final ArrayList<String> TodayArray = new ArrayList<>();
                final ArrayList<String> YesterdayArray = new ArrayList<>();
                final ArrayList<String> OnThisWeekArray = new ArrayList<>();


                TodayArray.add(0, "          Сегодня:     ");
                YesterdayArray.add(0, "          Вчера:     ");
                OnThisWeekArray.add(0, "          На этой неделе:     ");

                for (DataSnapshot chidSnap : dataSnapshot.getChildren()) {
                    for (long i = 0; i<chidSnap.getChildrenCount(); i++){
                        if (chidSnap.getKey().equals(CurrentDate.get("DayOfYear"))){
                            TodayArray.add((int)i+1, ToUpper(String.valueOf(WordIndex + 1) + ". " + String.valueOf(chidSnap.child(String.valueOf(i + 1)).child("word").getValue())));
                        }else if (chidSnap.getKey().equals(yesterday)){
                            YesterdayArray.add((int)i+1, ToUpper(String.valueOf(WordIndex + 1) + ". " + String.valueOf(chidSnap.child(String.valueOf(i + 1)).child("word").getValue())));
                        }else{
                            OnThisWeekArray.add((int)i+1, ToUpper(String.valueOf(WordIndex + 1) + ". " + String.valueOf(chidSnap.child(String.valueOf(i + 1)).child("word").getValue())));
                        }
                        WordIndex++;
                    }
                }