Find the date N days, weeks or months away
Adding days or weeks moves the date by an exact number of 24-hour days. Adding months or years keeps the same day-of-month where possible; if that day does not exist (for example 31 February), the result rolls back to the last day of the month, which is how most legal and banking calculations treat it.
No. Adding 1 day to Monday gives Tuesday.
Automatically, using your browser's calendar.
Yes. Enter your resignation date, choose Add, and enter the notice length in days or months.