non Gregorian datetime
i have time series based on persian dates, which is behind 1970 (now, we are 1392).
setting xAxis.type= 'datetime' collapse all data as it except datetimes > 1970. tweaking xAxis.labels.format will not help because the provided {value} is collapsed before
what can i do?
what is the best practice to having international (and non gregorian) dates inside highcharts?
![](https://secure.gravatar.com/avatar/b057c8d6d1e5f1b5ebed8ced650cb94b?size=40&default=https%3A%2F%2Fassets.uvcdn.com%2Fpkg%2Fadmin%2Ficons%2Fuser_70-6bcf9e08938533adb9bac95c3e487cb2a6d4a32f890ca6fdc82e3072e0ea0368.png)
This is supported through the global Date option: http://api.highcharts.com/highcharts/global.Date
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Also you should check out this Highcharts plugin: http://www.highcharts.com/plugin-registry/single/21/Highcharts%20Localization
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Arash pajoohande commented
actually, in general how to use datetimes before 1970 in highcharts?