What does Prospero mean when he says "At last two glasses"?

Expert Answers
lmillerm eNotes educator| Certified Educator

When Prospero asks the time of day, Ariel replies: "Past the mid season." (Past noon) Prospero then adds, "At least two glasses." (At least two hourglasses past noon.)
(I.ii.240-241)

revolution | Student

He was trying to say that it was at least two hours past noontime and we must cherish time to the fullest as time is precious and once it's gone, it's gone forever.