For today (20 March 2026) in Surat, Gujarat:

• Sunrise is around: 6:44 am
• Navkārśī begins about 48 minutes after sunrise:

So, for today you should take Navkārśī after about 7:30 am (and before the Porsī time, which is roughly up to 9:45–10:00 am).

Different Jain sanghs sometimes follow slightly different printed पंचांग / time-tables, so for exact minutes it is best to confirm with:

• Your local Jain calendar (पंचांग), or
• The time chart displayed in your nearby derāsar.