Whoops! Thanks - here’s the same posted to the IDEAS forum instead 
https://community.hubspot.com/t5/HubSpot-Ideas/Specify-days-of-the-week-sequences-can-send/idi-p/406234#M73854
Whoops! Thanks - here’s the same posted to the IDEAS forum instead https://community.hubspot.com/t5/HubSpot-Ideas/Specify-days-of-the-week-sequences-can-send/idi-p/406234#M73854