[Lazarus] DateDif function needed

[John Landmesser]

On 12.11.2013 21:40, John Landmesser wrote:
>
> Which is correct?
>
> Date1 := 29.2.2000
> Date2 := 28.02.2001
>
> Your function:
> 0 Y, 11 M, 27 D
>
> Rxlib ( Jedi ) DateDiff:
> 0 Y, 11 M, 28 D
>
> Libre Office Calc:
> 0 Y, 11 M, 30 D
>
> The table - function of Libre Office Calc is called in german DATUMDIF()
>
> Get a calendar and count??
>
>
>
>
>
> -- 
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*Jahr 2000* 	
	
Januar 	Tage 	
Februar 	29 	
März 	31 	1. Monat
April 	30 	2. Monat
Mai 	31 	3. Monat
Juni 	30 	4. Monat
Juli 	31 	5. Monat
August 	31 	6. Monat
September 	30 	7. Monat
Oktober 	31 	8. Monat
November 	30 	9. Monat
Dezember 	31 	10. Monat

	
	
*Jahr 2001* 	
	
Januar 	31 	11. Monat
Februar 	28 	


RxLib is correct !!!
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