Are leap seconds taken into account in macOS time updates?

I wonder if leap seconds have any impact on the time displayed on my computer.

Upon inspecting the JavaScript date object, it seems that leap seconds are not accounted for at all. They do not seem to be included in the base representation.

It appears that leap seconds are incorporated when the clock synchronizes. How does this affect the handling of time in JavaScript?

Answer №1

After taking into account the feedback given in the comments, I made adjustments to the time strings in my code snippet to reflect GMT by adding a "Z" at the end.

console.log(new Date("2015-07-01T00:00:00Z")-new Date("2015-06-30T23:59:59Z"));

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