[LEAPSECS] Computer Network Time Synchronization, 2nd Ed.

[Warner Losh]

On Dec 7, 2011, at 4:13 AM, Ian Batten wrote:


> 

> On 7 Dec 2011, at 0748, Poul-Henning Kamp wrote:

> 

>> In message <26F22184-F7BA-4773-90C4-E480356F523A at noao.edu>, Rob Seaman writes:

>> 

>>>> I wonder where he got the idea that death and birth certificates are UT1 too.

>> 

>> Or for that matter, what difference it could possibly make ?

>> 

>> Birthdays do not even get adjusted with/for timezones:  You are

>> born and die on civil time,

> 

> Which of course takes us round in circles, because in some countries civil time _is_ UT1.


My main point is UT1 is a very specific, technical specification.  Most countries specify mean solar time, of which UT1 is but one realization.  UT2 is also a realization.  Why then specify that UT1 is required is what I'd like to know.

Warner