To answer about tithi (lunar date) and any special Jain event or kalyanak (auspicious event in the life of a Tirthankara), I would need to know the current tithi or date specifically. The significance of a day in Jainism—such as kalyanak, parva, or upvas—is based on the Jain lunar calendar.

Common kalyanaks celebrated in Jainism include:

• Chyavan Kalyanak (conception)
• Janma Kalyanak (birth)
• Diksha Kalyanak (renunciation)
• Kevalgyan Kalyanak (omniscience)
• Nirvan Kalyanak (liberation)

For example, Mahavir Janma Kalyanak (birth of Lord Mahavira) is celebrated on the 13th day of the bright half of Chaitra month (Chaitra Shukla Trayodashi).

If you provide the current tithi or date, I can share the corresponding Jain event or kalyanak associated with it, according to Jain tradition.