Harvard Business School Online

CORe February 2026 Calendar


All modules and assignments are available at 1:00 p.m. United States Eastern Time (ET) (UTC 18:00). All modules and assignments are due at 1:00 p.m. ET (UTC 18:00). 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 March 8. Deadlines will stay at 1:00 p.m. ET but will convert to UTC 17:00.


Enrolled participants will retain access to the course until August 17, 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 Tuesday, February 17, 2026
Financial Accounting Module 1: The Accounting Equation Opens Tuesday, February 17, 2026
Business Analytics Module 1: Describing and Summarizing Data Opens Tuesday, February 17, 2026
Economics for Managers Module 1: Customer Demand: Foundations Opens Tuesday, February 17, 2026
Financial Accounting Module 2: Recording Transactions Opens Tuesday, February 24, 2026
Financial Accounting Module 1: The Accounting Equation Due Thursday, February 26, 2026
CORe Connections 1 Due Friday, February 27, 2026
Financial Accounting Module 3: Financial Statements Opens Tuesday, March 3, 2026
Financial Accounting Module 2: Recording Transactions Due Thursday, March 5, 2026
CORe Connections 2 Due Friday, March 6, 2026
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Opens Tuesday, March 10, 2026
Economics for Managers Module 1: Customer Demand: Foundations Due Thursday, March 12, 2026
Business Analytics Module 2: Sampling and Estimation Opens Tuesday, March 17, 2026
Business Analytics Module 1: Describing and Summarizing Data Due Thursday, March 19, 2026
CORe Connections 3  Due Friday, March 20, 2026
Financial Accounting Module 4: Adjusting Journal Entries Opens Tuesday, March 24, 2026
Financial Accounting Module 3: Financial Statements Due Thursday, March 26, 2026
Economics for Managers Module 3: Suppliers and Cost Opens Tuesday, March 31, 2026
Economics for Managers Module 2: Strategies for Assessing and Increasing Demand Due Thursday, April 2, 2026
CORe Connections 4 Due Friday, April 3, 2026
Business Analytics Module 3: Hypothesis Testing Opens Tuesday, April 7, 2026
Business Analytics Module 2: Sampling and Estimation Due Thursday, April 9, 2026
CORe Connections 5 Due Friday, April 10, 2026
Financial Accounting Module 5: Advanced Topics in Accounting Opens Tuesday, April 14, 2026
Financial Accounting Module 4: Adjusting Journal Entries Due Thursday, April 16, 2026
CORe Connections 6 Due Friday, April 17, 2026
Economics for Managers Module 4: Markets Opens Tuesday, April 21, 2026
Economics for Managers Module 3: Suppliers and Cost Due Thursday, April 23, 2026
CORe Connections 7 Due Friday, April 24, 2026
Business Analytics Module 4: Single Variable Linear Regression Opens Tuesday, April 28, 2026
Business Analytics Module 3: Hypothesis Testing Due Thursday, April 30, 2026
Financial Accounting Module 6: The Statement of Cash Flows Opens Tuesday, May 5, 2026
Financial Accounting Module 5: Advanced Topics in Accounting Due Thursday, May 7, 2026
CORe Connections 8 Due Friday, May 8, 2026
Economics for Managers Module 5: Competition and Differentiation Opens Tuesday, May 12, 2026
Economics for Managers Module 4: Markets Due Thursday, May 14, 2026
Business Analytics Module 5: Multiple Regression Opens Tuesday, May 19, 2026
Business Analytics Module 4: Single Variable Linear Regression  Due Thursday, May 21, 2026
CORe Connections 9  Due Friday, May 22, 2026
Financial Accounting Module 7: Analyzing Financial Statements Opens Tuesday, May 26, 2026
Financial Accounting Module 6: The Statement of Cash Flows Due Thursday, May 28, 2026
Economics for Managers Module 5: Competition and Differentiation Due Thursday, June 4, 2026
CORe Connections 10 Due Friday, June 5, 2026
Business Analytics Module 5: Multiple Regression Due Thursday, June 11, 2026
Financial Accounting Module 7: Analyzing Financial Statements Due Thursday, June 18, 2026
Study Period: No new modules open or due June 21, 2026 - July 4, 2026
FINAL EXAM PERIOD:  No new modules open or due July 6, 2026 - July 10, 2026

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