import { default } from "https://deno.land/x/date_fns@v2.0.0-alpha.17/getDay/index.js";
Examples
// Which day of the week is 29 February 2012?
var result = getDay(new Date(2012, 1, 29))
//=> 3
// Which day of the week is 29 February 2012? var result = getDay(new Date(2012, 1, 29)) //=> 3