Home Arduino A Large Leap for the Leap Second. Is Humankind Prepared? « Adafruit Industries – Makers, hackers, artists, designers and engineers!

A Large Leap for the Leap Second. Is Humankind Prepared? « Adafruit Industries – Makers, hackers, artists, designers and engineers!

A Large Leap for the Leap Second. Is Humankind Prepared? « Adafruit Industries – Makers, hackers, artists, designers and engineers!


Screenshot 2023 11 03 at 4 12 42 PM

Tonight is the night time to Fall Again 🕰️🍂 as all of us get an additional hour of sleep. However do you know about Leap Second?

Primarily based on two other ways we measure time (precisely): atomic and astronomical. Often the 2 clocks grow to be out of sync (as a result of time is relative?) and we have to insert a leap second. Actually fascinating article from the New York Occasions:

For 50 years, the worldwide group has fastidiously and precariously balanced two other ways of retaining time. One technique, primarily based on Earth’s rotation, is as outdated as human timekeeping itself, an historical and common sense reliance on the place of the solar and stars. The opposite, extra exact technique coaxes a gentle, dependable frequency from the altering state of cesium atoms and supplies important regularity for the digital gadgets that dominate our lives.

The difficulty is that the occasions on these clocks diverge. The astronomical time, known as Common Time, or UT1, has tended to fall a couple of clicks behind the atomic one, known as Worldwide Atomic Time, or TAI. So each few years since 1972, the 2 occasions have been synced by the insertion of leap seconds — pausing the atomic clocks briefly to let the astronomic one catch up. This creates UTC, Common Coordinated Time.

Learn extra and be taught extra about Common Time [UT1] and Worldwide Atomic Time [TAI]

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