OMS 12c wrong timezone

Cloud Control 12.1.0.2.0 for Linux x64 show wrong UTC offset for time Zone (Moskow, Minsk, Kiev) in drop down lists.
Metalink note 1379297.1 and Patch:7457892 correct only Caracas.
Does anyone know where to find the correct library $MW_HOME/oracle_common/modules/oracle.nlsrtl_11.1.0/orai18n-translation.jar ?

Try to set "TZ" OS variable for your timezone for the user who own OEM12c installation and restart OMS.
-- Kirill Loifman

Similar Messages

Auction Outbid Notices specify wrong timezone

Hello,
We have set our server time to UTC.
We also set following two system properties and restarted Java server:
system.default.timezone=UTC
system.master_timezone=UTC
However we are still getting Auction Outbid Notices which specify wrong timezone i.e. PKT. How should we resolve this problem ? Please check sample Notice that we are getting shown below.
Subject: ABC, Inc. Auction Outbid Notice Auto forwarded by a Rule
Dear Test,
You have been outbid in the ABC, Inc. auction: AUC-00027-2011, Test Defect 235 on Motor. Another bidder is currently winning the auction line item. You can still place another bid before the bidding closes at Sat Dec 10 07:10:00 PKT 2011.
TO REVIEW BIDS, follow these steps:
1. Click on the link:https://sourcing.abc.com/12345
2. Click on the Name and Description link to view the Detailed Bid History.
Do not reply to this message. If you have any questions or difficulty using this application, please contact support

Suppliers default time zone is set to GMT+8
I checked companies i.e. Setup --> Organization and Accounting Information --> Companies. Navigate doen to the other info section and
that is set to GMT-5 (i.e US EST)
But why outbid notice is getting PKT (i.e GMT+5) ??
Just FYI we are using Sourcing 7.0 SP2.
Thanks,
Bhushan

Installed 11g on server with wrong timezone

Don't know if anyone has had this happen to them or not but I installed oracle 11.1.0.7 on a windows 2008 server. Just got everything loaded and patched. I was about to test a rman recovery when I noticed the windows server was set to the wrong timezone. I fixed the timezone on the server but not sure how to fix it on the database. At the least it seems like I would have to drop the dbconsole repository and recreate it.
Has anyone every had to change the timezone on their Oracle database?
Thanks for taking my questions!
Kathie

The complete answer is to boot database, dropped the dbconsole repository and recreated it. This cleans up you job schedule and resets everything to the correct time.
Thanks!

Entourage reports wrong timezone

Hi, anyone out there having a mismatch between the timezone indicated on the invitation to a meeting and the timezone of the machine entering the invitation? we use outlook 2003 and exchange server at work. i learned how to use entourage to access my server using owa on my mac. all the calendar entries are captured, but the timezone of the originating meeting invitation is GMT while the originator (and I) are on CET. It shows fine on my WINPC running outlook, but not on my mac at home. Our mail server is in the UK so maybe entourage is picking up the wrong time? ideas anyone?
thanks,
ed

user4060919 wrote:
I installed 11g on an AIX computer with a wrong timezone. I am in EST but the machine was set to CST. I have since set the timezone correctly to EST5EDT and restarted Oracle but some of the times are still off 1 hour. The SYSDATE returns a time 1 hour early and SYSTIMESTAMP thinks it is in zone -6. Here are some displays:
SQL> ALTER SESSION SET NLS_DATE_FORMAT='DD-MON-YY HH:MI:SS';
Session altered.
SQL> SELECT dbtimezone FROM DUAL;
DBTIME
+00:00
SQL> SELECT sessiontimezone FROM DUAL;
SESSIONTIMEZONE
-05:00
SQL> select sysdate from dual;
SYSDATE
20-FEB-12 11:17:57
SQL> select current_date from dual;
CURRENT_DATE
20-FEB-12 12:17:57
SQL> select systimestamp from dual;
SYSTIMESTAMP
20-FEB-12 11.17.57.662186 AM -06:00
In the above, note that the DBTIME and SESSIONTIMEZONE seem correct.
At the AIX prompt I have:
$ echo $TZ
EST5EDT
$ date
Mon Feb 20 12:14:50 EST 2012
$ date -u
Mon Feb 20 17:14:56 GMT 2012
$
I would like SYSDATE to return the correct value for my timezone of EST.
The doc says "SYSDATE returns the current date and time set for the operating system on which the database resides." So I am guessing somehow when Oracle starts it still thinks it is in CST zone.problem must be fixed at OS level
man date

