Tweaks definitely needed. Perhaps I leaned toward what would be fine for my familiar non-location/time dependent work, already very flexy. Not true for most people, of course, but things change.
UK has 252 working days in 2023. Above is 243. The 41 single “off” days could be treated specially to give people more chance to set appointments or do certain kinds of business, like a more business-y Saturday.
How’s this? 72 primes plus 50 fillers:
(1), 2, 3, 5, 7, (10), 11, 13, 17, 19, (20), 23, 29, (30), 31, 37, (40), 41, 43, 47, (50), 53, 59, (60), 61, 67, (70), 71, 73, 79, (80), 83, 89, (90), 97, (100), 101, (102), 103, 107, 109, (110), 113, (120), 127, (130), 131, 137, (138), 139, (140), 149, (150), 151, 157, (160), 163, 167, (170), 173, 179, (180), 181, (190), 191, 193, 197, 199, (200), (201), (202), (210), 211, (220), 223, 227, 229, (230), 233, 239, (240), 241, (250), 251, 257, (260), 263, 269, (270), 271, 277, (280), 281, 283, (290), 293, (300), (301), (302), (303), 307, (310), 311, 313, 317, (320), (330), 331, (332), (333), 337, (340), 347, 349, (350), (351), (352), 353, 359, (360), (361), (364), (365)
UK has 252 working days in 2023. Above is 243. The 41 single “off” days could be treated specially to give people more chance to set appointments or do certain kinds of business, like a more business-y Saturday.