OpenEuphoria

Re: Time Calculation

• Posted by Jeff Zeitlin <jzeitlin at CYBURBAN.COM> Nov 29, 1999
• 391 views

On Mon, 29 Nov 1999 00:01:17 -0500, Kat <KSMiTH at PELL.NET> wrote:

>----- Original Message -----
>From: Jeff Zeitlin <jzeitlin at CYBURBAN.COM>
>To: <EUPHORIA at LISTSERV.MUOHIO.EDU>
>Sent: Sunday, November 28, 1999 12:38 AM
>Subject: Re: Time Calculation

>> If _very_ long shifts are a possibility (e.g., start at 10AM,
>> finish at 2AM next morning), you'll also want to check to see if
>> the end time is earlier than the start time, and if they are,
>> swap them, calculate the difference, and then subtract that
>> difference from 24 hours.  That will cover everything except a
>> shift that's 24 hours or longer.

>This would work best if you logged the ticks from start of something, rather
>than the calendar/clock time. Maybe Rob could put in a function to convert a
>date/time to ticks_since_epoch, and back again. That way you can convert the
>start time to ticks, then the end time, subtract, and you're done, with no
>errors.

You're absolutely correct, in this - but I'm not aware of any U4
function to convert to epochal ticks, and I was presuming the
worst-case scenario for the incoming data, that its format was
fixed as given, which meant that the date wasn't available.
--
Jeff Zeitlin
jzeitlin at cyburban.com