To take it a bit further, there are also certain days of the year if you invest you will do better than others. (thedigeratilife.com)
Project coordinator Priscilla Gaff says the aim was to make the experience inclusive to young people with ASD all year round, rather than have «special» programs on certain days of the year. (teachermagazine.com.au)
In the archaic practices of Hinduism there were certain days of the year set aside for fasting by women, and others for men. (pureinsideout.com)