"clinic day" refers to a specific day when doctors or healthcare professionals provide medical services, consultations, and treatments to patients in a clinic or medical facility. Full definition
On clinic days, I'm usually up to see my first client at 7 am and my last client as late as 8 pm. (womenshealthandfitness.com.au)
The above happened to me while picking my dog up at the veterinary clinic they day after eye surgery. (fidoseofreality.com)
Over the past couple of clinic days, I have had quite a few parents ask me when they should take their bumper pads off their baby's crib. (confessionsofadrmom.com)