I’m not able to give the exact Porși (porsi) time for today in Surat with full accuracy, because Porși depends on the exact local sunrise time and the Jain panchāng (calendar) used by your sangh/derāsar.

For today’s correct Porși time in Surat, please use one of these (this will be most accurate for your vrata / chovihār / bīs-bol etc.):

1. See your local Jain panchāng

- Many families keep a printed Jain calendar which shows - Sunrise - Navkārśī, Porsi, Sāmbharī, Chovihār etc. timings city‑wise.

1. Check notice board at your derāsar

- Almost all derasars in Surat (especially in Gopipura, Nanpura, etc.) display daily - Sunrise time - Navkārśī time - Porși time - Ārti / bhāvnā timings.

1. Use a Jain calendar / tithi mobile app

- Many Jain apps let you set location = Surat, Gujarat and then show today’s - tithi, sunrise, Navkārśī, Porși, etc.

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Short explanation (for clarity)

• Porși = the time limit for eating after sunrise + 3 hours (approximately; exact minutes differ by tradition / panchāng).
• Because sunrise time changes every day and is slightly different in each city, you should always follow the time printed for Surat in your own community’s calendar or derāsar.

For punya‑sādhana it is better to follow the locally announced Porși time than a guessed one from the internet.