Legal contracts normally state "days" or "business days", and often then later specifically define these terms, e.g. "Business Day means a day on which trading

Legal contracts normally state "days" or "business days", and often then later specifically define these terms, e.g. "Business Day means a day on which trading banks are open for business in London, United Kingdom excluding a Saturday, Sunday or public holiday." This therefore leaves no room for doubt. A skipped day would not count as a day or business day.