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Daylight saving creator left the chat.... (lemmy.world)

submitted 7 months ago by devilish666@lemmy.world to c/programmer_humor@programming.dev

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[–] uis@lemm.ee 6 points 7 months ago (3 children)

Why not metric time(TAI)?

[–] Quill7513@slrpnk.net 12 points 7 months ago (2 children)

Or why not just seconds past the epoch?

[–] nabladabla@sopuli.xyz 6 points 7 months ago

leap second corrected or not?

[–] uis@lemm.ee 4 points 7 months ago (1 children)

Metric seconds or UTC seconds?

[–] Quill7513@slrpnk.net 2 points 7 months ago

I'm gonna say SI

[–] JayDee@lemmy.ml 2 points 7 months ago (1 children)

Reasons.

[–] uis@lemm.ee -1 points 7 months ago (2 children)

Reasons just states difference, but does not answer why.

[–] dukk@programming.dev 4 points 7 months ago (1 children)

On the other hand, TAI does not take into account the variations in Earth's rotation speed, which determines the true length of a day. For this reason, UTC is constantly compared to UT1. Before the difference between the two scales reaches 0.9 seconds, a leap second is added to UTC.

On average, Earth has been slowing down a bit over the past decades, so UTC is currently running 37 seconds behind TAI.

[–] uis@lemm.ee 1 points 7 months ago

So leap seconds is advantage here?

[–] JayDee@lemmy.ml 3 points 7 months ago

There's literally a section titled 'why use UTC - not TAI?'.

[–] perviouslyiner@lemmy.world 1 points 7 months ago* (last edited 7 months ago) (1 children)

Is that supported in any common operating systems?

[–] uis@lemm.ee 1 points 7 months ago

Yes, CLOCK_TAI here