public static int weekOfYear(TemporalAccessor date){
		return TemporalAccessorUtil.get(date, WeekFields.ISO.weekOfYear());
	}
@Test
	public void weekOfYearTest(){
		final LocalDate date1 = LocalDate.of(2021, 12, 31);
		final int weekOfYear1 = LocalDateTimeUtil.weekOfYear(date1);
		assertEquals(52, weekOfYear1);

		final int weekOfYear2 = LocalDateTimeUtil.weekOfYear(date1.atStartOfDay());
		assertEquals(52, weekOfYear2);
	}