In Jainism, the Hindu lunar calendar is often used to determine important dates for festivals, rituals, and religious observances. "Paush Krishna Paksha Dashami" refers to the 10th day (Dashami) of the waning phase (Krishna Paksha) of the lunar month of Paush.

Significance in Jainism:

• On this day, some Jains may observe fasts or special religious activities according to their individual vows (vratas) or family traditions.
• The Jain calendar marks certain tithis (lunar days) as significant for particular rituals, pratikraman (introspective repentance), or commemorating events from the lives of Tirthankaras or revered monks, but Paush Krishna Paksha Dashami does not have a universally fixed pan-Jain festival or event associated with it.
• However, in some Jain communities, specific tithis may be observed for “Shraddh” (remembrance of departed souls) or for the observance of “Aayambil” (a special type of fasting), depending on local customs.

If you have a particular Jain event or ritual in mind that falls on this date, please specify, and I can provide more detailed information.