All stages are sequential calendar days with no weekend exclusions. The review and contingency blocks both precede delivery.
Capacity planning / Delivery coordinator
Deadline Backplanner
Work backwards from each final deadline to a latest drafting start.
01 / Inputs
Working sheet
Edit any cell to recalculate. Use anonymous references. Data stays in this browser tab and clears when you reload.
| Deliverable | Deadline | Draft days | Review days | Buffer days | Row |
|---|
02 / Review
Decision sheet
| Deliverable | Draft start | Review start | Buffer start | Deadline |
|---|---|---|---|---|
| Workshop | 2026-11-09 | 2026-11-11 | 2026-11-13 | 2026-11-14 |
| Board pack | 2026-11-11 | 2026-11-15 | 2026-11-18 | 2026-11-20 |
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