[Haskell-cafe] Data.Time is so weak ?!

[zaxis]

addDays 150 (fromGregorian 2009 8 31) will work. However, how can i get its
weekday from the result ?

thanks!


zaxis wrote:
> 
> today = fromGregorian 2009 8 31
> 
> then how to calculate the day passing 150 days ?
> 
> today + 150 doesnot work !
> 

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