public static DateTime parse(CharSequence dateStr, DateFormat dateFormat) {
		return new DateTime(dateStr, dateFormat);
	}
@Test
	public void parseISOTest() {
		final String dateStr = "2020-04-23T02:31:00.000Z";
		final DateTime time = DateUtil.parse(dateStr);
		assertEquals("2020-04-23 02:31:00", Objects.requireNonNull(time).toString());
	}