public class Test {
    private static long ONE_SECOND_MS = 1000;
    private static long ONE_DAY_MS = 24 * 60 * 60 * ONE_SECOND_MS;
    public static boolean IsYesterday(long yesterdayMS) {
        long now = System.currentTimeMillis();
        long todayLeftMS = todayLeftSeconds() * ONE_SECOND_MS;
        long a = now - yesterdayMS - (ONE_DAY_MS - todayLeftMS);
        return a >= 0 && a <= ONE_DAY_MS;
    }
    private static int todayLeftSeconds() {
        LocalDateTime now = LocalDateTime.now();
        LocalDateTime nextClock0 = LocalDateTime.of(LocalDate.now().plusDays(1L), LocalTime.MIN);
        return (int) ChronoUnit.SECONDS.between(now, nextClock0);
    }
    public static void main(String[] args) {
        System.out.println(IsYesterday(System.currentTimeMillis() - ONE_DAY_MS));
    }
}