4 Nov
2019
4 Nov
'19
11 p.m.
[Moved to COFF]
On Monday, 4 November 2019 at 16:59:22 -0500, John P. Linderman wrote:
I wrote a near-trivial "timestamp" command
to make it easier to do time
arithmetic
TZ=udt timestamp
119 11 04 21 50 06 18204 1572904206 Mon Nov 4 21:50:06 2019
TZ=udt timestamp 0
70 01 01 00 00 00 0 0 Thu Jan 1 00:00:00 1970
...
FreeBSD has this functionality in date(1):
TZ=UTC date -r 500000000
Tue 5 Nov 1985 00:53:20 UTC
TZ=UTC date -r 1500000000
Fri 14 Jul 2017 02:40:00 UTC
Greg
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4 Nov
4 Nov
11:50 p.m.
On Tue, 05 Nov 2019 10:00:55 +1100 Greg 'groggy' Lehey <grog(a)lemis.com>
wrote:
[Moved to COFF]
On Monday, 4 November 2019 at 16:59:22 -0500, John P. Linderman wrote:
Shouldn't that be
Tue 5 Nov 1985 00:52:57 UTC
Fri 14 Jul 2017 02:39:23 UTC
given that this is UTC (which is 37 seconds behind TAI)?
Sorry :-)
I wrote a near-trivial "timestamp"
command to make it easier to do time
arithmetic
TZ=udt timestamp
119 11 04 21 50 06 18204 1572904206 Mon Nov 4 21:50:06 2019
TZ=udt timestamp 0
70 01 01 00 00 00 0 0 Thu Jan 1 00:00:00 1970
...
FreeBSD has this functionality in date(1):
TZ=UTC date -r 500000000
Tue 5 Nov 1985 00:53:20 UTC
TZ=UTC date -r 1500000000
Fri 14 Jul 2017 02:40:00 UTC 
5 Nov
5 Nov
3:07 a.m.
On Mon, Nov 4, 2019, 5:00 PM Bakul Shah <bakul(a)bitblocks.com> wrote:
No. POSIX says leap seconds do not exist for the computation of these
numbers. Greg's numbers are POSIXly correct.
Warner
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On Tue, 05 Nov 2019 10:00:55 +1100 Greg
'groggy' Lehey <grog(a)lemis.com
wrote:
The delta was closer to 18 in 1985 and 36 on 2017. But that doesn't matter.
Sorry :-)
[Moved to COFF]
On Monday, 4 November 2019 at 16:59:22 -0500, John P. Linderman wrote:
Shouldn't that be
Tue 5 Nov 1985 00:52:57 UTC
Fri 14 Jul 2017 02:39:23 UTC
given that this is UTC (which is 37 seconds behind TAI)?
I wrote a near-trivial "timestamp"
command to make it easier to do time
arithmetic
TZ=udt timestamp
119 11 04 21 50 06 18204 1572904206 Mon Nov 4 21:50:06 2019
TZ=udt timestamp 0
70 01 01 00 00 00 0 0 Thu Jan 1 00:00:00 1970
...
FreeBSD has this functionality in date(1):
TZ=UTC date -r 500000000
Tue 5 Nov 1985 00:53:20 UTC
TZ=UTC date -r 1500000000
Fri 14 Jul 2017 02:40:00 UTC 
11:13 a.m.
Fans of time_t numerology might like my silly palindromic twitter bots,
https://twitter.com/time_t_emit
https://twitter.com/time_x_emit
https://twitter.com/time_o_emit
https://twitter.com/time_b_emit
Tony.
--
f.anthony.n.finch <dot(a)dotat.at> http://dotat.at/
Thames, Dover, East Wight: Cyclonic 3 to 5, becoming northerly 5 to 7 later.
Slight or moderate. Thundery showers. Good, occasionally moderate.
1726
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1727
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3 comments
4 participants
participants (4)
-
Bakul Shah -
Greg 'groggy' Lehey -
Tony Finch -
Warner Losh