Let's Standardize the 1970 Epoch

1970 Epochal Time은 기존의 '1970년 이후 초' 타임스탬프 관행을 역사적 모호성과 상표 문제 없이 명확히 정의한 새로운 표준 제안이다. 이 시스템은 1972년 1월 1일 00:00:00 UTC부터 시작하며, 윤초 처리 방식을 명확히 하여 기존 Unix 타임스탬프와 수치적 호환성을 유지한다. 특히 윤초 삽입 시 해당 초에 타임스탬프 값을 부여하지 않고, 삭제된 윤초는 연속성을 유지하도록 설계되었다. 이 문서는 공식 인터넷 표준은 아니며, 기존 관행의 형식화에 초점을 맞춘다.

https://github.com/billpg/1970EpochalTime/

#timestamp #epoch #unixtime #leapsecond #timestandard

NASA Confirms China’s Three Gorges Dam Has Slowed Earth’s Daily Rotation: https://orbitaltoday.com/2025/09/03/nasa-confirms-chinas-three-gorges-dam-has-slowed-earths-daily-rotation/

#leapsecond #time #nasa #china #utc #atomictime

Leap Second: Last Week Tonight with John Oliver (HBO)

https://peertube.gravitywell.xyz/w/mm1EyeEuzNAPAMs6gjda2T

Usually added at New Year’s to align atomic clocks with Earth’s irregular rotation, the leap second will be discontinued by 2035. This change eliminates disruptions to global systems like GPS and telecommunications, allowing for uninterrupted timekeeping.

#science #sciencefacts #leapsecond #earthrotation #newyears #HappyNewYear #happynewyear2025

According to a recent paper, due to fluctuations in the rotation of Earth's core, Earth';s rotation is speeding up. The final minute of 2026 would only have 59 seconds in order to keep UTC synchronised with Earth's rotation.

But #ClimateChange has melted so much of the polar ice caps that the distribution of Earth's mass has changed. This has delayed the negative #LeapSecond by three years, to 2029.

https://www.nature.com/articles/d41586-024-00850-x
https://www.nature.com/articles/d41586-024-00932-w

Original (paywalled): https://www.nature.com/articles/s41586-024-07170-0