column_for_dates) VALUES ('21-10-2020 10:30' )

SELECT * FROM DATES

SELECT GETDATE()

INSERT INTO DATES(Column_for_dates) VALUES ('2020-10-22 10:30')
INSERT INTO DATES(Column_for_dates) VALUES (CONVERT (DATETIME, '21-10-2020 10:30', 105))