Add an OMS 12c Failed

Hello,
I am trying to add a second OMS 12c to my configuration an it Failed:
Procedure Activity: ADD_MANAGEMENT_SERVICE 1380875989816
->Step Clone Source Failed without explanation.
Any idea where I can find a log to check and find the error ?
Last messages in: /app/grid/gc_inst/em/EMGC_OMS1/sysman/log
2013-10-04 10:42:58,027 [main] INFO oms.AdminCredsWalletUtil setInstanceHome.177 - Getting credentials from wallet
2013-10-04 10:42:58,048 [main] INFO oms.AdminCredsWalletUtil setInstanceHome.192 - Read the credentials from wallet
2013-10-04 10:42:58,049 [main] INFO util.EmctlUtil logp.251 - Connecting over t3s to: rivaner1/7102 using id: weblogic
2013-10-04 10:42:58,067 [main] INFO mas.CredStoreUtil logp.251 - getCredential : Got creds for mapName -EM keyName - REPOS_DETAILS
2013-10-04 10:42:58,133 [main] INFO mas.CredStoreUtil logp.251 - getCredential : Got creds for mapName -EM keyName - ENCR_DETAILS
2013-10-04 10:42:58,368 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - Retrieving java callbacks from em_gcha_callbacks table
2013-10-04 10:42:58,369 [main] INFO oms.HAUtil addJarsInClassLoader.464 - Added jar /app/grid/middleware/oms/sysman/jlib/emCORE.jar to classpath
2013-10-04 10:42:58,373 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - executing java callback: oracle.sysman.core.ocm.gcha.OCMHACallbacks
2013-10-04 10:42:58,374 [main] INFO oms.ExportConfigOMSCmds logp.251 - Missing File: /app/grid/gc_inst/em/EMGC_OMS1/ccr/config/collector.properties
2013-10-04 10:42:58,374 [main] INFO oms.ExportConfigOMSCmds logp.251 - Got export data from callback module ocm
2013-10-04 10:42:58,375 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - preparing archive file
2013-10-04 10:42:58,377 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - Adding: /delivery/oms/ADD_MANAGEMENT_SERVICE_20131004103949814/export.properties
2013-10-04 10:42:58,378 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - Adding: /app/grid/middleware/oms/sysman/prov/agentpush/agentpush.properties
2013-10-04 10:42:58,379 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - Adding: /delivery/oms/ADD_MANAGEMENT_SERVICE_20131004103949814/plugins.list
2013-10-04 10:42:58,379 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - Adding:
2013-10-04 10:42:58,380 [main] ERROR oms.ExportConfigOMSCmds logp.251 - Error reading file: . Skip file for archive.
2013-10-04 10:42:58,384 [main] INFO oms.AdminCredsWalletUtil setInstanceHome.177 - Getting credentials from wallet
2013-10-04 10:42:58,405 [main] INFO oms.AdminCredsWalletUtil setInstanceHome.192 - Read the credentials from wallet
2013-10-04 10:42:58,406 [main] INFO util.EmctlUtil logp.251 - Connecting over t3s to: rivaner1/7102 using id: weblogic
2013-10-04 10:42:58,433 [main] INFO mas.CredStoreUtil logp.251 - getCredential : Got creds for mapName -EM keyName - REPOS_DETAILS
2013-10-04 10:42:58,515 [main] INFO mas.CredStoreUtil logp.251 - getCredential : Got creds for mapName -EM keyName - ENCR_DETAILS
2013-10-04 10:42:58,521 [main] DEBUG oms.ExportConfigOMSCmds logp.251 - ExportConfig succeeded!
Regards

Problem was due to a lack of space on the shared NFS filesystems used for the clone.
Expand to 13 Gb rather tahn 8 Gb
dzi57

