Return data from a specific time period

there is also this, however stupid it may look, gets me data since start and end of july, so one month ago and also will be updated as months pass by

issued_at >= date_trunc('month', current_date) - interval '1 month'
and issued_at < date_trunc('month', current_date) - interval '0 month'

I also need help with another subject, can you check?