Fix timestamp usage

bin/now-alias

@@ -120,11 +120,11 @@ async function run (token) {
 
       const sorted = await sort([...byTarget]);
 
-      const current = Date.now();
+      const current = new Date();
       const text = sorted.map(([target, _aliases]) => {
         const t = table(_aliases.map((_alias) => {
           const _url = chalk.underline(`https://${_alias.alias}`);
-          const time = chalk.gray(ms(current - _alias.created) + ' ago');
+          const time = chalk.gray(ms(current - new Date(_alias.created)) + ' ago');
           return [_alias.uid, _url, time];
         }), { align: ['l', 'r', 'l'], hsep: ' '.repeat(6) });
         return chalk.bold(target) + '\n\n' + indent(t, 2);