Answer

If you mean Puchhisunam / Veer Stuti, the traditional time for its swadhyay or recitation is the first and last prahar of the day and night, while avoiding the aswadhyay periods. ( jainism-stotra.blogspot.com)

Explanation

One source identifies Puchhisunam as Veer Stuti connected with Bhagwan Mahavir and says it is taken from the Sutrakritanga. The Jain muhurt tradition says such sutras are studied during the first and last prahar of day and night, except during aswadhyay kaal. ( jainism-stotra.blogspot.com)

Takeaway

So, for the most traditional Jain practice, hear or recite it in the prescribed prahar timings. ( jainism-stotra.blogspot.com)