## Table of Contents: How to Calculate Dates in the Critical Path Method

### Overview – Date Calculation Concepts

• Date Calculation Specifications
• Four Basic Calculated Dates
• Date Calculation Processes
• Date Calculation Procedures
• Date Calculation  Variables
• Date Calculation Arithmetic Formulas
• Arithmetic Formulas Identifiers
• Arithmetic Formulas Abbreviations

### How to Calculate Earliest Start

• Condition ES|dr Earliest Start through Default Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition ES|sr Earliest Start through Start Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition ES|mx Earliest Start through Restriction Type Mixture
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition ES|no Earliest Start through No Restriction Linkages
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas

### How to Calculate Earliest Finish

• Condition EF|du Earliest Finish through Activity Duration
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition EF|fr Earliest Finish through Finish Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas

### How to Calculate Latest Start

• Condition LS|du Latest Start through Activity Duration
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition LS|sr Latest Start through Start Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas

### How to Calculate Latest Finish

• Condition LF|dr Latest Finish through Default Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition LF|fr Latest Finish through Finish Restriction(s)
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition LF|mx Latest Finish through Restriction Type Mixture
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas
• Condition LF|no Latest Finish through No Restriction Linkages
• Date Calculation Process in Plain English
• Date Calculation Technical Specifications and Formulas

### Date Calculation Computational Rules

• Computational Rules for Computing Earliest Start
• Computational Rules for Computing Earliest Finish
• Computational Rules for Computing Latest Start
• Computational Rules for Computing Latest Finish

### Convenient Reference Information

• Dominant/Cognitive Terminology Conversion Table

### Summary of Date Calculation Formulas

• Arithmetic Formulas: Start-of-Day or End-of-Day Perspectives
• Arithmetic Formulas: Point-of-Day Perspective