How to write query to get common records from two tables in dates between 1st to 29th

Hi,
I have two databases. For ex(DB1 and DB2).
In DB1 i have a table Table1 and in DB2 i have a table Table2.
Now, i need to get the common records from two tables in dates between 1st to 29th.
So, how can i write the query.
Thanks in advance.
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