Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, -1);
sqlParams.put("yesterday", new SimpleDateFormat("yyyy-MM-dd ").format(cal.getTime()) + "23:59:59");
cal = Calendar.getInstance();
cal.add(Calendar.DATE, +1);
sqlParams.put("tomorrow", new SimpleDateFormat("yyyy-MM-dd ").format(cal.getTime()) + "00:00:00");