Liangxu Linux

Oct 11, 2020 · Fundamentals

Understanding Human vs Machine Time: From Epoch to UTC and Local Time

The article explains the two ways to express time—human time (year, month, day) and machine time (milliseconds since the 1970 epoch)—detailing how machine time maps to UTC, how UTC relates to local time zones, and why conversions are necessary for accurate time handling in software.