How to apply multiple Resource Calendars to the Same Resource in MS PROJECT 2013?



my Blog reader has a problem:

My problem is that some of resources have 2 work schedules. When they work on-shore (5 days week 8 hours day) and off-shore (7 days week and 11 hours day), For each work day off-shore they wave a rest day.
But because off-shore conditions are very unpredictable and dates change often I wondered if there were another way.”

I’ll show you how to do it in MS PROJECT PRO 2013! And I’m going to disappoint you! You can NOT do it! There is no way to assign different Calendar to same Resource in different Task!

Let me show you why! I’ll use built in Calendars: Standard Calendar, and 24 Hours Calendar.

But first I’ll create brand new Project with two Tasks:


I’ll now create John as Resource with Standard Calendar as default:


Finally, I will assign John to all Tasks:


I’m going to see Resource Usage View:


If I want John to work 24 Hours for Task 2, the only place where I can Change Calendar is at Resource Sheet:


But when I look at the Resource Usage View I’ll see:


As you can see there is a change in both Tasks!

What can you do? Well, you should create two Resources, for example, John – Standard, and John – 24 Hours, with two separate default Calendars, and then assign this “different” resources to different Tasks. I know, I know, you will now ask: “If John represent two Resources instead of one, what Can we do with over allocation if those two resources work at the same time?”

Sorry, but the answer is – nothing!!! It ia how MS Project 2013 works!



About Nenad Trajkovski

Location: Zagreb, Croatia Occupation: Project Manager Interests: Project Management and MS PROJECT He was born in Zagreb, Croatia at 1963. After completing his college he started working on projects in different business areas (banking, manufacturing, automotive industry, distribution, oil companies, etc.) developing and implementing ERP systems into different companies. He has got a lot of experience working with people in different business processes and also possesses great knowledge in information technologies and financial services. Today he works as a business consultant, adn Project Manager in PERPETUUM MOBILE d.o.o. Zagreb. He is a regular lecturer for Project Management in MS Innovation Center in Varaždin, Logosoft Sarajevo in Bosnia and Herzegovina and SEAVUS GROUP in Skopje Macedonia. He was named the best lecturer of WINDAYS 2008 while his lecture was also voted as the best. In addition, he was in TOP 10 lecturers at the MS SINERGY 2009 and MS VISIA 2009, 2010. Shares first place as the best lecturer of KulenDays 2009 and 2010 and PMI Conference 2009 in Zagreb. He is also a regular lecturer in the MS Community. He is a Certified Accountant and a PMP (Project Manager Professional) and a PMI-RMP (Risk Manager Professional), MCP, MCT, and Microsoft Certified Technical Specialist - Microsoft Project 2010. From 01.01.2012 awarded with MVP (Microsoft Most Valuable Proffesional - Microsoft Project)!
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7 Responses to How to apply multiple Resource Calendars to the Same Resource in MS PROJECT 2013?

  1. Taqiyyah Ellis says:

    Okay I have a question not certain if it belongs in this thread. I’m managing a project for resources in multiple locations using MS Project 2007: US and 3 countries in Europe. I have multiple resource calendars to reflect the different countries. One (1) of my German resources started a task on Nov 28 which is a holiday for the US. When I attempt to change it to Nov 28th MS Project states that Nov. 28th is a non-working day; this is correct for US resources. However since Nov 28th is a working day for the German resource why is MS Project giving me this error. I understand that the standard calendar is used for the Project tasks, how can I use the resource calendar assigned to the task versus the standard calendar. Hope this question is clear thank you in advance.

  2. José Magalhães says:

    Thank you very much for your post. I’ve already used two resources for the same person (John- On-shore and John- Off Shore). Because over allocation I wondered if there where another way. Normally i use the Resources Group (of course I loose the group resource function but you have to choose!!!) and put the name John. This is the way that allows me to filter and mange better the resources.
    Once again thx a lot.

  3. Gregor says:

    Well, yes, you showed that it is not possible to give one resource two calendars…
    But what about other options to help the reader? One might define “off-shore times” as exceptions to the resource calendar or make an “off-shore task” ignore the resource calendar.
    Exceptions, here: non-working time, in the resource calendar, might also help with the overallocation problem of the last paragraph…

    • Nenad Trajkovski says:

      You are right. I wrote about that in my Previous posts. In this situation the question was Exactly: “Is it possible for the Resource to have more than one Calenedar assigned!” Thanks for your comment!

  4. Sanja says:

    “As you can see there is a change in both Tasks!”
    Actually…there is no change in Task 1 (8 hours, planned for 24th September before (and after) Resource Calendar changed :)). However, there is a change in Task 2 – it is moved to the same day as Task 1 and the whole Project last 1 day instead of 3 days. Just to show you that we read every word you write :).

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