WTD 2003 art 7, referring to "four weeks" and arts 5 and 6 referring to the concept of "weekly" as meaning a "seven-day period". The choice to phrase time off as "weeks" was interpreted by the UK Supreme Court to mean employees have the right to take weeks off at a time, rather than separate days in the UK context: Russell v Transocean International Resources Ltd [2011] UKSC 57, [19]
WTD 2003art 7. In the UK, the implementing Working Time Regulations 1998 state "5.6 weeks" is needed, although this is also 28 days, as a "week" was originally taken to refer to a 5-day working week.
