{"id":"vidhyamitra:city-day:mathura:2097-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2097-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2097-01-17","date_display":"January 17, 2097 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2097,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2486990.770833,"kali_year":5198,"ahargana":1898525.2708,"sun":{"sidereal_longitude":272.1668,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":313.2474,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.0806,"elapsed_within_tithi_degrees":5.0806},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.2474,"elapsed_within_degrees":6.5807},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.4142},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2097,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2486990.770833,"ahargana":1898525.2708,"kali_year":5198,"ayanamsa_lahiri":25.2087,"grahas":{"sun":{"sidereal_longitude":272.494921,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":311.969021,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-4.3198},"mars":{"sidereal_longitude":209.286921,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":253.13862100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":76.81422099999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":314.53122099999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":141.917421,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":26.9948,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":206.9948,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2097,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2486990.770833,"kali_year":5198,"ahargana":1898525.2708,"sun":{"sidereal_longitude":272.1668,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":313.2474,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.0806,"elapsed_within_tithi_degrees":5.0806},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.2474,"elapsed_within_degrees":6.5807},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.4142},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.32,"elongation":41.081},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.32,"opposition_distance":138.919}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:10","sunsetLocal":"17:48","solarNoonLocal":"12:29","dayLengthHours":10.630700732501632,"dayLengthDisplay":"10 Hours 37 Mins 51 Secs","nightLengthDisplay":"13 Hours 22 Mins 09 Secs","moonriseLocal":"09:23","moonsetLocal":"20:51","rahuKala":{"name":"Rāhu Kāla","start":"13:49","end":"15:09","startHours":13.81769240399785,"endHours":15.146529995560554,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:10","end":"08:30","startHours":7.17350444618433,"endHours":8.502342037747034,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:10","startHours":9.831179629309737,"endHours":11.160017220872442,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.654001283768043,"endHours":10.008357974851432,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.616450310038564,"endHours":7.899935662905274,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.134498121351758,"endHours":12.843211503518532,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.756077681850779,"endHours":6.464791064017554,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.28761271847586,"endHours":7.17350444618433,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:58","startHours":14.260638267852084,"endHours":14.96935165001886,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.604205178685962,"endHours":18.00420517868596,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.80420517868596,"endHours":18.247151042540196,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.55420517868596,"endHours":19.30420517868596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.134498121351754,"endHours":24.843211503518532,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:10","end":"08:30","startHours":7.17350444618433,"endHours":8.502342037747034,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:50","startHours":8.502342037747034,"endHours":9.831179629309737,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:10","startHours":9.831179629309737,"endHours":11.160017220872442,"quality":"inauspicious"},{"name":"Chala","start":"11:10","end":"12:29","startHours":11.160017220872442,"endHours":12.488854812435147,"quality":"neutral"},{"name":"Labha","start":"12:29","end":"13:49","startHours":12.488854812435147,"endHours":13.81769240399785,"quality":"auspicious"},{"name":"Amṛta","start":"13:49","end":"15:09","startHours":13.81769240399785,"endHours":15.146529995560554,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:29","startHours":15.146529995560554,"endHours":16.47536758712326,"quality":"inauspicious"},{"name":"Śubha","start":"16:29","end":"17:48","startHours":16.47536758712326,"endHours":17.80420517868596,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:48","end":"19:29","startHours":17.80420517868596,"endHours":19.47536758712326,"quality":"auspicious"},{"name":"Kāla","start":"19:29","end":"21:09","startHours":19.47536758712326,"endHours":21.146529995560552,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:49","startHours":21.146529995560552,"endHours":22.81769240399785,"quality":"auspicious"},{"name":"Roga","start":"22:49","end":"00:29","startHours":22.81769240399785,"endHours":24.488854812435147,"quality":"inauspicious"},{"name":"Udveg","start":"00:29","end":"02:10","startHours":24.488854812435147,"endHours":26.16001722087244,"quality":"inauspicious"},{"name":"Chala","start":"02:10","end":"03:50","startHours":26.16001722087244,"endHours":27.831179629309737,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:30","startHours":27.831179629309737,"endHours":29.502342037747034,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:10","startHours":29.502342037747034,"endHours":31.17350444618433,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.17350444618433,"endHours":8.17350444618433,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.17350444618433,"endHours":9.17350444618433,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.17350444618433,"endHours":10.17350444618433,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.17350444618433,"endHours":11.17350444618433,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.17350444618433,"endHours":12.17350444618433,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.17350444618433,"endHours":13.17350444618433,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.17350444618433,"endHours":14.17350444618433,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.17350444618433,"endHours":15.17350444618433,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.17350444618433,"endHours":16.17350444618433,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.17350444618433,"endHours":17.17350444618433,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.17350444618433,"endHours":18.17350444618433,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.17350444618433,"endHours":19.17350444618433,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.17350444618433,"endHours":20.17350444618433,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.17350444618433,"endHours":21.17350444618433,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.17350444618433,"endHours":22.17350444618433,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.17350444618433,"endHours":23.17350444618433,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.17350444618433,"endHours":24.17350444618433,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.17350444618433,"endHours":25.17350444618433,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.17350444618433,"endHours":26.17350444618433,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.17350444618433,"endHours":27.17350444618433,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.17350444618433,"endHours":28.17350444618433,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.17350444618433,"endHours":29.17350444618433,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.17350444618433,"endHours":30.17350444618433,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.17350444618433,"endHours":31.17350444618433,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.618146801936074,"eotMinutes":-10.026088746108654,"ayanamsa":25.2087}},"calendars":{"vikram_samvat":2154,"vikram_samvatsara":"Pramoda","saka_samvat":2019,"saka_samvatsara":"Piṅgala","bengali_samvat":1504,"malayalam_era":1273,"nanakshahi_year":628,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2154 Pramoda · Śaka 2019 Piṅgala"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 17, 2097 CE · Mathurā · Vidhyamitra","description":"January 17, 2097 CE for Mathurā: Śukla Caturthī, sūryodaya 07:10, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2097-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2097-01-17","sa":"https://sa.vidhyamitra.com/city/mathura/2097-01-17","hi":"https://hi.vidhyamitra.com/city/mathura/2097-01-17","x-default":"https://vidhyamitra.com/city/mathura/2097-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:32:44.330Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-14T18:32:44.330Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:32:44.330Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}