A nine-to-five job is one that you do during normal office hours, for example, a job in a factory or an office. The 5 to 9 in this context refers to life outside work. A product can be only fit into one of the 2 buckets:
It's very hard/imposible for a product to be both.
PS: Squarespace, used the 5 to 9 as a marketing term for going after hours.
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