docs: public final boolean isDayChange() {
          if (!getEventType().equals(ENTRY_INTERVAL_CHANGED)) {
              return false;
          }
  
          Interval newInterval = entry.getInterval();
          Interval oldInterval = getOldInterval();
  
          ZonedDateTime newStart = newInterval.getStartZonedDateTime();
          ZonedDateTime oldStart = oldInterval.getStartZonedDateTime();
          if (!newStart.toLocalDate().equals(oldStart.toLocalDate())) {
              return true;
          }
  
          ZonedDateTime newEnd = newInterval.getEndZonedDateTime();
          ZonedDateTime oldEnd = oldInterval.getEndZonedDateTime();
          return !newEnd.toLocalDate().equals(oldEnd.toLocalDate());
  
      }