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58 TOOLS / 194 GUIDES
NEW ×194 State Health Insurance Mandates 2026
Free calculator · runs in your browser · nothing is stored

Notice & Last-Day Date Calculator

Enter the notice start date and the days required. It gives the last day, the mid-point, and flags WARN windows for larger employers.

Your inputs

MM/DD/YYYY (US format)

Result

Last day

—

Mid-point check-in date

—

Follow-up date (+3 days)

—

WARN note

—

Numbers are estimates from the inputs you typed, not financial, tax, or legal advice. Rules vary by state and by your written plan, and the paired guide carries the sourced detail.

Worked example on the page defaults

Starting from the values this page loads (Notice days = 14, Count business days only? = no, Employer site staff 100+? = no), the calculator reports: Last day, Mid-point check-in date, Follow-up date (+3 days), WARN note. Change one field and every line updates on your device; nothing is sent to the server, and the result feeds the paired generator with the fields already typed.

Mini-WARN Notice Rules: The notice date sets your last day, the benefits window, and any claim for per-day damages.

Read the window for your state and confirm the current text with the agency named on the page: California Mini-WARN, Colorado Mini-WARN, Illinois Mini-WARN, all 50 state pages.

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