Bid / Tender / RFP Deadline
Project bid deadlines back from a target award date.
These calculators are for informational purposes only and do not constitute legal, financial, or professional advice.
How the Bid / Tender / RFP Deadline works
The Bid / Tender / RFP Deadline calculator works backward from the date a tender opens to tell you the last working day you can submit, and the day clarification questions are due before that. Enter the opening date and the number of business days the procurement notice requires for submission; the tool counts back over working days, skipping weekends and the public holidays of the jurisdictions you select, and returns both the submission deadline and a question deadline set seven business days before opening.
Bid timelines run on working days, not calendar days, which is exactly where hand-counting goes wrong. "Submit five business days before opening" looks like a five-day cushion, but a long weekend or a national holiday inside that window quietly pulls the real deadline forward by a day or two. Counting backward also inverts the usual intuition: every non-working day you cross makes the deadline earlier, not later, so the safe-looking estimate is almost always too optimistic.
Treat the result as a planning anchor rather than the literal cutoff in the notice. The authoritative deadline is whatever the tender documents state — often a precise time of day on a stated date. Use the calculator to confirm that the stated date leaves you the working days you actually need to assemble pricing, gather signatures, and respond to clarifications, and to plan backward from opening when the notice instead specifies a lead time.
Worked example
A tender opens on Monday the 20th and the notice asks for submission five business days before opening. Counting back over working days — skipping the intervening weekend — the submission deadline lands on the Monday a week earlier, the 13th, and the question deadline (seven business days before opening) falls on the Thursday before that. Drop a public holiday into the window and both dates slide one working day earlier, which is precisely the shift an eyeballed count misses.
Frequently asked questions
Does the calculator count business days or calendar days?
Business days. It counts backward from the opening date over working days only, skipping weekends and the public holidays of the jurisdictions you choose. If your tender notice states its lead time in calendar days instead, treat that figure separately — this tool is built for the business-day convention most procurement schedules use.
What is the question deadline it shows?
It is the cut-off for submitting clarification questions to the buyer, set seven business days before the tender opens. Most procurement processes stop accepting questions well before submission so the buyer can issue addenda to all bidders. Always check the tender documents for the exact clarification window, as it varies by procurement.
Is the calculated date the official deadline?
No. The binding deadline is whatever the tender or RFP documents specify, usually down to a stated time on a stated date. This calculator projects working days for planning so you know how much real time you have; confirm the controlling date and time against the procurement notice before you rely on it.
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