Resource Calendar

A schedule that lists, for each resource, the specific dates and time blocks (shifts) when that resource is available for assignment.

Key Points

  • Captures availability for specific people, equipment, or facilities by day and shift.
  • Enables realistic task scheduling, resource allocation, and resource leveling.
  • Shows exceptions such as holidays, leave, training, maintenance, or overtime limits.
  • Differs from the project calendar, which sets general work times for the whole project.

Example

On a construction project, the tower crane is available Monday to Wednesday from 7:00 AM to 3:00 PM, and the certified operator is off next Friday. The project manager reviews the resource calendar and schedules all lift activities within the crane and operator overlap to avoid delays.

PMP Example Question

You need to confirm whether the network engineer can support a Saturday evening cutover window. Which document should you consult first?

  1. Resource Breakdown Structure
  2. Resource Calendar
  3. Project Calendar
  4. Responsibility Assignment Matrix (RACI)

Correct Answer: B — Resource calendar

Explanation: The resource calendar shows the specific days and shifts when each resource is available, including weekend or off-hours windows.

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