{"id":"vidhyamitra:city-day:surat:2001-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/2001-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-01-17","date_display":"January 17, 2001 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":2001,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451926.770833,"kali_year":5102,"ahargana":1863461.2708,"sun":{"sidereal_longitude":273.0297,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.904,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8743,"elapsed_within_tithi_degrees":8.8743},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.904,"elapsed_within_degrees":12.5706},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.9337},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2001,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451926.770833,"ahargana":1863461.2708,"kali_year":5102,"ayanamsa_lahiri":23.8676,"grahas":{"sun":{"sidereal_longitude":273.126124,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":189.38722400000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":4.4164},"mars":{"sidereal_longitude":200.30242399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":286.910124,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":37.406724,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":320.19662399999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.158924000000013,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":84.8543,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.8543,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"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":2001,"month":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451926.770833,"kali_year":5102,"ahargana":1863461.2708,"sun":{"sidereal_longitude":273.0297,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":185.904,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.8743,"elapsed_within_tithi_degrees":8.8743},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.904,"elapsed_within_degrees":12.5706},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.9337},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.416,"elongation":87.126},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.416,"opposition_distance":92.874}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":0.182,"opposition_distance":1.705}]},"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"tier2":{"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"sunriseLocal":"07:19","sunsetLocal":"18:19","solarNoonLocal":"12:49","dayLengthHours":11.003237734128358,"dayLengthDisplay":"11 Hours 00 Mins 12 Secs","nightLengthDisplay":"12 Hours 59 Mins 48 Secs","moonriseLocal":"01:31","moonsetLocal":"12:56","rahuKala":{"name":"Rāhu Kāla","start":"12:49","end":"14:11","startHours":12.811694812435144,"endHours":14.18709952920119,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:41","end":"10:04","startHours":8.68548066213701,"endHours":10.060885378903055,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:26","end":"12:49","startHours":11.436290095669099,"endHours":12.811694812435144,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:15","startHours":9.877498083334249,"endHours":10.24427267447186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:04","startHours":7.768544184292979,"endHours":8.06196385720307,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:11","startHours":12.444920221297533,"endHours":13.178469403572755,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:35","startHours":5.842977580820517,"endHours":6.576526763095741,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:19","startHours":6.393139467526935,"endHours":7.310075945370965,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:23","startHours":14.645567768123204,"endHours":15.379116950398428,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.113313679499324,"endHours":18.513313679499323,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:46","startHours":18.313313679499323,"endHours":18.77178191842134,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.063313679499323,"endHours":19.813313679499323,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:11","startHours":24.44492022129753,"endHours":25.178469403572755,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:19","end":"08:41","startHours":7.310075945370965,"endHours":8.68548066213701,"quality":"auspicious"},{"name":"Amṛta","start":"08:41","end":"10:04","startHours":8.68548066213701,"endHours":10.060885378903055,"quality":"auspicious"},{"name":"Kāla","start":"10:04","end":"11:26","startHours":10.060885378903055,"endHours":11.436290095669099,"quality":"inauspicious"},{"name":"Śubha","start":"11:26","end":"12:49","startHours":11.436290095669099,"endHours":12.811694812435144,"quality":"auspicious"},{"name":"Roga","start":"12:49","end":"14:11","startHours":12.811694812435144,"endHours":14.18709952920119,"quality":"inauspicious"},{"name":"Udveg","start":"14:11","end":"15:34","startHours":14.18709952920119,"endHours":15.562504245967233,"quality":"inauspicious"},{"name":"Chala","start":"15:34","end":"16:56","startHours":15.562504245967233,"endHours":16.937908962733278,"quality":"neutral"},{"name":"Labha","start":"16:56","end":"18:19","startHours":16.937908962733278,"endHours":18.313313679499323,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:19","end":"19:56","startHours":18.313313679499323,"endHours":19.937908962733278,"quality":"inauspicious"},{"name":"Chala","start":"19:56","end":"21:34","startHours":19.937908962733278,"endHours":21.562504245967233,"quality":"neutral"},{"name":"Labha","start":"21:34","end":"23:11","startHours":21.562504245967233,"endHours":23.18709952920119,"quality":"auspicious"},{"name":"Amṛta","start":"23:11","end":"00:49","startHours":23.18709952920119,"endHours":24.811694812435142,"quality":"auspicious"},{"name":"Kāla","start":"00:49","end":"02:26","startHours":24.811694812435142,"endHours":26.4362900956691,"quality":"inauspicious"},{"name":"Śubha","start":"02:26","end":"04:04","startHours":26.4362900956691,"endHours":28.060885378903055,"quality":"auspicious"},{"name":"Roga","start":"04:04","end":"05:41","startHours":28.060885378903055,"endHours":29.68548066213701,"quality":"inauspicious"},{"name":"Udveg","start":"05:41","end":"07:19","startHours":29.68548066213701,"endHours":31.310075945370965,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.310075945370965,"endHours":8.310075945370965,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.310075945370965,"endHours":9.310075945370965,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.310075945370965,"endHours":10.310075945370965,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.310075945370965,"endHours":11.310075945370965,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.310075945370965,"endHours":12.310075945370965,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.310075945370965,"endHours":13.310075945370965,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.310075945370965,"endHours":14.310075945370965,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.310075945370965,"endHours":15.310075945370965,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.310075945370965,"endHours":16.310075945370965,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.310075945370965,"endHours":17.310075945370965,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.310075945370965,"endHours":18.310075945370965,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.310075945370965,"endHours":19.310075945370965,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.310075945370965,"endHours":20.310075945370965,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.310075945370965,"endHours":21.310075945370965,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.310075945370965,"endHours":22.310075945370965,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.310075945370965,"endHours":23.310075945370965,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.310075945370965,"endHours":24.310075945370965,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.310075945370965,"endHours":25.310075945370965,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.310075945370965,"endHours":26.310075945370965,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.310075945370965,"endHours":27.310075945370965,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.310075945370965,"endHours":28.310075945370965,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.310075945370965,"endHours":29.310075945370965,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.310075945370965,"endHours":30.310075945370965,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.310075945370965,"endHours":31.310075945370965,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.756798455205782,"eotMinutes":-10.026088746108654,"ayanamsa":23.8676}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"surat"},"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, 2001 CE · Surat, Gujarat · Vidhyamitra","description":"January 17, 2001 CE for Surat, Gujarat: Kṛṣṇa Aṣṭamī, sūryodaya 07:19, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/2001-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/2001-01-17","sa":"https://sa.vidhyamitra.com/city/surat/2001-01-17","hi":"https://hi.vidhyamitra.com/city/surat/2001-01-17","x-default":"https://vidhyamitra.com/city/surat/2001-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:36:19.780Z","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":"2026-06-03T02:36:19.780Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:36:19.780Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}