Nodejs Timezone Offset Get stdTimezoneOffset()

Method Source Code

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() {
   var current_date = new Date();
   return -current_date.getTimezoneOffset() / 60;
}

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

3. 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());
   

4. stdTimezoneOffset()

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