[Gambas-user] problem with the CDate function

Gianluigi bagonergi at gmail.com
Mon May 7 09:08:11 CEST 2018


It works correctly to me:
Date() Is < Or = str_date
07/05/2018 00:00:00
07/05/2018 00:00:00
It could be a version problem.
Read here[0]

Regards
Gianluigi
[0] https://lists.gambas-basic.org/pipermail/user/2018-April/063637.html

2018-05-07 2:28 GMT+02:00 PICCORO McKAY Lenz <mckaygerhard at gmail.com>:

> please somebocy that can added a example code to wiki,
>
> this due in future this kind of problem will be happned again and this
> important info will be forgoten!
>
> Lenz McKAY Gerardo (PICCORO)
> http://qgqlochekone.blogspot.com
>
> 2018-05-06 18:47 GMT-04:00 Mayost Sharon <sharon at 455.co.il>:
>
>>
>>
>> ---------- Original Message -----------
>> From: Benoît Minisini <g4mba5 at gmail.com>
>> To: Gambas Mailing List <user at lists.gambas-basic.org>
>> Sent: Wed, 2 May 2018 15:46:44 +0200
>> Subject: Re: [Gambas-user] problem with the CDate function
>>
>> > Le 02/05/2018 à 15:38, Gianluigi a écrit :
>> > >
>> > >
>> > > 2018-05-02 15:18 GMT+02:00 Mayost Sharon <sharon at 455.co.il
>> > > <mailto:sharon at 455.co.il>>:
>> > >
>> > >     Hello
>> > >
>> > >     Operating system: Fedora 27 64 BIT
>> > >     Gambas 3.10.0
>> > >
>> > >     I have a problem with the CDate function when I run the example
>> that
>> > >     appears in this
>> > >     documentation:
>> > >
>> > >     It takes me back one day
>> > >
>> > >     I run:
>> > >
>> > >
>> > >     Print CDate ("09/06/1972 01:45:12")
>> > >
>> > >     And it returns to me:
>> > >
>> > >     09/05/1972 22:45:12
>> > >
>> > >
>> > > You must use Date and not CDate which locates the UTC date [0].
>> > >
>> > > Regards
>> > > Gianluigi
>> > > [0] https://en.wikipedia.org/wiki/Coordinated_Universal_Time
>> > >
>> >
>> > No, it's not the problem.
>> >
>> > It's just that people must understand that CDate() interprets its
>> > argument as an UTC date, and that Str() (hence Print) converts a date
>> > into a local representation.
>> >
>> > So if you use CDate(), you must use CStr() to go back to the original
>> > string. Otherwise, use Val() and Str().
>> >
>> > See the documentation about these functions. I think some non-american
>> > examples should be added to make things clearer.
>> >
>> > Regards,
>> >
>> > --
>> > Benoît Minisini
>> >
>> > --------------------------------------------------
>> >
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>> > https://lists.gambas-basic.org/listinfo/user
>> >
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>> ------- End of Original Message -------
>>
>>
>> Sorry
>> I do not understand
>>
>> If I run this code:
>>
>> Public Sub Main()
>>
>>  Dim str_date As String
>>
>>  str_date = "05/07/2018 00:00:00"
>>
>>
>>  If Date() > Date(str_date) Then
>>    Print "Date() Is > str_data"
>>   Else
>>    Print "Date() Is < Or = str_date"
>>   Endif
>>
>>  Print Date()
>>  Print Date(str_date)
>>
>> End
>>
>> I get this output:
>> Date() Is > str_data
>> 05/07/2018 00:00:00
>> 05/06/2018 00:00:00
>>
>>
>> it seems strange that the current date today is:
>> Month: 05
>> Day: 07
>> Year: 2018
>>
>> Then the value of str_date should equal the value of Date ()
>>
>> What should I fix in the code to make it good
>>
>> Thank you
>>
>>
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>>
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>
>
>
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