the json4s date-time formatter used by emblem.traversors.sync.JsonToEmblemTranslator and emblem.traversors.sync.EmblemToJsonTranslator.
the json4s date-time formatter used by emblem.traversors.sync.JsonToEmblemTranslator and emblem.traversors.sync.EmblemToJsonTranslator. this format is entirely lossless AFAIK, including with respect to time zones, and conforms to ISO 8061.
general purpose functions for working with JSON