import { default } from "https://deno.land/x/date_fns@v2.0.0-alpha.28/isSaturday/index.js";
Examples
// Is 27 September 2014 Saturday?
var result = isSaturday(new Date(2014, 8, 27))
//=> true
// Is 27 September 2014 Saturday? var result = isSaturday(new Date(2014, 8, 27)) //=> true