OMS(12c) does not start

OMS Version : 12 cloud control
1. oms shutdown
emctl stop oms
2. installed Patch(13346924)
3. oms start
emctl start oms
Oracle Enterprise Manager Cloud Control 12c Release 12.1.0.1.0
Copyright (c) 1996, 2011 Oracle Corporation. All rights reserved.
Starting WebTier...
WebTier Successfully Started
Starting Oracle Management Server...
Oracle Management Server is not functioning because of the following reason:
A recent plug-in upgrade operation has failed. Follow these steps to recover:
1. Restore/recover the repository database (For example from a backup)
2. Start the Management server using 'emctl start oms' command. Oracle Management Server cannot be started without recovering the repository database.
Execute 'emctl status oms -details' to get further information about this failure. After identifying and fixing the issues reported in log files you can retry plug-in upgrade.
For more details, Refer to 'Plug-in Deployment' section in the Enterprise Manager Advanced Configuration Guide.
so i patch was rollback,... but ems do not start
EMS do not connected > connect message is "Backend WLS or EM application seems to be down"
backup file not exists...... OMS is reinstall?
have another solution?
Edited by: Taerang on 2012. 3. 4 오전 4:12

No Upgrade for bundle patch #1
installed one-off patch(13346924) ====> oms problem
i env is
em12c(not bundle patch 1) + Database Plugin Upgrade(http://download.oracle.com/otn/nt/oem/12101/12.1.0.1.0_oracle.sysman.db_2000_20111221.opar)

OMS 12c Upgrade Stuck at this error Error in invoking target 'client_shared

Hi All
We are Upgrading OMS from 11.1 to 12c
stuck at this error after invoking runInstaller
Following 1 system upgrade. (graphical mode).
INFO: Start output from spawned process:
INFO: ----------------------------------
INFO:
INFO: /opt/app/wls/oms12c/oms/bin/genclntsh
INFO: make: execvp: /opt/app/wls/oms12c/oms/bin/genclntsh: Permission denied
INFO: make: *** [client_sharedlib] Error 127
INFO: End output from spawned process.
INFO: ----------------------------------
INFO: Exception thrown from action: make
Exception Name: MakefileException
Exception String: Error in invoking target 'client_sharedlib' of makefile '/opt/app/wls/oms12c/oms/rdbms/lib/ins_rdbms.mk'. See '/opt/app/oraInventory/logs/installActions2012-08-02_06-38-02-PM.log' for details.
Exception Severity: 1
INFO: POPUP WARNING:Error in invoking target 'client_sharedlib' of makefile '/opt/app/wls/oms12c/oms/rdbms/lib/ins_rdbms.mk'. See '/opt/app/oraInventory/logs/installActions2012-08-02_06-38-02-PM.log' for details.
Click "Retry" to try again.
Click "Ignore" to ignore this error and go on.
Click "Cancel" to stop this installation.
Please Advise
Edited by: TechAdmin on Aug 2, 2012 4:09 PM
Edited by: TechAdmin on Aug 2, 2012 4:11 PM

