[Haskell-cafe] How to work with date?

[Magicloud Magiclouds]

Hi,
  I am working on some calendar GUI thing. And I cannot find a library
to operate the "date".
  Like, when `now <- getZonedTime`, how could I get all the dates of
the week. Or when I got `today`, how to get the date of 10 days ago?

Thanks.
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