Date format and past date check function

[Yoriz]

import datetime


class DateFormatError(Exception):
    pass


class PastDateError(Exception):
    pass


def validate_date(date: str) -> datetime.datetime:
    try:
        date_time = datetime.datetime.strptime(date, "%m/%d/%Y %H:%M:%S")
    except ValueError:
        raise DateFormatError
    if date_time.date() < datetime.date.today():
        raise PastDateError
    return date_time


def main():
    while True:
        user_date = input("Provide date: ")
        try:
            date_time = validate_date(user_date)
            break
        except DateFormatError:
            print("Incorrect date format. Please try again")
        except PastDateError:
            print("Dates in the past are not allowed. Please try again")

    print(f"Correct date recieved {date_time}")


if __name__ == "__main__":
    main()