Two clocks per memory: handling eight temporal scenarios in long-running AI agents

blaizedsouza · x · 2026-10-21

mem0 published a deep dive, "Managing Time in AI Memory," on how consumer agents that run for months or years should handle time.

Core idea: every memory has two clocks — when the event happened, and when the system learned about it. Companion, coaching, and journaling apps accumulate thousands of small facts, most of which are only true for a period.

The article breaks down eight temporal scenarios in consumer apps and how to handle each — a systematic reference for agent memory engineering.

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