## Definition **Temporal context anchoring** is the two-part discipline of (1) storing time-sensitive facts in memory as absolute calendar dates rather than relative references, and (2) injecting the current date into every session so the model can reason correctly about temporal relationships. ## Why Relative Dates Rot A memory entry that says "we'll freeze on Thursday" becomes meaningless 24 hours after it was written. A model reading it on any later day has no way to determine which Thursday, or whether that Thursday is in the past. The author's formulation in Module 6: **"2026-03-05 doesn't rot; Thursday does."** This is distinct from [[Context Compaction]] loss — the memory file itself survives; it is the semantic content that decays. ## The Two Rules **Rule 1 — Anchor absolute dates in memory.** Any time-sensitive fact written to a memory file must use an explicit ISO date (`YYYY-MM-DD`). Dates relative to the moment of writing (today, next week, Thursday) must not appear in persisted memory. **Rule 2 — Inject the current date at session start.** An LLM's training cutoff is months or years behind the current date. Without a date anchor, the model will reason as if it were at or near its cutoff. Modern harnesses inject the date automatically; if yours does not, include it in `AGENTS.md` or in the first user message of each session. ## Failure Without Anchoring - A model reading a "next sprint" entry re-plans work that is already shipped. - A model given no date anchor treats "2026" API deprecations as future when they are past. - A model asked "is the freeze still active?" cannot answer correctly without both the absolute freeze date and the current date. ## Harness Behaviour Most agentic CLIs (Claude Code, Cursor, Copilot Workspace) inject the current date automatically. Verify this by inspecting your `AGENTS.md` or system prompt; if the date is absent, add it. Session-injected date anchors require no storage — they are ephemeral [[Context vs Memory]] concerns. ## Related - [[Layered Memory Architecture]] - [[Memory Scope Promotion Discipline]] - [[Context vs Memory]] - [[Auto-memory]] - [[AGENTS.md Convention File]] ## Sources - [[Modern AI Software Engineering - The Orchestrators Playbook]]