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My host has got his timezone set to something different from mine (i live somewhere across the globe from him).

Posted on 2004-04-23
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Last Modified: 2013-12-24
My host has got his timezone set to something different from mine (i live somewhere across the globe from him).
Is there someway I can control the timezone via <cfml>, instead of having him change the time zone to suit mine?
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Question by:lifegauge
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LVL 35

Expert Comment

by:mrichmon
ID: 10902157
You cannot control the timezone of the server using CF.

If you know the difference however, you can just adjsut the time each time you display it.
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Author Comment

by:lifegauge
ID: 10902194
I'm thinking of setting request.mytime in application.cfm and refer to that instead of now() in my pages, but i'm not sure how to find out the difference. my timezone is gmt +8.
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Expert Comment

by:mrichmon
ID: 10902205
And what is their timezone?
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LVL 25

Expert Comment

by:James Rodgers
ID: 10902216
GetTimeZoneInfo() will give you the time on the server and then you can use that with createDateTime to set a variable to match your local time so if the server time offset is 15hrs and you are offset 5 hours the diff is 10 hours so you could try



<cfset myVar=createDateTime(year(now()), month(now()), day(now()), hour(now())-10,minute(now()),second(now()))>

but hour is supposed to be 0-23 so if yuo get a neg number you will need to do some more work to adjust the day then the month then the year

so
<cfset mysec=second(now())>
<cfset mymin=minute(now())>
<cfset myhour=hour(now())-10>
<cfif myhour lt 0>
<cfset myday=day(now())-1>
<cfset myhour=23+myHour>
</cfif>
<cfif myday lt 1>
<cfset mymonth=month(now())-1>
<cfset myday=1>
</cfif>
etc
<cfset mysec=second(now())>
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Author Comment

by:lifegauge
ID: 10985124
This is kinda confusing, I've done it the short way before, just couldn't remember how to get it done therefore I believe there's any easier way to adjust the timezone, does anyone else have other suggestions?
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Expert Comment

by:LeaperJPD
ID: 11000830
Sure, try this:

<!--- get the time zone offset in hours from the server, I call it timez --->
<cfset timez = gettimezoneinfo()>

<!--- set the difference between your time and the server's time --->
<cfset timediff = -4>

<cfoutput>#dateadd("h", timez.utchouroffset+timediff, now())#</cfoutput>
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Author Comment

by:lifegauge
ID: 11015380
Using this:
<!--- get the time zone offset in hours from the server, I call it timez --->
<cfset timez = gettimezoneinfo()>

<!--- set the difference between your time and the server's time --->
<cfset timediff = +8>

<cfset nowtime = #dateadd("h", timez.utchouroffset+timediff, now())#>

<cfoutput>
Current time: #dateformat(now(),'dd-mm-yyyy (HH:mm:ss)')#
<br>
New time: #dateformat(nowtime,'dd-mm-yyyy (HH:mm:ss)')#
</cfoutput>

I am getting this:
Current time: 07-05-2004 (09:05:13)
New time: 07-05-2004 (22:05:13)

The problem is, the current time (my time) is 22:50 and not 22:05.
How do I correct this problem?
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LVL 35

Expert Comment

by:mrichmon
ID: 11015944
So it isn't just a timezone issue then, but also a difference in the set times on the servers that you want to account for?
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Accepted Solution

by:
LeaperJPD earned 125 total points
ID: 11016215
This is not a timezone issue then, the server time is just wrong.  You could adjust for it, but what if the system admin corrects the clock?  But if you really want to..... you can use this:

<!--- get the time zone offset in hours from the server, I call it timez --->
<cfset timez = gettimezoneinfo()>

<!--- set the difference between your time and the server's time --->
<cfset timediff = -4>

<cfset tmpTime = dateadd("h", timez.utchouroffset+timediff, now())>

<cfset smalltimediff = -45>

<cfoutput>#dateadd("n", smalltimediff, tmpTime)#</cfoutput>
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