Actual Time pm 
Time Passed Units 
Small Bell 3 units 
Med. Bell 5 units 
Large Bell 7 units 
7:00:00 
00:00 
X 
X 
X 
00:30 

7:01:00 
01:00 

01:30 
X 

7:02:00 
02:00 

02.30 
X 

7:03:00 
03.00 
X 

03:30 
X 

7:04:00 
04:00 

04:30 
X 

7:05:00 
05:00 
X 

05:30 

7:06:00 
06:00 
X 

06:30 

7:07:00 
07:00 
X 

07:30 
X 
X 

7:08:00 
08:00 

08:30 

7:09:00 
09:00 
X 

09:30 

7:10:00 
10:00 
X 

10:30 
X 
X 

7:11:00 
11:00 

11:30 

7:12:00 
12:00 
X 

12:30 
X 

7:13:00 
13:00 

13:30 
X 

7:14:00 
14:00 
X 

14:30 

7:15:00 
15:00 
X 
X 

15:30 

7:16:00 
16:00 

16:30 
X 

7:17:00 
17:00 

17:30 
X 
X 

7:18:00 
18:00 
X 

18:30 

7:19:00 
19:00 

19:30 
X 

7:20:00 
20:00 
X 

20:30 

7:21:00 
21:00 
X 
X 

21:30 

7:22:00 
22:00 

22:30 
X 
X 

7:23:00 
23:00 

23:30 

7:24:00 
24:00 
X 

24:30 
X 

7:25:00 
25:00 
X 

25:30 
X 

7:26:00 
26:00 

26:30 

7:27:00 
27:00 
X 

27:30 
X 

7:28:00 
28:00 
X 

28:30 
X 

7:29:00 
29:00 

29:30 

7:30:00 
30:00 
X 
X 

30:30 

7:31:00 
31:00 

31:30 
X 
X 

7:32:00 
32:00 

32:30 
X 

7:33:00 
33:00 
X 

33:30 

7:34:00 
34:00 

34:30 
X 

7:35:00 
35:00 
X 
X 

35:30 

7:36:00 
36:00 
X 

36:30 

7:37:00 
37:00 

37:30 
X 
X 

7:38:00 
38:00 

38:30 
X 

7:39:00 
39:00 
X 

39:30 

7:40:00 
40:00 
X 

40:30 
X 

7:41:00 
41:00 

41:30 

7:42:00 
42:00 
X 
X 

42:30 
X 

7:43:00 
43:00 

43:30 
X 

7:44:00 
44:00 

44:30 

7:45:00 
45:00 
X 
X 

45:30 
X 

7:46:00 
46:00 

46:30 
X 

7:47:00 
47:00 

47:30 
X 

7:48:00 
48:00 
X 

48:30 

7:49:00 
49:00 
X 

49:30 
X 

7:50:00 
50:00 
X 

50:30 

7:51:00 
51:00 
X 

51:30 

7:52:00 
52:00 

52:30 
X 
X 
X 