Date in Oracle 10g

Hi,
OS:- HP-UX B.11.11
DATABASE:- Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
When I check the date on OS using DATE command:
17:14:05 IST
When I check in database using following query: select to_char(sysdate,'DD/MM/RRRR HH24:MI:SS') from dual;
17:12:33
Can please explain the reason why the db date is running 2 mins back than os ?
How do I synchronise them ?
Vinitaa

Hi, Vintaa,
Different machines have different clocks.
When you use the OS DATE command, you're looking at the clock on your client machine.
When you use SYSDATE in Oracle, you're looking at the clock on the database server.
Unless you're doing something to synchronize then two, you can expect them to be different. Even if they were once identical, you can expect them to gradually become different.

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