60-Minute Hour Structure
4 segments · 3 delineations each · 25 / 50 / 25 split
0:00
0:15
0:30
0:45
1:00
25%
50%
25%
25%
50%
25%
25%
50%
25%
25%
50%
25%
01
00:00 – 15:00
First Quarter
25%
00:00 – 03:45
50%
03:45 – 11:15
25%
11:15 – 15:00
02
15:00 – 30:00
Second Quarter
25%
15:00 – 18:45
50%
18:45 – 26:15
25%
26:15 – 30:00
03
30:00 – 45:00
Third Quarter
25%
30:00 – 33:45
50%
33:45 – 41:15
25%
41:15 – 45:00
04
45:00 – 60:00
Fourth Quarter
25%
45:00 – 48:45
50%
48:45 – 56:15
25%
56:15 – 60:00
25% opening — 3 min 45 sec
50% core — 7 min 30 sec
25% close — 3 min 45 sec