diff --git a/wheniwork.hours.user.js b/wheniwork.hours.user.js
new file mode 100644
index 0000000..45cae33
--- /dev/null
+++ b/wheniwork.hours.user.js
@@ -0,0 +1,63 @@
+// ==UserScript==
+// @name WhenIWork True Total Worked
+// @namespace danielrayjones
+// @description Adds the Total hours worked, including today
+// @include https://app.wheniwork.com/payroll/
+// @version 0.2
+// @require https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js
+// ==/UserScript==
+
+/* global $ */
+
+$(document).ready(function() {
+  'use strict';
+
+  // Filter out this event from iframes
+  if (!this.body.classList.contains("controller-payroll")) {
+    return;
+  }
+
+  let currentHourSum = 0;
+
+  function updateHours(hours) {
+    currentHourSum = hours;
+
+    let weekPlusDayTotal = $('#week-plus-day-total');
+    let span = `<span class="hour-type-label">Total with Today</span>${hours}`
+
+    if (weekPlusDayTotal.length === 0) {
+      $('#header-summary-container .stats').append(
+        `<div class="hour-type-summary"><div id="week-plus-day-total" class="hour-type-total difference">${span}</div></div>`
+      );
+    } else {
+      weekPlusDayTotal.html(span);
+    }
+
+    // In case this ran while the page was loading, let's try again in two seconds.
+    setTimeout(addHours, 2000);
+  }
+
+  function addHours() {
+    let hourSum = 0;
+    $('.times-list .col-worked .text-input[data-total]').each(function () {
+      hourSum += parseFloat($(this).text()) || 0;
+    });
+
+    // Adjust for floating point errors
+    hourSum = Math.round(hourSum*100)/100;
+
+    console.log(`got ${hourSum} hours`);
+
+    // AJAX request hasn't finished yet. Let's wait some more.
+    if (currentHourSum === 0 && hourSum === 0) return setTimeout(addHours, 2000);
+
+    if (currentHourSum !== hourSum && hourSum > 0) {
+      updateHours(hourSum);
+    }
+  }
+
+  // The hours don't show up until after an AJAX request completes.
+  // Let's wait two seconds for it to finish.
+  setTimeout(addHours, 2000);
+
+});