Humanity will be extinct long before sun gobbles up tiny earth. A million earths will fit inside the Sun. We are smaller than a tiny tick on a bull elephants behind.
Not a bad call from four hundred years ago but I believe it will happen before 2060. I don’t think the method has any validity, Holy Roman Empire plus 1260 years - neither seems correct to me (the event for a countdown, nor the assumption of days to years, which begs the question, wouldn’t one then expect to wait a further 30 years for the abomination and 45 years for the blessing so that in fact Newton’s prediction would be for the Kingdom to arrive in 2135 AD.