JSFiddle - React, Tailwind, and code Playground

JavaScript

var date = new Date();
          var timeZone = date.toString();
          //Get timezone ( 'GMT+0200' )
          var timeZoneIndex = timeZone.indexOf('GMT');
          //Cut optional string after timezone ( '(heure normale d’Europe centrale)' )
          var optionalTimeZoneIndex = timeZone.indexOf('(');
          if(optionalTimeZoneIndex != -1){
        	  timeZone = timeZone.substring(timeZoneIndex, optionalTimeZoneIndex);
          }
          else{
        	  timeZone = timeZone.substring(timeZoneIndex);
          }
          //Get date with JSON format ( '2019-01-23T16:28:27.000Z' )
          var formattedDate = new Date(date.getTime() - (date.getTimezoneOffset() * 60000)).toJSON();
          //Cut ms
          formattedDate = formattedDate.substring(0,formattedDate.indexOf('.'));
          //Add timezone
          formattedDate = formattedDate + ' ' + timeZone;
          console.log(formattedDate);