{"id":"vidhyamitra:city-day:thane:1998-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1998-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-09-17","date_display":"September 17, 1998 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":1998,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451073.770833,"kali_year":5100,"ahargana":1862608.2708,"sun":{"sidereal_longitude":149.3972,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":106.7078,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":317.3107,"elapsed_within_tithi_degrees":5.3107},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.7078,"elapsed_within_degrees":0.0412},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.105},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1998,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451073.770833,"ahargana":1862608.2708,"kali_year":5100,"ayanamsa_lahiri":23.835,"grahas":{"sun":{"sidereal_longitude":150.124615,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":108.57291499999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-1.7815},"mars":{"sidereal_longitude":113.50231500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":142.461115,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":329.10071500000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":138.905715,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":8.847915,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":130.0503,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.0503,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":1998,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451073.770833,"kali_year":5100,"ahargana":1862608.2708,"sun":{"sidereal_longitude":149.3972,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":106.7078,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":317.3107,"elapsed_within_tithi_degrees":5.3107},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.7078,"elapsed_within_degrees":0.0412},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.105},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.781,"elongation":42.689},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.781,"opposition_distance":137.311}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:25","sunsetLocal":"18:39","solarNoonLocal":"12:32","dayLengthHours":12.229310634180841,"dayLengthDisplay":"12 Hours 13 Mins 46 Secs","nightLengthDisplay":"11 Hours 46 Mins 14 Secs","moonriseLocal":"03:18","moonsetLocal":"16:13","rahuKala":{"name":"Rāhu Kāla","start":"14:04","end":"15:35","startHours":14.05946443334981,"endHours":15.588128262622416,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:25","end":"07:57","startHours":6.416145286986784,"endHours":7.944809116259389,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:28","end":"11:00","startHours":9.473472945531995,"endHours":11.0021367748046,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:41","startHours":9.26965110162898,"endHours":9.677294789435008,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:15","startHours":6.925699896744319,"endHours":7.2518148469891415,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:56","startHours":12.123156916271176,"endHours":12.938444291883231,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:36","startHours":4.785570535762671,"endHours":5.600857911374728,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:25","startHours":5.3970360674717135,"endHours":6.416145286986784,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:23","startHours":14.569019043107346,"endHours":15.384306418719403,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.445455921167625,"endHours":18.845455921167623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:09","startHours":18.645455921167624,"endHours":19.15501053092516,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.395455921167624,"endHours":20.145455921167624,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:56","startHours":24.123156916271174,"endHours":24.938444291883233,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:25","end":"07:57","startHours":6.416145286986784,"endHours":7.944809116259389,"quality":"auspicious"},{"name":"Roga","start":"07:57","end":"09:28","startHours":7.944809116259389,"endHours":9.473472945531995,"quality":"inauspicious"},{"name":"Udveg","start":"09:28","end":"11:00","startHours":9.473472945531995,"endHours":11.0021367748046,"quality":"inauspicious"},{"name":"Chala","start":"11:00","end":"12:32","startHours":11.0021367748046,"endHours":12.530800604077204,"quality":"neutral"},{"name":"Labha","start":"12:32","end":"14:04","startHours":12.530800604077204,"endHours":14.05946443334981,"quality":"auspicious"},{"name":"Amṛta","start":"14:04","end":"15:35","startHours":14.05946443334981,"endHours":15.588128262622416,"quality":"auspicious"},{"name":"Kāla","start":"15:35","end":"17:07","startHours":15.588128262622416,"endHours":17.116792091895018,"quality":"inauspicious"},{"name":"Śubha","start":"17:07","end":"18:39","startHours":17.116792091895018,"endHours":18.645455921167624,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:39","end":"20:07","startHours":18.645455921167624,"endHours":20.116792091895018,"quality":"auspicious"},{"name":"Kāla","start":"20:07","end":"21:35","startHours":20.116792091895018,"endHours":21.588128262622412,"quality":"inauspicious"},{"name":"Śubha","start":"21:35","end":"23:04","startHours":21.588128262622412,"endHours":23.05946443334981,"quality":"auspicious"},{"name":"Roga","start":"23:04","end":"00:32","startHours":23.05946443334981,"endHours":24.530800604077204,"quality":"inauspicious"},{"name":"Udveg","start":"00:32","end":"02:00","startHours":24.530800604077204,"endHours":26.002136774804598,"quality":"inauspicious"},{"name":"Chala","start":"02:00","end":"03:28","startHours":26.002136774804598,"endHours":27.473472945531995,"quality":"neutral"},{"name":"Labha","start":"03:28","end":"04:57","startHours":27.473472945531995,"endHours":28.94480911625939,"quality":"auspicious"},{"name":"Amṛta","start":"04:57","end":"06:25","startHours":28.94480911625939,"endHours":30.416145286986783,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.416145286986784,"endHours":7.416145286986784,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.416145286986784,"endHours":8.416145286986783,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.416145286986783,"endHours":9.416145286986783,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.416145286986783,"endHours":10.416145286986783,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.416145286986783,"endHours":11.416145286986783,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.416145286986783,"endHours":12.416145286986783,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.416145286986783,"endHours":13.416145286986783,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.416145286986783,"endHours":14.416145286986783,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.416145286986783,"endHours":15.416145286986783,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.416145286986783,"endHours":16.416145286986783,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.416145286986783,"endHours":17.416145286986783,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.416145286986783,"endHours":18.416145286986783,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.416145286986783,"endHours":19.416145286986783,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.416145286986783,"endHours":20.416145286986783,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.416145286986783,"endHours":21.416145286986783,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.416145286986783,"endHours":22.416145286986783,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.416145286986783,"endHours":23.416145286986783,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.416145286986783,"endHours":24.416145286986783,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.416145286986783,"endHours":25.416145286986783,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.416145286986783,"endHours":26.416145286986783,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.416145286986783,"endHours":27.416145286986783,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.416145286986783,"endHours":28.416145286986783,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.416145286986783,"endHours":29.416145286986783,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.416145286986783,"endHours":30.416145286986783,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.398710020205051,"eotMinutes":6.239563755367786,"ayanamsa":23.835}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvādaśī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4}],"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":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 17, 1998 CE · Thane, Maharashtra · Vidhyamitra","description":"September 17, 1998 CE for Thane, Maharashtra: Kṛṣṇa Dvādaśī, sūryodaya 06:25, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1998-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1998-09-17","sa":"https://sa.vidhyamitra.com/city/thane/1998-09-17","hi":"https://hi.vidhyamitra.com/city/thane/1998-09-17","x-default":"https://vidhyamitra.com/city/thane/1998-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:28:54.219Z","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":"2026-06-02T18:28:54.219Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:28:54.219Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}