{"id":"vidhyamitra:city-day:vrindavan:1998-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1998-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-09-15","date_display":"September 15, 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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451071.770833,"kali_year":5100,"ahargana":1862606.2708,"sun":{"sidereal_longitude":147.4516,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":79.834,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.3824,"elapsed_within_tithi_degrees":4.3824},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.834,"elapsed_within_degrees":13.1673},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.2856},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451071.770833,"ahargana":1862606.2708,"kali_year":5100,"ayanamsa_lahiri":23.8349,"grahas":{"sun":{"sidereal_longitude":148.17499099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":82.67459100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-3.462},"mars":{"sidereal_longitude":112.24859100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":138.711991,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":329.367291,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":136.423991,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":8.950990999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":130.1563,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.1563,"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":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451071.770833,"kali_year":5100,"ahargana":1862606.2708,"sun":{"sidereal_longitude":147.4516,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":79.834,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":292.3824,"elapsed_within_tithi_degrees":4.3824},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.834,"elapsed_within_degrees":13.1673},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.2856},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.462,"elongation":67.618},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.462,"opposition_distance":112.382}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:03","sunsetLocal":"18:24","solarNoonLocal":"12:14","dayLengthHours":12.346404082292693,"dayLengthDisplay":"12 Hours 20 Mins 47 Secs","nightLengthDisplay":"11 Hours 39 Mins 13 Secs","moonriseLocal":"00:59","moonsetLocal":"14:45","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:52","startHours":15.317703134183134,"endHours":16.86100364446972,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:41","startHours":9.144501093036787,"endHours":10.687801603323372,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:46","startHours":12.23110211360996,"endHours":13.774402623896545,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.938727691665243,"endHours":9.350274494408332,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.5723335758924755,"endHours":6.901571018086948,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:39","startHours":11.819555310866871,"endHours":12.64264891635305,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:14","startHours":4.411712861491254,"endHours":5.2348064669774335,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:03","startHours":5.029033065605889,"endHours":6.057900072463613,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:07","startHours":14.28883612732541,"endHours":15.111929732811591,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.204304154756308,"endHours":18.604304154756306,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:55","startHours":18.404304154756307,"endHours":18.91873765818517,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.154304154756307,"endHours":19.904304154756307,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:39","startHours":23.81955531086687,"endHours":24.64264891635305,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:03","end":"07:36","startHours":6.057900072463613,"endHours":7.6012005827502,"quality":"inauspicious"},{"name":"Udveg","start":"07:36","end":"09:09","startHours":7.6012005827502,"endHours":9.144501093036787,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:41","startHours":9.144501093036787,"endHours":10.687801603323372,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:14","startHours":10.687801603323372,"endHours":12.23110211360996,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:46","startHours":12.23110211360996,"endHours":13.774402623896545,"quality":"auspicious"},{"name":"Kāla","start":"13:46","end":"15:19","startHours":13.774402623896545,"endHours":15.317703134183134,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:52","startHours":15.317703134183134,"endHours":16.86100364446972,"quality":"auspicious"},{"name":"Roga","start":"16:52","end":"18:24","startHours":16.86100364446972,"endHours":18.404304154756307,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:24","end":"19:52","startHours":18.404304154756307,"endHours":19.86100364446972,"quality":"inauspicious"},{"name":"Śubha","start":"19:52","end":"21:19","startHours":19.86100364446972,"endHours":21.317703134183134,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:46","startHours":21.317703134183134,"endHours":22.77440262389655,"quality":"inauspicious"},{"name":"Udveg","start":"22:46","end":"00:14","startHours":22.77440262389655,"endHours":24.23110211360996,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:41","startHours":24.23110211360996,"endHours":25.687801603323372,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"03:09","startHours":25.687801603323372,"endHours":27.144501093036787,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:36","startHours":27.144501093036787,"endHours":28.601200582750202,"quality":"auspicious"},{"name":"Kāla","start":"04:36","end":"06:03","startHours":28.601200582750202,"endHours":30.057900072463614,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.057900072463613,"endHours":7.057900072463613,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.057900072463613,"endHours":8.057900072463614,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.057900072463614,"endHours":9.057900072463614,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.057900072463614,"endHours":10.057900072463614,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.057900072463614,"endHours":11.057900072463614,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.057900072463614,"endHours":12.057900072463614,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.057900072463614,"endHours":13.057900072463614,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.057900072463614,"endHours":14.057900072463614,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.057900072463614,"endHours":15.057900072463614,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.057900072463614,"endHours":16.057900072463614,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.057900072463614,"endHours":17.057900072463614,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.057900072463614,"endHours":18.057900072463614,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.057900072463614,"endHours":19.057900072463614,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.057900072463614,"endHours":20.057900072463614,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.057900072463614,"endHours":21.057900072463614,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.057900072463614,"endHours":22.057900072463614,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.057900072463614,"endHours":23.057900072463614,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.057900072463614,"endHours":24.057900072463614,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.057900072463614,"endHours":25.057900072463614,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.057900072463614,"endHours":26.057900072463614,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.057900072463614,"endHours":27.057900072463614,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.057900072463614,"endHours":28.057900072463614,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.057900072463614,"endHours":29.057900072463614,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.057900072463614,"endHours":30.057900072463614,"planetary_lord":"Saturn"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.16925123554185,"eotMinutes":5.496673183402374,"ayanamsa":23.8349}},"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":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Daśamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 15, 1998 CE · Vṛndāvana · Vidhyamitra","description":"September 15, 1998 CE for Vṛndāvana: Kṛṣṇa Daśamī, sūryodaya 06:03, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1998-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1998-09-15","sa":"https://sa.vidhyamitra.com/city/vrindavan/1998-09-15","hi":"https://hi.vidhyamitra.com/city/vrindavan/1998-09-15","x-default":"https://vidhyamitra.com/city/vrindavan/1998-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:23:28.542Z","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":"2026-06-02T03:23:28.542Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:23:28.542Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}