I installed all the packages and it allowed me to proceed furthur
but now it throws another error saying that
The log says "ORA-12003: materialized view "SYSMAN"."MGMT_ECM_MD_ALL_TBL_COLUMNS" does not exist" during the OMS Upgrade using graphical mode.
We are not sure if that Materialized view ever exists on it or not.
Please advise
Below is the detailed log :
INFO: oracle.sysman.top.oms:Failure...
INFO: oracle.sysman.top.oms:exiting the thread...
INFO: oracle.sysman.top.oms:[Initializing the EM RCU Runner, Failed Parameter Validation]
INFO: oracle.sysman.top.oms: action logger path calculated finally: /opt/app/wls/OMS12c/oms/sysman/log/schemamanager/m_073012_1147_AM/m_073012_1147_AM.TRANSX/
INFO: oracle.sysman.top.oms:The transx command execution is completed with the status 255
INFO: oracle.sysman.top.oms:The transx action failed, Run the RepManager with -action transx
INFO: oracle.sysman.top.oms:process_id:dr40kpyuxcpe
INFO: oracle.sysman.top.oms:Failure...
INFO: oracle.sysman.top.oms:1 error(s) happened in performing the action:
INFO: oracle.sysman.top.oms:1):
ORA-12003: materialized view "SYSMAN"."MGMT_ECM_MD_ALL_TBL_COLUMNS" does not exist
File:/opt/app/wls/OMS12c/oms/sysman/admin/emdrep/sql/core/11.2.0.1/ecm/ecm_tables_alter.sql
Statement:DROP MATERIALIZED VIEW MGMT_ECM_MD_ALL_TBL_COLUMNS
INFO: oracle.sysman.top.oms:The plug-in Repository Upgrade has failed its perform method
The other logs at <OMS_HOME>sysman/log/schemamanager/* says that the index is missing we checked our backups and all other possible ways to find if that index ever existed but we dont see anything as such.
2012-08-06 12:07:54,476 [t970bytvwebs] INFO emschema.t970bytvwebs - index on mgmt_messages found: true on try: 196
2012-08-06 12:08:00,479 [t970bytvwebs] INFO emschema.t970bytvwebs - index on mgmt_messages found: true on try: 197
2012-08-06 12:08:06,570 [t970bytvwebs] INFO emschema.t970bytvwebs - repos connection is not null, using old one
2012-08-06 12:08:06,571 [t970bytvwebs] INFO emschema.t970bytvwebs - executing: SELECT count(*) FROM all_objects WHERE object_name='MGMT_MESSAGES_IDX_01' AND owner='SYSMAN'
2012-08-06 12:08:06,572 [t970bytvwebs] INFO emschema.t970bytvwebs - index on mgmt_messages found: true on try: 198
2012-08-06 12:08:12,574 [t970bytvwebs] INFO emschema.t970bytvwebs - index on mgmt_messages found: true on try: 199
2012-08-06 12:08:18,576 [t970bytvwebs] INFO emschema.t970bytvwebs - not found index on mgmt_messages
2012-08-06 12:08:18,576 [t970bytvwebs] INFO emschema.t970bytvwebs - error: not found index on mgmt_messages for transx repos user exists: true mgmt_messages exists: true; index on mgmt_messages exist: false; found connection for repos user: true
2012-08-06 12:08:18,576 [t970bytvwebs] ERROR emschema.t970bytvwebs - Failed Parameter Validation
2012-08-06 12:08:18,576 [t970bytvwebs] ERROR emschema.t970bytvwebs - NULL Exception was thrown!
2012-08-06 12:08:18,576 [t970bytvwebs] ERROR emschema.t970bytvwebs - Failed Parameter Validation
we never had that index in our database.so that we could go back and check if that exits
Please suggest a solution for this.
Thanks
Unfortunately we dont have any other database to compare it to see wether it exits
Edited by: TechAdmin on Aug 6, 2012 11:34 AM

Wrong timezone when importing invitation ics from Lotus Notes

Dear all,
I have the problem that the timezone is not correctly detected when importing invitations from Lotus Notes (PRODID:-//Lotus Development Corporation//NONSGML Notes 8.5.2//EN_C) The event is one hour too late, I cal thinks it is "standard time" and not "daylight saving time"
This is the Timezone difinition in the ics file:
BEGIN:VTIMEZONE
TZID:W. Europe
BEGIN:STANDARD
DTSTART:19501029T020000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYMINUTE=0;BYHOUR=2;BYDAY=-1SU;BYMONTH=10
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:19500326T020000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
RRULE:FREQ=YEARLY;BYMINUTE=0;BYHOUR=2;BYDAY=-1SU;BYMONTH=3
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
When I change it to this definition:
BEGIN:VTIMEZONE
TZID:W. Europe
BEGIN:STANDARD
DTSTART:16010101T030000
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=10
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:16010101T020000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3
END:DAYLIGHT
END:VTIMEZONE
the event is correctly scheduled. Now the timezone is daylight saving time. Any hints on what is going wrong?
Thanks for your help!

My suggestion is to open a bug report with Apple if you can demonstrate that this always occurs. And, provide sample file (as you have above). https://bugreport.apple.com
As a work around I have let my customers know that the Calendar app in iOS appears to work fine and to attempt to accept event invitations through that rather than through Calendar app in OS X.
I also hope to create a simple script, droplet or automator workflow that could filter the timezones into Apple Calendar app friendly names. But, so much to do...

