@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final DateTimeFormat that = (DateTimeFormat) o;
        return Objects.equals(pattern, that.pattern) &&
                Objects.equals(timeZone, that.timeZone);
    }
@return The the {@link TimeZone timeZone} to use when formatting the date
stroom-legacy/stroom-legacy-model_6_1/src/main/java/stroom/legacy/model_6_1/DateTimeFormat.java