Merge pull request #95 from back4app/fix-analytics-timezone

Use UTC date as reference in analytics chart

Author: paivaric

src/components/Chart/Chart.react.js

@@ -25,7 +25,7 @@ function sortPoints(a, b) {
 }
 
 function formatDate(date) {
-  let str = DateUtils.getMonth(date.getMonth()) + ' ' + date.getDate();
+  let str = DateUtils.getMonth(date.getUTCMonth()) + ' ' + date.getUTCDate();
   if (date.getUTCHours() === 0 && date.getUTCMinutes() === 0 && date.getUTCSeconds() === 0) {
     return str;
   }
@@ -182,7 +182,7 @@ Chart.propTypes = {
     'The height of the chart.'
   ),
   data: PropTypes.object.isRequired.describe(
-    'The data to graph. It is a map of data names to objects containing two keys: ' + 
+    'The data to graph. It is a map of data names to objects containing two keys: ' +
     '"color," the color to use for the lines, and "points," an array of tuples containing time-value data.'
   ),
   formatter: PropTypes.func.describe(