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Question by mhhk88 · Sep 13, 2013 at 02:45 AM · javascriptdate

how to get the date of 7 days after a certain day in javascript

I am trying to find a solution about the subject. I am new to unity and english, so I think i should be more specific.

For example, I want to know the date of 7 days after yesterday. It could be any day, monday, tuesday... Let's say the base day is Aug. 29th. Then I need to get Sep. 5th.

Is there a solution in Javascript ?

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avatar image blackcoper · Sep 13, 2013 at 07:19 AM 0
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try using epochconverter

avatar image mhhk88 · Sep 13, 2013 at 08:15 AM 0
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Thank u for your quick answer. i will go check ~~~~

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Answer by robhuhn · Sep 13, 2013 at 07:41 AM

You could just use DateTime:

 var date : Date = System.DateTime().Now; 
              //or System.DateTime(2013, 8, 29)
 var future : Date = date.AddDays(6); // -1 + 7 = 6 days
 Debug.Log( future );
 Debug.Log( future.ToString("dddd") ); //extract the weekday name


@edit

You can use the C# lib in this case because it's implemented in UnityScript (actually it's not JavaScript).

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avatar image mhhk88 · Sep 13, 2013 at 08:17 AM 0
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It's like a ray of light. Thank u so much~~~

avatar image syclamoth · Sep 13, 2013 at 08:23 AM 0
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Yeah, the javascript datetime class is notoriously awful. Use the .net one.

avatar image mhhk88 · Sep 13, 2013 at 09:13 AM 0
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One more problem... The date format I get is string ("2013-09-27"). How can I convert the string to date format? System.DateTime("2013, 9, 27") is not working.....

avatar image robhuhn · Sep 13, 2013 at 09:20 AM 0
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You should use the power of google in addition, that's no big deal (http://lmgtfy.com/)

 var date : Date = System.Convert.ToDateTime("2013-09-27");

avatar image mhhk88 · Sep 13, 2013 at 09:33 AM 0
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I always do that, but it's not easy for me to find solutions.... Shame on me~~ Thanks a lot, anyway^^

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