How long did it take Hercules to save Prometheus?

Hercules saved Prometheus as part of his Twelve Labors, specifically during his journey to retrieve the golden Apples of the Hesperides. While the exact duration of time it took Hercules to rescue Prometheus is not explicitly detailed in mythology, it is generally understood that this task occurred during his labors, which spanned several years. The rescue involved Hercules freeing Prometheus from his eternal punishment by slaying the eagle that tormented him, a task that was completed relatively quickly compared to the overall timeline of Hercules' labors.