Unverified50% confidenceSolutionExact time

Time-sensitive judgments should trust only a single time source (usually the database's now()), or use a monotonic clock rather than the wall clock to measure time intervals.

1

Sources

50%

Confidence

Long-term

Relevance

10/18/2026

First Seen

Sources

Short Link TTL Design Lessons: Expiration Is a Feature, Not a Cron Job

Related Entities

Monotonic Clockconcept 数据库 now()concept

Related Claims

UnverifiedWhen implementing minimum age gating, a monotonic clock rather than a wall clock should be used to compute eligibility time, to avoid misjudgments caused by NTP time correction or time zone changes; cross-process and cross-machine scenarios may need to rely on server-side timestamps or version numbers.73% similar

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