import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

public class Main {
    public static void main(String[] args) {
        String strDateTime = "1/10/24 7:00 PM";
        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("M/d/uu h:mm a", Locale.ENGLISH);
        LocalDateTime ldt = LocalDateTime.parse(strDateTime, dtf);
        ZonedDateTime zdt = ldt.atZone(ZoneId.systemDefault());
        Instant output = zdt.toInstant();
        System.out.println(output);
    }
}