Fill in your application up to 7 days prior to your arrival It is a bit ambiguous but, given that the system would not allow you to complete the form 12 days before your planned arrival, the 7 day period is obviously a maximum rather than a minimum The system will allow you to complete the form so long as the lead time is seven days or less You can complete it six days in advance but not 8 days in advance The reason for "fill in" rather than "fill
Vacation days or days off - English Language Usage Stack Exchange In most organizations, vacation days are usable at the employee's discretion, up to a certain yearly limit Days off is a more informal phrase that includes a variety of kinds of paid-not-to-work days, including sick leave, maternal paternal leave, floating holidays, national holidays, etc Vacation days are a subset of days off
Logical meaning of within 30 days compared to in 30 or fewer days . . . I would read the first as referring to a deadline, the second referring to a total accumulation of days spent For example, "This project must be finished within 30 days" is different than "This project must be finished in 30 days or fewer " - The first establishes a "date" the second just establishes a duration or level of effort
meaning - Past few days or the past few days? - English Language . . . So when we say 'the past few days' we mean the complete set of 'past few days', not just some of them, and which means this time phrase matches the tense Do we use the phrase 'past few days' on its own? Highly unlikely, it lacks a sense of which days
time - English Language Usage Stack Exchange The potential ambiguity is because in "within 10 days before the flight", the following noun phrase "10 days before the flight" has a form that would generally cause it to be interpreted as a point in time rather than a range
word choice - What are the abbreviations for days of the week . . . It will be used in a tabular data program to show information about free work days of employed and each column can't have enought space to include full week day name For "common form" I mean, what are the abbreviations that is more used in programs