{"action":"opened","issue":{"url":"https://api.github.com/repos/highcharts/highcharts/issues/4951","labels_url":"https://api.github.com/repos/highcharts/highcharts/issues/4951/labels{/name}","comments_url":"https://api.github.com/repos/highcharts/highcharts/issues/4951/comments","events_url":"https://api.github.com/repos/highcharts/highcharts/issues/4951/events","html_url":"https://github.com/highcharts/highcharts/issues/4951","id":128210396,"number":4951,"title":"bug build x axis using getTimezoneOffset","user":{"login":"hugomrdias","id":314190,"avatar_url":"https://avatars.githubusercontent.com/u/314190?v=3","gravatar_id":"","url":"https://api.github.com/users/hugomrdias","html_url":"https://github.com/hugomrdias","followers_url":"https://api.github.com/users/hugomrdias/followers","following_url":"https://api.github.com/users/hugomrdias/following{/other_user}","gists_url":"https://api.github.com/users/hugomrdias/gists{/gist_id}","starred_url":"https://api.github.com/users/hugomrdias/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hugomrdias/subscriptions","organizations_url":"https://api.github.com/users/hugomrdias/orgs","repos_url":"https://api.github.com/users/hugomrdias/repos","events_url":"https://api.github.com/users/hugomrdias/events{/privacy}","received_events_url":"https://api.github.com/users/hugomrdias/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-22T18:04:02Z","updated_at":"2016-01-22T18:04:02Z","closed_at":null,"body":"When building the x axis, getTimezoneOffset method is called with a strange timestamp, but when building datalabels or tooltips everything seems ok.\r\n\r\nexample for DST change in 'Europe/Lisbon':\r\nhttp://jsbin.com/seralet/14/edit?js,console\r\n\r\nproblem:\r\nx axis has day 25 twice and tooltips and datalabels show the correct datetime\r\n"}}