Make spread sheet to show marked dates

Hi I have a spread sheet which was working fine but now stopped or something is changed.

What i want is

I have Make project which will have timescale
sub task which will have its own timeline
tasks under subtasks which will have time/date to finish.

What i want is when i put the time the boxes in calender side should fill up with colors to represent tasks category.

I have attached the spreadsheet which will explain more details.
Thank you for your help.

Please can some one fix it or make it work thank you
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Martin LissOlder than dirtCommented:
What do you mean when you say "I have Make project"?

Should there be any VBA/macro code in the workbook?
ammartahir1978Author Commented:
It was created before me.

All it does was when i put dates against the task activity it till put a X in the relative date box in calendar section and color the box which relevant color.
Martin LissOlder than dirtCommented:
OK I entered two dates for a Task and the correct cells in the calendar changed to blue. What isn't working?
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ammartahir1978Author Commented:
the color of the box and when i tried it here it didnt work
Martin LissOlder than dirtCommented:
Which "box" do you mean? Can you give me a cell address?
ammartahir1978Author Commented:

1. When i put the date in Workstream which Startdate and Enddate the calendar should start from that month and date so for example if i put 06/08/2015 then calendar first column should be 06 AUG and then go to what every it can accomodate to it right till december 2015 maybe.
Cell I11 and J11 if you put date in there nothing will happen.

2. When i put activity this should color the corresponding date to blue color
3. when i put date for Task it should correspond to green color.
Martin LissOlder than dirtCommented:
Cell I11 and J11 if you put date in there nothing will happen.
Do you want something to happen? If you want a color to appear for that row in the calendar, what color should it be?

Does the attached workbook do what you want?

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ammartahir1978Author Commented:
I want the top to be Black color which shows that it is a work stream

how can i change it if you don't mind telling me as well so i can do it next time.
ammartahir1978Author Commented:
Martin LissOlder than dirtCommented:
You're welcome and I'm glad I was able to help.

In my profile you'll find links to some articles I've written that may interest you.
Marty - MVP 2009 to 2015, Experts-Exchange Top Expert Visual Basic Classic 2012 to 2014
Martin LissOlder than dirtCommented:
To add the black color:
1.    Select any cell in the calendar
2.    Go to Home->Conditional Formatting->Manage Rules
3.    Select one of the existing two rules
4.    Select 'Edit Rule'
5.    Copy the formula
6.    Click 'Cancel'
7.    Click 'New Rule'
8.    Select 'Use a formula...'
9.    Paste the copied formula into the 'Format values where...' box.
10.    I used the "$C11" portion of the formula to determine if we are looking at an activity or a task. To determine if it's a Workstream I think you'll need to look at column B rather than C, so use =AND($I11<=J$10,$J11>=I$10,$B11<>"")
11.    Click the 'Format...' button
12.    Select the 'Fill' tab and choose the black color
13.    Click 'OK"
14.    Click 'OK'
15.    Copy one of the other 'Applies To' formulas to the new rule so that it says "=$I$11:$IT$98"
16.    Click 'OK'

Note: Since the Workflow date range (at least on my version of the workbook) is August you'll need to scroll to that part of the calendar to see the results.
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