Nodejs Timezone Offset Get stdTimezoneOffset()

Method Source Code

var https = require('https'),
   env = require('dotenv').config();

var wakatimeAPI = process.env.WAKATIME_SECRET_KEY,
   encodedAPI = new Buffer(wakatimeAPI).toString('base64');

Date.prototype.stdTimezoneOffset = function() {
    var jan = new Date(this.getFullYear(), 0, 1);
    var jul = new Date(this.getFullYear(), 6, 1);
    return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
}

Date.prototype.dst = function() {
    return this.getTimezoneOffset() < this.stdTimezoneOffset();
}

var formatDate = function(timestamp){
   var pad = function(digit){
      digit = digit+"";
      if(digit.length < 2){
         digit = '0'+digit;
      }//w w w .ja  v a2 s  . c  o  m

      return digit
   };
   
   var d = new Date(timestamp),
      year = parseInt(d.getFullYear(),10),
      month = pad(parseInt(d.getMonth(),10)+1),//zero based
      date = pad(parseInt(d.getDate(),10));

   return year+'-'+month+'-'+date;
};

Related

1. stdTimezoneOffset()

   Date.prototype.stdTimezoneOffset = function() {
     var jan = new Date(this.getFullYear(), 0, 1);
     var jul = new Date(this.getFullYear(), 6, 1);
     return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
   

2. stdTimezoneOffset()

   Date.prototype.stdTimezoneOffset = function() {
       var jan = new Date(this.getFullYear(), 0, 1);
       var jul = new Date(this.getFullYear(), 6, 1);
       return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
   Date.prototype.dst = function() {
       return this.getTimezoneOffset() < this.stdTimezoneOffset();
   function get_time_zone_offset() {
   ...
   

3. stdTimezoneOffset()

   Date.prototype.stdTimezoneOffset = function() {
       const jan = new Date(this.getFullYear(), 0, 1);
       const jul = new Date(this.getFullYear(), 6, 1);
       return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
   };
   

4. stdTimezoneOffset()

   Date.prototype.stdTimezoneOffset = function() {
     var jan = new Date(this.getFullYear(), 0, 1);
     var jul = new Date(this.getFullYear(), 6, 1);
     return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());