datetime - Javascript, Time and Date: Getting the next day, week, month, year, etc - Stack Overflow

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Based on a given millisecond timestamp, what's the 'correct' way to get the next day, week, month, year, etc.? That is, without having to do some kind of binary search with raw millisecond timestamp values or something silly like that.

Edit: Does using the Date constructor with a month, day, hour, etc. value beyond the limit translate it to the next year, month, day, etc.?

Based on a given millisecond timestamp, what's the 'correct' way to get the next day, week, month, year, etc.? That is, without having to do some kind of binary search with raw millisecond timestamp values or something silly like that.

Edit: Does using the Date constructor with a month, day, hour, etc. value beyond the limit translate it to the next year, month, day, etc.?

• javascript
• datetime

Share Improve this question Follow edited Dec 9, 2010 at 23:19 Hamster asked Dec 9, 2010 at 22:38 HamsterHamster 3,16277 gold badges3030 silver badges3838 bronze badges

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2 Answers 2

Sorted by: Reset to default 4

function getNextDate()
  { 
   var today = new Date();
   var d = today.getDate();
   var m = today.getMonth();
   var y = today.getYear();

   var NextDate= new Date(y, m, d+1);
   var Ndate=NextDate.getMonth()+1+"/"+NextDate.getDate()+"/"+NextDate.getYear();
   alert(Ndate);
   }

If the millisecond timestamp that you have is (conveniently!) the number of milliseconds since 1970/01/01 then you can simply create a new Date object from the millisecond value new Date(milliseconds) and use it as outlined in Misnomer's answer.

If your timestamp is based from onther point in time then you can simply workout the offset (in milliseconds) from 1970/01/01 and subtract that from the timestamp before creating the Date object.

As always when dealing with dates, be clear if you are dealing in local or UTC times.

w3schools date object

w3schools full date reference

Based on a given millisecond timestamp, what's the 'correct' way to get the next day, week, month, year, etc.? That is, without having to do some kind of binary search with raw millisecond timestamp values or something silly like that.

Edit: Does using the Date constructor with a month, day, hour, etc. value beyond the limit translate it to the next year, month, day, etc.?

Based on a given millisecond timestamp, what's the 'correct' way to get the next day, week, month, year, etc.? That is, without having to do some kind of binary search with raw millisecond timestamp values or something silly like that.

Edit: Does using the Date constructor with a month, day, hour, etc. value beyond the limit translate it to the next year, month, day, etc.?

• javascript
• datetime

Share Improve this question Follow edited Dec 9, 2010 at 23:19 Hamster asked Dec 9, 2010 at 22:38 HamsterHamster 3,16277 gold badges3030 silver badges3838 bronze badges

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 4

function getNextDate()
  { 
   var today = new Date();
   var d = today.getDate();
   var m = today.getMonth();
   var y = today.getYear();

   var NextDate= new Date(y, m, d+1);
   var Ndate=NextDate.getMonth()+1+"/"+NextDate.getDate()+"/"+NextDate.getYear();
   alert(Ndate);
   }

If the millisecond timestamp that you have is (conveniently!) the number of milliseconds since 1970/01/01 then you can simply create a new Date object from the millisecond value new Date(milliseconds) and use it as outlined in Misnomer's answer.

If your timestamp is based from onther point in time then you can simply workout the offset (in milliseconds) from 1970/01/01 and subtract that from the timestamp before creating the Date object.

As always when dealing with dates, be clear if you are dealing in local or UTC times.

w3schools date object

w3schools full date reference

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