[racket] Library for date arithmetic?

You could use SRFI 19, but it is also somewhat low-level.


On Tue, 11 Mar 2014 16:32:18 -0300
Ismael Figueroa <ifigueroap at gmail.com> wrote:

> Working with a custom handin-server, I have a date value which
> represents a deadline, but I also want to allow late submission up to
> 3 days later than that (well, an arbitrary number of days). Hence, I
> need to check whether the current date is at most 3 days later than
> the first one.