RSVP Cutoff Planner
Work backwards from a vendor's final-count date through finalization, late replies, response time and invitation delivery.
Starts with an editable example. Replace the dates and rules with your own.
Your calculation
Ready when you are
Choose your dates.
Select your counting rules and calculate.
Calculation details
| Step | Value |
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How to use this calculator
Enter the vendor deadline, working days for finalizing and chasing replies, calendar days for responses, delivery working days and your closure dates.
A closed vendor date moves to the previous open date. Finalization, chasing and delivery use the selected working calendar; guest response time uses calendar days. Zero leads place stages on the same date.
A worked example
A December 18, 2026 final count, two finalization days, three chasing days, fourteen response days and three delivery days gives an RSVP cutoff of December 11 and send date of November 24, without closures.
Is there a standard RSVP lead built into the tool?
No. The starting example is editable. Use your vendor requirements and realistic response and delivery allowances.
Which calendar and years are supported?
Use Gregorian dates from 1900 through 2100, with results in that range. Most daily plans allow up to 366 dates; service-budget searches allow 731. Timed intervals have exclusive ends and use browser IANA time-zone rules; nonexistent local times are rejected and repeated times require your choice. Working calendars and policy terms are entered by you. The holiday comparison uses TimeCubby's published country/region coverage. Copy, CSV and print include assumptions; calendar exports appear when dated events exist.
What happens to my dates?
Calculations run on your device. Saving a calculation is optional and keeps it in this browser. A setup link contains the dates and settings you entered; anyone with the link can read them. Use one tab per saved calculator. Clear saved data from Privacy & settings.