Answer

In most Jain observances, Starbucks coffee is generally not considered appropriate during Paryushan, especially if you are observing upvas, aayambil, ekasana, biyasana, or other restraints.

Explanation

Paryushan is a very sacred time for:

• Self-restraint
• Tapa
• Pratikraman
• Reduction of worldly indulgence

Coffee is usually avoided because:

• It is seen as a stimulating drink, not a sattvik or restraint-based choice.
• It may not fit the spirit of simplicity and vairagya during Paryushan.
• If you are fasting or taking vows, coffee is generally not included in those observances.

However, Jain practice can vary by sect, family tradition, and local guidance. So the strictness may differ.

Spiritual Understanding

Paryushan is not only about external food restrictions. It is mainly about:

• Controlling the senses
• Reducing attachment
• Purifying thoughts and conduct
• Practicing forgiveness and inner discipline

So even if coffee is not explicitly mentioned in every tradition, many Jains avoid it because it does not align with the spirit of renunciation during these holy days.

Takeaway

If you want to observe Paryushan in a traditional and disciplined Jain way, it is better to avoid Starbucks coffee during that period. For the exact observance, follow your family tradition or the guidance of your guru/acharya.