From 572ba7da8411f0699e7c1ddc6813a9c623ffe807 Mon Sep 17 00:00:00 2001
From: lex3001 <l@marishi.net>
Date: Sun, 3 May 2020 12:44:40 -0700
Subject: [PATCH 1/2] Update GmailUtils.gs

---
 GmailUtils.gs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/GmailUtils.gs b/GmailUtils.gs
index 9f8aaa9..8f56476 100644
--- a/GmailUtils.gs
+++ b/GmailUtils.gs
@@ -476,8 +476,8 @@ function formatEmails_(emails) {
  * @param {string} class
  * @return {boolean}
  */
-function isa_(obj, class) {
-  return typeof obj == 'object' && typeof obj.constructor == 'undefined' && obj.toString() == class;
+function isa_(obj, className) {
+  return typeof obj == 'object' && (typeof obj.constructor == 'undefined' || typeof obj.constructor == 'function') && obj.toString() == className;
 }
 
 /**
@@ -500,8 +500,21 @@ function defaults_(options, defaults) {
  * @return {string}
  */
 function localTimezone_() {
-  var timezone = new Date().toTimeString().match(/\(([a-z0-9]+)\)/i);
-  return timezone.length ? timezone[1] : 'GMT';
+  // 19:26:50 GMT-0700 (Pacific Daylight Time)
+  // 19:29:40 GMT-0700 (PDT)
+  //Logger.log('Hello=' + new Date().toTimeString());
+  //console.log('Hello=' + new Date().toTimeString());
+  //var timezone = new Date().toTimeString().match(/\(([a-z 0-9]+)\)/i);
+  //return timezone.length ? timezone[1] : 'GMT';
+  var tz = gettz_();
+  return tz ? tz : 'GMT';
+}
+
+function gettz_() {
+  var d = new Date(); // now, or the specific date in question
+  var s = d.toLocaleString("en", {timeZoneName: "short"}).split(' ').pop();
+  //Logger.log(s);
+  return s;
 }
 
 /**
@@ -525,4 +538,3 @@ function md5_(str) {
     chr = (chr < 0 ? chr + 256 : chr).toString(16);
     return str + (chr.length==1?'0':'') + chr;
   },'');
-}

From 009abd4a1b7d139e9b505e1006a72b8556a9f8ff Mon Sep 17 00:00:00 2001
From: lex3001 <l@marishi.net>
Date: Sun, 3 May 2020 12:44:44 -0700
Subject: [PATCH 2/2] Update GmailUtils.gs

---
 GmailUtils.gs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/GmailUtils.gs b/GmailUtils.gs
index 8f56476..b1f111f 100644
--- a/GmailUtils.gs
+++ b/GmailUtils.gs
@@ -538,3 +538,4 @@ function md5_(str) {
     chr = (chr < 0 ? chr + 256 : chr).toString(16);
     return str + (chr.length==1?'0':'') + chr;
   },'');
+}
\ No newline at end of file