Comparing Calendars in Oracle Primavera P6

by | Dec 21, 2022 | Oracle Primavera P6 PPM

I was asked by a student what is the simplest way to compare calendars in Oracle Primavera P6 and this post outlines a simple method that may be used to compare different calendars using P6.

The process to compare existing calendars in P6 is:

  • The user should create an activity for each calendar,
  • Then assign the calendar to each activity,
  • Switch on Necking for calendar nonwork time in the Bars from for the Critical and Non-Critical activities and
  • Increases the timescale to so all splits in the nonwork time are visible.
  • Display the grid lines as required:

Comparing Calendars in Oracle Primavera P6

Should you wish to see more explanation like this then please consider purchasing this book by Paul Harris which is available in three formats, paperback, spiral and eBook.Planning and Control Using Oracle Primavera P6 Versions 8 to 21 PPM Professional







The book is intended to be used:

  • As a self-teach book and user guide, or
  • A training manual for a three-day training course.
  • PowerPoint slide shows are available for training companies to purchase and pdf versions are available to educational organisations.

Accelerate your understanding of scheduling software to advance your scheduling career and be able to prepare better schedules with Eastwood Harris books, online videos available through Udemy (and search on Paul E Harris) and training material on:

Details at

Paul E Harris

Director Eastwood Harris Pty Ltd