For Surat today (Wednesday, 11 March 2026):

• Sunrise is around 6:52 am.
• Navkarshi is about 48 minutes after sunrise, so today it will be roughly at 7:40 am.

So, you should not eat or drink before about 7:40 am, and you may start your first intake (after Navkar Mantra) from that time onward.

This “48 minutes after sunrise” rule for Navkarshi is the standard Jain practice in both Śvetāmbara and Digambar traditions. You can read a simple explanation of Navkarshi timing here: