Hurst cycle lengths

Cycle Lengths as defined by JM Hurst
17.93 years  (Kuznets cycle)
8.96 years  (Jugular cycle)
53.77 months (4.5 years)
17.93 months (1.5 years)
38.97 weeks (9 months)
19.48 weeks (Wall cycle)              
68.2 days (about 10 weeks)
34.1 days (1/4 Wall cycle)
17 days
8.5 days
4.3 days
2.2 days
26.67 hours
5.3 hours
160 minutes
53.3 minutes

David Knox Barker refers to 19.48 weeks as the Wall cycle  (141 calendar days or 20 weeks), so you can see overlap as one would expect and some differences (like the kitchin cycle at 42 months).