Set polling time with BPEL and ESB File Adapters

We have create file adapters in BPEL and ESB. We see where you can set the frequency for polling but do not see a place to set the polling time. We would like it to check a directory every 24 hours at midnight. We can set the 24 hours but not the midnight. How does ESB and BPEL determine the time to run based upon the interval?

Oracle SOA is started, from the time the adapter is loaded, the interval counting starts. It is not on a particular time.
If you want to start a BPEL process on a certain time, you could use the quartz timer fucntionality of BPEL to start an instance on a particular time (like unix cron tab).
Marc

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