update atb calc

duckduckgo · Sep 22, 2016 · 43538ec · 43538ec
1 parent 3c0133a
commit 43538ec
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/lib/main.js b/lib/main.js
@@ -118,7 +118,18 @@ exports.main = function(options, callbacks) {
       if (ss.storage.atb == undefined) {
           var oneWeek = 604800000,
               oneDay = 86400000,
-              timeSinceEpoch = new Date().getTime() - 1456333200000,
+              oneHour = 3600000,
+              oneMinute = 60000,
+              estEpoch = 1456290000000,
+              localDate = new Date(),
+              localTime = localDate.getTime(),
+              utcTime = localTime + (localDate.getTimezoneOffset() * oneMinute),
+              est = new Date(utcTime + (oneHour * -5)),
+              dstStartDay = 13 - ((est.getFullYear() - 2016) % 6),
+              dstStopDay = 6 - ((est.getFullYear() - 2016) % 6),
+              isDST = (est.getMonth() > 2 || (est.getMonth() == 2 && est.getDate() >= dstStartDay)) && (est.getMonth() < 10 || (est.getMonth() == 10 && est.getDate() < dstStopDay)),
+              epoch = isDST ? estEpoch - oneHour : estEpoch,
+              timeSinceEpoch = new Date().getTime() - epoch,
               majorVersion = Math.ceil(timeSinceEpoch / oneWeek),
               minorVersion = Math.ceil(timeSinceEpoch % oneWeek / oneDay);