The date looks like:
25/apr/18 10:24 AM
Here's the code I'm trying to use
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd-MMM-yy HH:mm");
LocalDate open = LocalDate.parse(openTime.toString(), dtf);
LocalDate now = LocalDate.now();
now = dtf.format(now); // <-- Can't do this as it's apparently a string and not a LocalDate
elapsedDays = ChronoUnit.DAYS.between(now, open)