Notably, Muslim countries often have a the Friday off, so sometimes the week-end is Friday/Saturday, in other countries it is Thursday/Friday. https://en.wikip

Notably, Muslim countries often have a the Friday off, so sometimes the week-end is Friday/Saturday, in other countries it is Thursday/Friday. https://en.wikipedia.org/wiki/Workweek_and_weekend#Muslim_countries https://en.wikipedia.org/wiki/Workweek_and_weekend#Muslim_co... Another example from the same Wikipedia page : > Brunei Darussalam has a non-contiguous working week, consisting of Monday to Thursday plus Saturday. The days of rest are Friday and Sunday.