Harvard Business School Online
Negotiation Mastery December 2025 Calendar
Modules become available at 1:00 p.m. Eastern Time (UTC 18:00) on the dates listed below. We suggest that you are ready to begin working through each module when it opens so that you can stay on track.

Simulation Initiation Deadlines: You must introduce yourself to your counterpart in each Negotiation Simulation exercise by 1:00 p.m. Eastern Time (UTC 18:00). Please check against your local time zone to ensure you complete your coursework before the deadline. 

Enrolled participants will retain access to the course until April 19, 2026. Note: Each week is separated by an empty row.

 
Module / Assignment Status Open / Due Date
(1:00 p.m. ET)
Module 1: Introduction to Negotiation Analysis  Opens Wednesday, December 10, 2025
Module 1 Simulation Initiation Deadline  Due Wednesday, December 17, 2025
Module 2: Advanced Negotiation Analysis  Opens Wednesday, January 7, 2026
Module 2 Simulation Initiation Deadline  Due Wednesday, January 14, 2026
Module 3: Managing the Negotiation Process  Opens Wednesday, January 21, 2026
Module 3 Simulation Initiation Deadline  Due Wednesday, January 28, 2026
Module 4: Negotiation Mastery Opens Wednesday, February 4, 2026
Module 4 Simulation Initiation Deadline Due Wednesday, February 11, 2026
Module 4: Negotiation Mastery Due Wednesday, February 18, 2026

To add this calendar to your personal Google, Outlook, or Apple Calendar, use this downloadable calendar link.

• 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 link.
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