Why does being able to load websites / browse internet depend on my computer’s clock being right?

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I notice that if I’ve traveled and my computer’s system clock is wrong by time zone, or I have not started up a computer in a long time (battery went dead) and its clock is wrong, that computer will not even be able to visit regular old websites on the internet (to look up information, what time it is, etc).

But if I reset the clock to approximately the correct time, things are back to normal. Why does it depend on this?

In: Technology

7 Answers

Anonymous 0 Comments

Your computer checks for valid security keys on websites it opens. One of the things it checks right away is if the security key is up to date. If it’s from a date that your computer thinks is way in the future, it won’t open and it gives you a warning that also includes the very likely suggestion that it isn’t the security key that has a very wrong date, it’s your computer.

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