Evolution-2.8 Displaying wrong Timezone

Hi all,
I've been seeing some weirdness with evolution-2.8 and timezones since the change on Sunday (EST to EDT). I'm running against an exchange server for my calendar and mail.
My system date is shows the correct timezone as EDT. Evolution, however, does not seem to acknowledge the timezone change and shows its time wrong (red line in calendar is one hour behind). Appointments are getting messed up with this as well.
Has anyone seen a patch or know of a fix for this? My system is current to today.
Thanks
Norm

Update -- this is from the Evolution mailing list:
Heya,
Evolution uses it's opwn time zone data. Update Evolution package ,
restart and check again.
On Mon, 2007-03-12 at 19:31 -0400, Paul Smith wrote:
> Something is weird. I have my timezone set to America/New_York in
> Evolution and on my system. I'm using Ubuntu 6.10 with full updates,
> with Evo 2.8.1.
>
> After the timechange on Sunday, my entire system had the right time,
> EXCEPT Evolution. The little red line in the Calendar was 1 hour
> behind.
>
> I exited and restarted Evo, but that didn't help. I logged out and back
> in, and that didn't help. I rebooted my system, and THAT didn't help.
> My system clock and the clock on all apps I've checked is correct, but
> Evo calendar still says it's quarter after 9am instead of quarter after
> 10am.
>
> Is Evo using its own internal timezone calculations instead of the
> system timezone for some utterly bizarre reason? What could be causing
> this?!?!
>
I'm up to date though -- where is the new update for this?
Norm

LR4 save to xmp has the wrong timezone adjustment for xmp:MetadataDate

After installing LR4 and converting a catalogue, I saved the metadata for an image in LR4 and did the same for the same image in LR3.6 (on a different machine).
The value for xmp:MetadataDate written by LR4 seems to be wrong. My timezone is UTC+8h for Western Australia. Here is an extract from the xmp file written by LR4:
   xmp:CreatorTool="Ver.1.00"
   xmp:ModifyDate="2012-03-03T18:10:27.00"
   xmp:CreateDate="2012-03-03T18:10:27.00"
   xmp:MetadataDate="2012-03-09T08:03:17+08:00"
Note the MetadataDate is my local time + 8h (I saved just after 8am). The timezone offset should be -8h.
On my laptop, I repeated this with LR3.6 and the ame extract from the xmp file it wrote is:
   xmp:CreatorTool="Ver.1.00"
   xmp:ModifyDate="2012-03-09T08:54:51.475-08:00"
   xmp:CreateDate="2012-03-03T18:10:27.00"
   xmp:MetadataDate="2012-03-09T08:54:51.475-08:00"
LR3.6 adjusts both the ModifyDate and the MetadataDate by -8h, which is correct if the time is meant to be UTC.
Why LR3.6 has changed the ModifyDate to the time that the xmp file was written, I'm not sure - LR$ doesn't and I wouldn't expect it to either since the raw file (NEF in my case) isn't modified.
Looks like a bug in LR4 regarding the MetadataDate written to the xmp file.

I'm confused -- you say "my timezone is UTC+8h for Western Australia". That is, if it's 13:00 local time in London, it is 21:00 local time in Western Australia.
Thus, 08:00 local time in Western Australia should appear in the XMP timestamp as 08:00:00+08:00. (That's how the timestamps are defined.) So it sure seems to me that LR 4 is doing the right thing.
LR 3.5 had a bug in which the signs in the XMP:MetadataData fields got reversed:
http://feedback.photoshop.com/photoshop_family/topics/xmp_metadatadate_has_wrong_time_zone
Though LR 3.6 claimed to have fixed that bug, I didn't verify, and I don't see anyone else who verified.

SharePoint 2010 Present Wrong Timezone for External List of External Content Type

External content is hosted on an independent SQL server DB from the SharePoint server. External content lists shows datetime fields 5 hours earlier as opposed to Eastern standard time but Web parts display data correctly.
Yes, timezones on both servers are correct. Timezones settings in SharePoint have been checked and all appear correct. There are several places for settings. Is there a checklist in case something was missed. Our SharePoint administrator has
looked for the cause and cannot determine.
I poured through other blogs and issues with external content and timezone on this site including "External Content Type Saving Dates in UTC".
Please provide a list for timezone settings such as global settings for a site, collection, external content, SharePoint 2010 designer settings, Central Administration settings, etc.

