Yo, burger cheapskates: If you can make sense of this jumble of numbers, you can scarf some cheap White Castle burgers on May 27. For National Hamburger Month (May) this year, the Castle is tooting its 87th anniversary by offering sliders for 27¢. But only for 87 minutes.

Date: May 27
Time: 2 p.m.
Where: Selected Whiteys in all White Castle markets
Limit: 10 (as if you'd want to do more than that)

Find a Castle near you: whitecastle.com/_pages/Locate.asp [Tip o' the hat to Eater]