Re: [Ntp] New Version Notification for draft-gruessing-ntp-ntpv5-requirements-03.txt

[James <[e-mail]>]

As was reported earlier this year [1]:

> Peter Whibberley, senior research scientist with National Physical Laboratory’s time and frequency group, said: “It is certainly correct that the Earth is spinning faster now than at any time in the last 50 years.
> ...
> The World Radiocommunication Conference will decide on the fate of the leap second in 2023.
> ...
> Global warming will also have an effect by melting ice and snow at higher elevations, causing the Earth to spin faster, although only by a small amount.

I’d be curious to know if there are any data that contradicts the NPL’s position regarding rotation speed or the other parts of that article.

- J

1: https://www.telegraph.co.uk/news/2021/01/04/earth-spinning-faster-now-time-past-half-century/


> On 21 Oct 2021, at 17:29, Danny Mayer <[e-mail]> wrote:
> On 10/21/21 7:59 AM, [e-mail] <mailto:[e-mail]> wrote:
>> I only have second-hand insight, really. 
>> What I gather is that there is a growing fear of a situation similar to the Y2K bug scare, because it is predicted that (for the first time I believe) there could soon be a negative leap second and time sync appliances might just fail in the face of having to deal with that. 
>> I will try to get better info, in particular quantifying chances and timeframe.
> The only way that is likely to happen is if the earth rotation speeds up, which is extremely unlikely. The only ways that I can think of that happening would be either a volcano about to spew enough energy in the right direction and an asteroid hitting the earth with a glancing blow. Either would be catastrophic. It would be better to not remove a leapsecond and just wait for the next time a positive leapsecond adjustment is needed.
> 
> Danny
> 
> 
> _______________________________________________
> ntp mailing list
> [e-mail]
> https://www.ietf.org/mailman/listinfo/ntp