public static String createNormalDateTimeString(final Long ms) {
        if (ms == null) {
            return "";
        }
        return NORMAL_STROOM_TIME_FORMATTER.format(Instant.ofEpochMilli(ms).atZone(ZoneOffset.UTC));
    }
Create a 'normal' type date.

@param ms The date to create the string for.
stroom-util/src/main/java/stroom/util/date/DateUtil.java