code: public static Instant instantUtc(String text) {
  		Instant result = null;
  		try {
  			ZonedDateTime zdt = ZonedDateTime.parse(text, getFormater(DATE_FORMAT_UTC, "UTC"));
  			//LocalDateTime ldt = LocalDateTime.parse(text, getFormater(DATE_FORMAT_UTC, "UTC"));
  			result = zdt.toInstant();
  		}
  		catch (DateTimeParseException ex) {
  			Say.warn("Instant not constructable {}", ex, text);
  		}
  		return result;
  	}
docs: Creates an Instant, input format is "yyyy-MM-dd'T'HH:mm:ss[.SSS]'Z'", timezone is UTC.