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epoch time

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IT Services Circle
IT Services Circle
Jul 10, 2023 · Fundamentals

The Story Behind Unix Epoch Time and the Y2K38 Problem

This article recounts how Ken Thompson and Dennis Ritchie devised the Unix Epoch Time as a simple integer timestamp, explains its advantages, the 32‑bit limitation leading to the Y2K38 issue, and describes the transition to 64‑bit timestamps in modern systems.

32-bit64-bitOperating Systems
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The Story Behind Unix Epoch Time and the Y2K38 Problem
macrozheng
macrozheng
Jun 4, 2020 · Fundamentals

Why Does Your App Show 1970‑01‑01? Uncovering the Unix Timestamp Origin

This article explains why many systems display the date 1970‑01‑01, demonstrates how to reproduce it with Java code, and traces the historical development of the Unix timestamp from its 1971 inception to the modern 1970 epoch standard.

Java DateUnix timestampepoch time
0 likes · 7 min read
Why Does Your App Show 1970‑01‑01? Uncovering the Unix Timestamp Origin