Change pi tag storage timestamp in bulk

Hello everyone!

 

I need your advice or help with the following:

 

In the current site, we need to change what is called "Operational Day".

 

Currently they range from 8:00 p.m. to 8:00 p.m. (24 hrs), all the logic in PI AF associated with KPI is saved at the beginning of the operational day, that is, at 8:00 p.m. (they are at least like 300 PI tags)

 

and now we need to change this schedule from 7 to 7 p.m. We need to move the entire history of these tags that have data saved at 20:00. Now they must have the data at 19:00 (same data but the timestamp must be changed to 1 hr less for these 300 tags).

 

It's like 2 years of history.

 

Any ideas on how to do this automatically? (programming)

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