<p>Here’s a graphical version – albeit a long one. On the SAT, a clock should be presented as 12 hours “old style” clock. </p>
<p>Hours Clock 1 Clock 2
0 12 12
1 1 1220
2 2 1240
3 3 1
4 4 120
5 5 140
6 6 2
7 7 220
8 8 240
9 9 3
10 10 320
11 11 340
12 12 4
13 1 420
14 2 440
15 3 5
16 4 520
17 5 540
18 6 6
19 7 620
20 8 640
21 9 7
22 10 720
23 11 740
24 12 8
25 1 820
26 2 840
27 3 9
28 4 920
29 5 940
30 6 10
31 7 1020
32 8 1040
33 9 11
34 10 1120
35 11 1140
36 12 1200</p>
<p>However, you really can use a three hours’ jump </p>
<p>0 12 12
3 3 1
6 6 2
9 9 3
12 12 4
15 3 5
18 6 6
21 9 7
24 12 8
27 3 9
30 6 10
33 9 11
36 12 12</p>