@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        DateData dateData = (DateData) o;

        if (TZID != null ? !TZID.equals(dateData.TZID) : dateData.TZID != null) return false;
        if (value != null ? !value.equals(dateData.value) : dateData.value != null) return false;
        if (value_type != dateData.value_type) return false;

        return true;
    }