Question

Julian Date Code?

Asked by: assistant

I need the code to diplay the Julian Date (The number of that day of the year).

Eaxmple 1 - Today's Date = 9 Jan, 2001
           Today's Julian Date = 009 (indicating the 9th day of the year)
--------------------------------------------------------
Example 2 - Today's Date = 10 Sep, 2001
            Today's Julian Date = 280(indicating the 280th day of the year)
--------------------------------------------------------
There use to be a function that would do this, like Format (Date(), "ddd"), but this returns 'Sat', the day of the week, instead of a numeric value for the day of the year.

Thanks

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Asked On
2002-09-14 at 20:40:19ID20357982
Tags

date

,

code

,

function

,

julian

Topic

Microsoft Access Database

Participating Experts
2
Points
50
Comments
14

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Answers

 

by: assistantPosted on 2002-09-14 at 20:42:49ID: 7281257

Sorry, I forgot to state that I am using Access XP.

 

by: TextReportPosted on 2002-09-14 at 22:38:47ID: 7281568

Try Format(Date(), "y")

Cheers, Andrew

 

by: nico5038Posted on 2002-09-14 at 22:50:30ID: 7281602

Try:

TodaysJulianDay=date()-dateserial(year(date())-1,"12","31")

Nic;o)

 

by: nico5038Posted on 2002-09-14 at 22:57:13ID: 7281620

Ops, thought Format(Date(), "y") would just give a one year digit, but it does return the daynumber...
Never too old to learn new tricks ;-)

Nic;o)

 

by: assistantPosted on 2002-09-16 at 15:00:14ID: 7284613

I finally got it! It is format(now(),"yyy")

Thanks Anyway

 

by: nico5038Posted on 2002-09-16 at 15:05:53ID: 7284624

? your question asked for Today's Julian Date = 280
not for the Julian dateformat "yyddd"

I guess textreport pointed you the right way.

Nic;o)

 

by: assistantPosted on 2002-09-16 at 15:22:33ID: 7284668

To be honest Nic;o, textreport didn't pont me anywhere.

If you look at my code at the bottom of my question I had 'ddd' instead of 'yyy'.

What I ask for was the Julian Date of the day of the year, example 10 Sep, 2001.  I have to trim the yy, but I can do that easily.  If there is a Julian dateformat "yyddd" I would have liked to had that code. I wouldn't have spent so much time trying to figure it out.

I don't have a problem awarding textrepot the points though.  Maybe this question might help someone else.

 

by: assistantPosted on 2002-09-16 at 15:39:26ID: 7284708

Nic;o), I can't find Julian dateformat or dateformat. Format "yyddd" just returns '02Mon'


 

by: nico5038Posted on 2002-09-16 at 15:46:59ID: 7284718

When you use:
format(now(),"yy-y")
You'll see that the first two "yy" are the two digit year and the second "y" is exactly the format(now(),"y") textreport proposed.
When you just need the daynumber with leading zero's, the you could also use:
right("00"&format(now(),"y"),3) or
format(formatNOW(),"y"),"000")

But it certainly has been a valuable Q, thus worth being saved for the "future generations" !

And I would really appreciate it when you give textreport the credits ;-)

Nic;o)

 

by: nico5038Posted on 2002-09-16 at 15:52:37ID: 7284726

My description YYDDD wasn't the Access format, but the five digit format a Julian date is referred to in functional design in general.
Like yy-mm-dd and mm-dd-yyyy, etc.

Nic;o)

 

by: assistantPosted on 2002-09-16 at 15:59:29ID: 7284730

I apologize Nic;o, and also to you textreport, as I was playing with the "yy-y", my system returned EXACTLY what I want using the suggested comment by textreport.

I have no idea why it didn't work the other day, apparently something I had wrong. But it does work correctly now.

Thanks for straightening me out.

Points coming.

 

by: assistantPosted on 2002-09-16 at 16:10:05ID: 7284740

Thanks Again.

 

by: nico5038Posted on 2002-09-16 at 16:36:16ID: 7284777

No need to apologize, we're always glad to help and especially on Q's that are enlarging our knowledge, as this Q did for me !

C U

Nic;o)

 

by: assistantPosted on 2002-09-28 at 15:11:17ID: 7308117

NICO, Check out question "Points for nico5038" in the Community Support area.  Sorry, I should have posted the points here.  Later

20120131-EE-VQP-002

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