Hi Benjamin,
Please test the following approach for your issue, exporting the BDC Metadata Model from SharePoint Designer and change the normalization to use local time, and let us know the results.
http://sharepoint.stackexchange.com/questions/91516/timestamp-in-sharepoint-external-content-type-not-matching-value-in-sql-table
http://www.shillier.com/archive/2010/09/01/why-are-my-date-fields-wrong-in-business-connectivity-servces.aspx
https://calshare.berkeley.edu/Blog/Lists/Posts/Post.aspx?ID=9
Thanks
Daniel Yang
TechNet Community Support

Web calender 10.8 wrong timezone

Does anybody know how You get the right timezone in the web calender (os x 10.8 server) I manually change it to GMT+1. If I log off and the login it still has the changed timezone, but it seems if I remove cookies the timezone revert to old settings... I thouhgt this was saved on the server I am acceessing it is very irritating....I know this was a problem in lion.
If You have any ideas pls let me know
/JF

Better I might missunderstand You but the problem is not from the Icloud.com side but from the web calender mountain lion server, where You have the possibility to add timezone/start of week and so on... I don't think that these applications are connected or am i wrong ??

Wrong Timezone

My MacBook Pro thinks it is in Paris (I'm actually in the US) and set my timezone to Central European Time. My Mom's iPad was doing the exact same thing. How do I fix this?

I found that even though the correct time and time zone where set on my iPhone, it depended on what my iTunes account time zone was set to. I had relocated country recently, and because I had to open a new iTunes account in my new country of residence, my iPhone alarms and calendar reminders would pop up depending on what iTunes account I happened to be singed in with. So I closed my old iTunes account, and thus elimiated the problem of accidentally singing in with my old itunes account that was set to a different time zone. So all in all, maybe check and see what time zone your iTunes account is set to.

Wrong timezone settings for Perth, Western Austral...

I have seen in multiple places that Perth is configured as GMT+9. This is WRONG. It should be GMT+8 and is causing havoc with my sync, calendar, etc.

It is a known issue and has been fixed in some software, in the mean time why not go to clock settings and set the time to automatic update, that way it will sync with the network time so if you fly to a different time zone your clock will be updated automatically.As i don't know what model you have it might be a different setting in your handset.
All opinions expressed are the author's own and do not necessarily represent the official view of Nokia.

Date Picker shows displays wrong timezone after Apex 2.2 upgrade

After upgrading from 2.0 to 2.2, all date pickers in all applications now display the time in GMT instead of GMT - 7.
For example: before upgrade 08/03/2006 9:00 -- after upgrade 08/03/2006 16:00.
The date and time on the server is set to GMT - 7. The database displays GMT - 7 in all other non-Apex apps.
I suspect there's a global preference that needs resetting, but I can't find it.
Cheers,
Jaime

Hi Jaime,
What you are witnessing is a feature and not a bug. Shame on us for not making this change in behavior more prominent. But this feature ultimately emanated from the posting at:
Re: Date Picker and timzone
In Application Express 2.2, if you are using a DatePicker, the current date and time will be computed based upon LOCALTIMESTAMP. LOCALTIMESTAMP is time zone aware. By default, it will use the database's time zone.
To control the user's time zone setting in your application, you could add a before-header application-level process (and, ultimately, another one on Submit) to issue a PL/SQL statement like:
execute immediate 'alter session set time_zone = ''America/New_York'' ';Note:
1) Those are sets of two single-quotes around America/New_York, not double-quotes
2) Obviously, you'd replace America/New_York with your favorite time zone. The full list is at:
http://download-west.oracle.com/docs/cd/B19306_01/server.102/b14225/applocaledata.htm#sthref2012
As a quick demonstration, run the following block in SQL Commands on apex.oracle.com or your favorite APEX instance:
begin
    dbms_output.put_line( 'LocalTimestamp Before: ' || localtimestamp );
    execute immediate 'alter session set time_zone = ''America/New_York'' ';
    dbms_output.put_line( 'LocalTimestamp After: ' || localtimestamp );
end;
/I hope this helps.
Joel

OMS 12c wrong timezone

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