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Your laptop’s second clock is a real-time clock, additionally quartz-based, that retains one thing nearer to what we would name human time. Typically, your laptop retains monitor of human time by counting the variety of seconds which have elapsed since some arbitrary place to begin. Within the case of Home windows computer systems, the place to begin is January 1, 1601, whereas within the case of Unix-based techniques akin to MacOS and Android, it is January 1, 1970. This has resulted in an impending “yr 2038 drawback” as a result of within the yr 2038, the variety of seconds elapsed since 1970 can have grown so giant it’ll exceed the pc’s means to retailer it, leading to a possible disaster much like the millennium bug in 2000. For now, nonetheless, we are able to safely punt that drawback down the street and let our youngsters fear about fixing it. All you’ll want to know is that this timestamp may be transformed into a correct date and time everytime you need to learn the clock in your desktop or your telephone. It is not, nonetheless, a easy calculation. It has to keep in mind all of the leap years, leap seconds, daylight financial savings transitions, time zones, and locale irregularities which have occurred between 1970 and now. I for one am very glad that it is another person’s job to take care of that mess.
