Harvard Business School Online

CORe September 2025 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 begins in the United States on November 2. 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 January 25, 2026. 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 3, 2025
Financial Accounting Module 1: The Accounting Equation Opens Wednesday, September 3, 2025
Business Analytics Module 1: Describing and Summarizing Data Opens Wednesday, September 3, 2025
Economics for Managers Module 1: Customer Demand: Foundations Opens Wednesday, September 3, 2025
Financial Accounting Module 2: Recording Transactions Opens Tuesday, September 9, 2025
Financial Accounting Module 1: The Accounting Equation Due Thursday, September 11, 2025
CORe Connections 1 Due Friday, September 12, 2025
Financial Accounting Module 3: Financial Statements Opens Tuesday, September 16, 2025
Business Analytics Module 2: Sampling and Estimation Opens Tuesday, September 16, 2025
Financial Accounting Module 2: Recording Transactions Due Thursday, September 18, 2025
Business Analytics Module 1: Describing and Summarizing Data Due Thursday, September 18, 2025
CORe Connections 2 Due Friday, September 19, 2025
Financial Accounting Module 4: Adjusting Journal Entries Opens Tuesday, September 23, 2025
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Opens Tuesday, September 23, 2025
Financial Accounting Module 3: Financial Statements Due Thursday, September 25, 2025
Economics for Managers Module 1: Customer Demand: Foundations Due Thursday, September 25, 2025
CORe Connections 3  Due Friday, September 26, 2025
Business Analytics Module 3: Hypothesis Testing Opens Tuesday, September 30, 2025
Business Analytics Module 2: Sampling and Estimation Due Thursday, October 2, 2025
CORe Connections 4 Due Friday, October 3, 2025
Economics for Managers Module 3: Suppliers and Cost Opens Tuesday, October 7, 2025
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Due Thursday, October 9, 2025
CORe Connections 5 Due Friday, October 10, 2025
Financial Accounting Module 5: The Statement of Cash Flows Opens Tuesday, October 14, 2025
Business Analytics Module 4: Single Variable Linear Regression Opens Tuesday, October 14, 2025
Financial Accounting Module 4: Adjusting Journal Entries Due Thursday, October 16, 2025
Business Analytics Module 3: Hypothesis Testing Due Thursday, October 16, 2025
CORe Connections 6 Due Friday, October 17, 2025
Economics for Managers Module 4: Markets Opens Tuesday, October 21, 2025
Economics for Managers Module 3: Suppliers and Cost Due Thursday, October 23, 2025
CORe Connections 7 Due Friday, October 24, 2025
Financial Accounting Module 6: Analyzing Financial Statements Opens Tuesday, October 28, 2025
Business Analytics Module 5: Multiple Regression Opens Tuesday, October 28, 2025
Financial Accounting Module 5: The Statement of Cash Flows Due Thursday, October 30, 2025
Business Analytics Module 4: Single Variable Linear Regression  Due Thursday, October 30, 2025
CORe Connections 8 Due Friday, October 31, 2025
Economics for Managers Module 5: Competition and Differentiation Opens Tuesday, November 4, 2025
Economics for Managers Module 4: Markets Due Thursday, November 6, 2025
CORe Connections 9  Due Friday, November 7, 2025
Financial Accounting Module 7: Accounting for The Future Opens Tuesday, November 11, 2025
Financial Accounting Module 6: Analyzing Financial Statements Due Thursday, November 13, 2025
Business Analytics Module 5: Multiple Regression Due Thursday, November 20, 2025
CORe Connections 10 Due Friday, November 14, 2025
Economics for Managers Module 5: Competition and Differentiation Due Thursday, November 20, 2025
Financial Accounting Module 7: Accounting for The Future Due Wednesday, November 26, 2025
Study Period: No new modules open or due November 29, 2025 - December 12, 2025
FINAL EXAM PERIOD:  No new modules open or due December 15, 2025 - December 19, 2025

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