Harvard Business School Online

Leadership Principles September 2025 Calendar


To earn the Certificate of Completion in Leadership Principles, all modules and assignments must be completed by 1:00 p.m. Eastern Time (UTC 17:00) on Wednesday, October 29, 2025. All modules open upon completion of the previous module. To help you stay on track, we recommend completing each module according to the following schedule, spending approximately hours on each module.

Please note that the prework 360 assessment hosted by Korn Ferry has a required deadline of Tuesday, September 30, 2025. This is a set deadline, and extensions will not be granted.

Enrolled participants will retain access to the course until December 28, 2025. Note: Each week is separated by an empty row. Any weeks without modules or assignments opening or due are not listed below. 

Module / Assignment Status Date
Leadership Principles Course Begins Wednesday, September 17, 2025
Module 0 Due (Required) Tuesday, September 30, 2025
Module 1 Opens Wednesday, October 1, 2025
Module 1: Taking Charge  Due (Recommended) Wednesday, October 8, 2025
Module 2: Leading Your Team  Due (Recommended) Wednesday, October 15, 2025
Leadership Imprint Lesson  Due (Recommended) Friday, October 17, 2025
Module 3: Unleashing Potential in Yourself and Others  Due (Recommended) Wednesday, October 22, 2025
Module 4: Your Network  Due (Required at 1:00 p.m. ET) Wednesday, October 29, 2025

To add this calendar to your personal Google, Outlook, or Apple Calendar, download the subscription calendar.

• For a step-by-step guide on how to add this calendar to your personal calendar, visit the calendar download instructions.

To access the course calendar without adding it to your personal calendar, visit the Google Calendar online.

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