In Jainism, the term "Tirthankara" refers to a spiritual teacher who has achieved liberation (moksha) and helps others achieve the same. There are 24 Tirthankaras in this time cycle.

The 7th Tirthankara is Suparshvanatha.

Details about Suparshvanatha:

• Name: Suparshvanatha
• Symbol: Swastika
• Color: Green
• Birthplace: Varanasi (Banaras), Uttar Pradesh, India
• Parents: King Pratishtha (father) and Queen Prithvi (mother)
• Attained Keval Jnana (omniscience): Under a sal tree
• Nirvana (liberation): Shikharji (Parasnath Hill), Jharkhand, India

If you are referring to something specific about "7 days" related to the 7th Tirthankara, please clarify your question. Generally, Jain festivals or observances related to Tirthankaras include their birth (janma), renunciation (diksha), enlightenment (keval jnana), and liberation (nirvana) days, but there is no standard "7 days" festival specifically for Suparshvanatha in mainstream Jain practice.

If you would like to know about the important events in the life of Suparshvanatha or any specific rituals, please let me know!