Take a look at
https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition/
Current time of each standard
The table below shows the current time according mentioned standards:
UTC 2025-08-29 16:17:40
GPS 2025-08-29 16:17:58
LORAN 2025-08-29 16:18:07
TAI 2025-08-29 16:18:17
-y
On Fri, Aug 29, 2025 at 11:05 AM Mark Devine <m...@markdevine.com> wrote:
> Bruce,
>
>
>
> Asked for elegant. Received elegant.
>
>
>
> raku -e 'my $inst = now; put DateTime.new($inst).local, "\t",
> DateTime.new($inst).truncated-to("second").local;'
>
> 2025-08-29T10:57:31.276115-04:00 2025-08-29T10:57:31-04:00
>
>
>
> .truncated-to didn’t jump out at me when scanning class DateTime | Raku
> Documentation <https://docs.raku.org/type/DateTime>, but I’ve got it now.
>
>
>
> Thanks!
>
>
>
> Mark
>
>
>
>
>
> *From:* Bruce Gray <robertbrucegr...@gmail.com>
> *Sent:* Friday, August 29, 2025 10:24 AM
> *To:* Mark Devine <m...@markdevine.com>
> *Cc:* perl6-users <perl6-us...@perl.org>
> *Subject:* Re: DateTime: (now.Int) always 37 seconds off from (now)
>
>
>
>
>
>
>
> On Aug 29, 2025, at 09:14, Mark Devine <m...@markdevine.com> wrote:
>
>
>
> Rakoons,
>
> --snip--
>
> In the end, I’m looking for elegant mechanics to get DateTime objects from
> multiple sources (including now), perform calculations, etc., then produce
> this format using .Str:
>
> YYYY-MM-DDT*HH:MM:SS*-04:00
>
> not this format:
>
> YYYY-MM-DDT*HH:MM:SS*.806520-04:00
>
>
>
>
>
> Hi Mark,
>
>
>
> This should work:
>
> raku -e 'say DateTime.now.truncated-to("second");'
>
> 2025-08-29T09:18:57-05:00
>
>
>
> Docs:
>
> https://docs.raku.org/type/DateTime#method_truncated-to
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.raku.org_type_DateTime-23method-5Ftruncated-2Dto&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=thT0VsM9yJlPPLROt23gXb6x82v5JicoCnxKT8v5YUo&m=IUEIKGuypZHWmV48ZWHC1oCTBivDAGisVF0N2rNmN81DXrTspMZbZOC9rMYYDp48&s=_EwVV_l7UgQAjG6p_IY5ib-gdPXS1tJD787PP7Sbv_U&e=>
>
>
>
> --
>
> Hope this helps,
>
> Bruce Gray (Util of PerlMonks)
>
