NEW YORK (PIX11) – Burger King is offering buy one, get one free Whoppers on the day of the total solar eclipse.

While the rare celestial event on Monday is expected to only last for a few minutes, the Whopper deal will be available all day.

People signed up for the Burger King rewards program can text the word “ECLIPSE” to 251251 to claim the offer.

If you’re not a Royal Perks rewards member, there is still time to sign up.