APOLLO, I got a question for you.

From Nostradamus:
"The Sun in the twentieth of Taurus, great earthquake, Of the great theatre filled, to ruin, The air, sky, and land"


With "sun in the twentieth of Taurus" can you get some kind of date? I had read 2 articles which gave 2 logical dates, one in may and another in June.
I don't have much skills on this.. Is it possible to get a date out of that for later this year?
It would be obvious to relate it to may/june, but can we get any other date?

Thanks for your time!