1. What is the OPT End Date Calculation?

The OPT (Optional Practical Training) end date calculation determines the last day of a 12-month OPT period based on the start date. The calculation adds 365 days to the start date and subtracts 1 day to get the inclusive end date.

2. How Does the Calculator Work?

The calculator uses the following formula:

Explanation: This calculation accounts for the full 12-month period while correctly determining the inclusive end date.

3. Importance of Accurate OPT Date Calculation

Details: Precise calculation of the OPT end date is crucial for maintaining legal status, planning employment transitions, and preparing for potential STEM extensions or change of status applications.

4. Using the Calculator

Tips: Enter the official OPT start date as recorded on your EAD card. The calculator will automatically compute the correct end date 364 days later.

5. Frequently Asked Questions (FAQ)

Q1: Why subtract 1 day from 365 days?
A: This adjustment ensures the end date is exactly 12 months after the start date, inclusive of both dates in the period.

Q2: Does this account for leap years?
A: Yes, the calculation automatically accounts for leap years when performing date arithmetic.

Q3: Is this calculation different for STEM OPT extensions?
A: Yes, STEM OPT extensions have different rules and duration. This calculator is only for standard 12-month OPT periods.

Q4: What if my OPT starts on February 29th?
A: The calculator will correctly handle leap day start dates, ending on February 28th of the following year.

Q5: How precise is this calculation for immigration purposes?
A: This calculation follows USCIS guidelines for determining OPT periods, but always verify with your DSO or immigration attorney.