'all day except' is correct and usable in written English.
You can use it to describe a period of time when something does not occur. For example: 'She worked in the garden all day except from 2-4pm.'.
The men do nothing all day except fight and drink, starting at breakfast.
Open all day (except Wednesdays) for breakfast, simple seafood dishes, sandwiches and cakes.
He had not had to say anything all day except admit who he was, and his expression gave no clues.
He asked the judges to consider "the chilling thought of being alone in a box" all day except for a one-hour exercise period.
It was tough: 600 girls who didn't see any guys all day except for the 7 of us who worked in the cafeteria.
Get a rent-controlled apartment so cheap you didn't have to do anything all day except write abusive letters to your landlord.
In comparison to WKY rats, the SHR group shows significantly greater activity across all pretreatment days, excepting day 5 (day 1, p <.05; days 2 – 4, p <.01; days 6 – 9, p <.01; day 10, p <.05).
AUEC 0,12 h) was evaluated as this was consistent with the dosing interval and was the longest duration that allowed direct comparison between treatment days, given that an evening dose was administered on all days except day 14.
Three of the indicators had no statistically significant variations in performance, whereas perinatal mortality had five days (all except Monday) with worse performance than the reference day (figure).
Intra-oral periods lasted fourteen days and the volunteers were instructed to use the appliances all day long, except during meals.
HOURS Open all day, every day except Mondays.
