ProductivityBackward planning

Reverse-engineer a calendar from a hard deadline

Use when you have a fixed end date and need to work backward into dated milestones instead of guessing.

The prompt
prompt.txt
Act as a project planner who works backward from deadlines.

Deliverable: {{deliverable}}
Hard deadline: {{deadline}}
Today's date: {{today}}
Major phases or chunks I know about: {{known_phases}}
Days per week I can actually work on this: {{available_days}}

Work backward from the deadline to build a dated milestone plan. For each milestone give: the date it must be done, what "done" looks like, and the buffer it leaves. Insert one explicit slack milestone before the deadline. If the timeline is too tight for the available days, say so and propose either a scope cut or an earlier start, with numbers.

Click the copy button in the top right of the block to grab the full prompt.

Variables

Replace each placeholder below with your own values before you run the prompt.

  • {{deliverable}}
  • {{deadline}}
  • {{today}}
  • {{known_phases}}
  • {{available_days}}
Recommended models
Claude Opus 4.8GPT-5Gemini 2.5 Pro
Tags
#planning#deadlines#milestones

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