Class TruncDate

django/db/models/functions/datetime.py:383–392

class TruncDate(TruncBase):
    kind = "date"
    lookup_name = "date"
    output_field = DateField()

    def as_sql(self, compiler, connection):
        # Cast to date rather than truncate to date.
        sql, params = compiler.compile(self.lhs)
        tzname = self.get_tzname()
        return connection.ops.datetime_cast_date_sql(sql, tuple(params), tzname)


class TruncTime(TruncBase):