July 2021
01:00    12:00    Common Time (1-min) (no switching)
12:00    15:00    Discretionary Time
15:00    19:00    Common Time (1-min)
19:00    22:00    Discretionary Time
22:00    26:00    Common Time (1-min)
26:00    29:00    Discretionary Time
29:00    31:24    Common Time (1-min)

# Total Common Time (1-min):  22d  0h
# Total Discretionary Time:  9d  0h
# Total Special Time:  0d  0h