code: public static CharSequence getRelativeTimeSpanString(Context ctx, ReadablePartial time, boolean withPreposition) {
          return getRelativeTimeSpanString(ctx, time.toDateTime(DateTime.now()), withPreposition);
      }
docs: Returns a relative time string to display the time expressed by millis.
  
  Missing fields from 'time' are filled in with values from the current time.
  
  See {@link android.text.format.DateUtils#getRelativeTimeSpanString} for full docs.
  
  @param withPreposition If true, the string returned will include the correct
  preposition ("at 9:20am", "on 10/12/2008" or "on May 29").