Deadline ShieldContract notice deadline
Subtract an advance-notice period from a contract end date.
Free business tools
Calculate the dates before they become surprises.
These calculators help with ordinary date math. Always verify the governing contract, policy, law, holiday calendar, and delivery rules before acting.
Auto-renewal window calculator
See the last estimated notice date and renewal date together.
Business-day calculator
Add or subtract weekdays while optionally excluding U.S. federal holidays.
Renewal window checker
Check whether today falls before, inside, or after an estimated notice window.
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Date math is useful, but the hard part is usually finding the clause in the first place and remembering to act. Run a free Deadline Audit on one real document.