The format to use with linkedField
This can be any valid format string that “linkedField” will be populated with. The default value is the format that .toJSON returns.
note: this default format includes a ‘Z’ - it stands for “Zulu Time”, a.k.a. “GMT”, a.k.a. “UTC” - it is the single instance of DateBox doing any time zone processing, it does translate the date and time to GMT. PHP only mostly understands ISO-8601, other languages do better. Backend node.js would be very happy with this format. That said, if you have not otherwise handled time zones in your application, please, please, please do not use the default setting. Note also this is relying on the useragent to have a correctly implemented toJSON - which should be there, but…