Harvard Business School Online

CORe September 2026 Calendar


All modules and assignments are available at 1:00 p.m. United States Eastern Time (ET) (UTC 17:00). All modules and assignments are due at 1:00 p.m. ET (UTC 17:00). Please check against your local time zone to ensure you complete your coursework before the deadlines. Please note: Daylight Savings Time ends in the United States on November 1. Deadlines will stay at 1:00 p.m. ET but will convert to UTC 18:00.


Enrolled participants will retain access to the course until March 14, 2027. Note: Each week is separated by an empty row.

Module / Assignment Status Open / Due Date
(1:00 p.m. ET)
Introduction Module: Introduction to CORe Opens Wednesday, September 16, 2026
Financial Accounting Module 1: The Accounting Equation Opens Wednesday, September 16, 2026
Business Analytics Module 1: Describing and Summarizing Data Opens Wednesday, September 16, 2026
Economics for Managers Module 1: Customer Demand: Foundations Opens Wednesday, September 16, 2026
Financial Accounting Module 2: Recording Transactions Opens Wednesday, September 23, 2026
Financial Accounting Module 1: The Accounting Equation Due Friday, September 25, 2026
CORe Connections 1 Due Saturday, September 26, 2026
Financial Accounting Module 3: Financial Statements Opens Wednesday, September 30, 2026
Financial Accounting Module 2: Recording Transactions Due Friday, October 2, 2026
CORe Connections 2 Due Saturday, October 3, 2026
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Opens Wednesday, October 7, 2026
Economics for Managers Module 1: Customer Demand: Foundations Due Friday, October 9, 2026
Business Analytics Module 2: Sampling and Estimation Opens Wednesday, October 14, 2026
Business Analytics Module 1: Describing and Summarizing Data Due Friday, October 16, 2026
CORe Connections 3  Due Saturday, October 17, 2026
Financial Accounting Module 4: Adjusting Journal Entries Opens Wednesday, October 21, 2026
Financial Accounting Module 3: Financial Statements Due Friday, October 23, 2026
Economics for Managers Module 3: Suppliers and Cost Opens Wednesday, October 28, 2026
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Due Friday, October 30, 2026
CORe Connections 4 Due Saturday, October 31, 2026
Business Analytics Module 3: Hypothesis Testing Opens Wednesday, November 4, 2026
Business Analytics Module 2: Sampling and Estimation Due Friday, November 6, 2026
CORe Connections 5 Due Saturday, November 7, 2026
Financial Accounting Module 5: The Statement of Cash Flows Opens Wednesday, November 11, 2026
Financial Accounting Module 4: Adjusting Journal Entries Due Friday, November 13, 2026
CORe Connections 6 Due Saturday, November 14, 2026
Economics for Managers Module 4: Markets Opens Wednesday, November 18, 2026
Economics for Managers Module 3: Suppliers and Cost Due Friday, November 20, 2026
CORe Connections 7 Due Saturday, November 21, 2026
Business Analytics Module 4: Single Variable Linear Regression Opens Wednesday, November 25, 2026
Business Analytics Module 3: Hypothesis Testing Due Friday, November 27, 2026
Financial Accounting Module 6: Analyzing Financial Statements Opens Wednesday, December 2, 2026
Financial Accounting Module 5: The Statement of Cash Flows Due Friday, December 4, 2026
CORe Connections 8 Due Saturday, December 5, 2026
Economics for Managers Module 5: Competition and Differentiation Opens Wednesday, December 9, 2026
Economics for Managers Module 4: Markets Due Friday, December 11, 2026
Business Analytics Module 5: Multiple Regression Opens Wednesday, December 16, 2026
Business Analytics Module 4: Single Variable Linear Regression  Due Friday, December 18, 2026
CORe Connections 9  Due Saturday, December 19, 2026
Financial Accounting Module 7: Accounting for The Future Opens Wednesday, December 23, 2026
Financial Accounting Module 6: Analyzing Financial Statements Due Friday, December 25, 2026
Economics for Managers Module 5: Competition and Differentiation Due Friday, January 1, 2027
CORe Connections 10 Due Saturday, January 2, 2027
Business Analytics Module 5: Multiple Regression Due Friday, January 8, 2027
Financial Accounting Module 7: Accounting for The Future Due Friday, January 15, 2027
Study Period: No new modules open or due January 16, 2027 - January 29, 2027
FINAL EXAM PERIOD:  No new modules open or due January 31, 2027 - February 4, 2027

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