KnowraUnix timeLinked fromLinked fromThe 11 pages that link to Unix time, each with the reason it gives.All 11Related 7Compared with 4ISO 8601Compared with: It encodes time as a numeric instant rather than a human-readable calendar string.Leap secondCompared with: Unlike UTC, Unix time does not have one universally implemented representation for the extra second.Calendar eraCompared with: It uses a numerical epoch for elapsed seconds rather than an era for calendar years.Year 2000 problemCompared with: It represents time differently and was not the source of the two-digit-year bug.