All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sumit Narayan <talk2sumit@gmail.com>
To: jonathan@jonmasters.org
Cc: szonyi calin <caszonyi@yahoo.com>,
	Ankit Jain <ankitjain1580@yahoo.com>,
	linux prg <linux-c-programming@vger.kernel.org>
Subject: Re: Unix Time
Date: Mon, 27 Sep 2004 17:33:57 -0400	[thread overview]
Message-ID: <1458d96104092714337dbd101b@mail.gmail.com> (raw)
In-Reply-To: <35fb2e59040927045735974a2a@mail.gmail.com>

You can use ctime() for conversion.

#include <stdio.h>
#include <time.h>
#include <stdlib.h>

int main(){
  time_t a;
  printf("%d = ", time(&a));
  printf("%s\n", ctime(&a));
  return 0;
}

Hope this helps.

--Sumit

On Mon, 27 Sep 2004 12:57:42 +0100, Jon Masters <jonmasters@gmail.com> wrote:
> On Mon, 27 Sep 2004 12:59:47 +0200 (CEST), szonyi calin
> <caszonyi@yahoo.com> wrote:
> 
> > to convert a number of secconds in actual time:
> > a minute has 60 seconds
> > an hour has 60 minutes = 3600 seconds
> > a day has 24 hours = 86400 seconds
> 
> ...but don't use this because over the period of seconds since epoch
> (January 1 1970 is when UNIX began counting time) it'll not take in to
> account leap seconds and the like - so you'll cunningly be out of time
> by a little in every calculation.
> 
> No. Use the standard POSIX time functions instead - e.g. localtime()
> to give you the view of time for where you are in the world.
> 
> Cheers,
> 
> Jon.
> 
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

      reply	other threads:[~2004-09-27 21:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-26 14:02 Unix Time Ankit Jain
2004-09-27  3:01 ` Suciu Flavius
2004-09-26 22:57   ` Jon Masters
2004-09-27  5:10     ` Ankit Jain
2004-09-27 10:59       ` szonyi calin
2004-09-27 11:57         ` Jon Masters
2004-09-27 21:33           ` Sumit Narayan [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1458d96104092714337dbd101b@mail.gmail.com \
    --to=talk2sumit@gmail.com \
    --cc=ankitjain1580@yahoo.com \
    --cc=caszonyi@yahoo.com \
    --cc=jonathan@jonmasters.org \
    --cc=linux-c-programming@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.