Aligning timestamp generation.

client/controls.js

@@ -159,7 +159,7 @@ Controls.prototype.msgCountdown = function(evt) {
 
     const { duration, timestamp } = evt.detail.body;
 
-    const now = new Date().getTime();
+    const now = Date.now();
     const diff = Math.ceil((now - timestamp) / 1000);
     const remaining = duration - diff;
 

server/ricochet.js

@@ -304,7 +304,7 @@ Ricochet.prototype.msgSolve = function(message) {
     clearTimeout(this.countdownTimer);
 
     this.countdownTimer = setTimeout(this.onCountdownComplete.bind(this), this.countdownDuration * 1000);
-    this.countdownTimestamp = new Date().now();
+    this.countdownTimestamp = Date.now();
 
     this.state = STATE.COUNTDOWN;