{"id":"vidhyamitra:city-day:vrindavan:1998-09-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1998-09-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-09-28","date_display":"September 28, 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":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451084.770833,"kali_year":5100,"ahargana":1862619.2708,"sun":{"sidereal_longitude":160.1448,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":244.5081,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.3633,"elapsed_within_tithi_degrees":0.3633},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.5081,"elapsed_within_degrees":4.5081},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.6528},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451084.770833,"ahargana":1862619.2708,"kali_year":5100,"ayanamsa_lahiri":23.8354,"grahas":{"sun":{"sidereal_longitude":160.88659400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":241.24769400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":4.0763},"mars":{"sidereal_longitude":120.348994,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":162.628694,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":327.662994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":152.58409400000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":8.189193999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":129.4675,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.4675,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"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":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451084.770833,"kali_year":5100,"ahargana":1862619.2708,"sun":{"sidereal_longitude":160.1448,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":244.5081,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.3633,"elapsed_within_tithi_degrees":0.3633},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":244.5081,"elapsed_within_degrees":4.5081},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.6528},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.076,"elongation":84.363},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.076,"opposition_distance":95.637}},"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":"06:09","sunsetLocal":"18:09","solarNoonLocal":"12:09","dayLengthHours":11.99471176431797,"dayLengthDisplay":"11 Hours 59 Mins 41 Secs","nightLengthDisplay":"12 Hours 00 Mins 19 Secs","moonriseLocal":"12:20","moonsetLocal":"22:41","rahuKala":{"name":"Rāhu Kāla","start":"07:39","end":"09:09","startHours":7.655016596583805,"endHours":9.154355567123552,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:39","end":"12:09","startHours":10.653694537663299,"endHours":12.153033508203045,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:09","startHours":13.652372478742791,"endHours":15.151711449282537,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.954443704384918,"endHours":9.354267429862183,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.655457282890641,"endHours":6.975316263272453,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:33","startHours":11.75320978272578,"endHours":12.55285723368031,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.556382724134997,"endHours":5.356030175089527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:09","startHours":5.156118312350895,"endHours":6.155677626044059,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.152152135589372,"endHours":14.951799586543903,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95038939036203,"endHours":18.35038939036203,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.15038939036203,"endHours":18.65016904720861,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.90038939036203,"endHours":19.65038939036203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:33","startHours":23.75320978272578,"endHours":24.55285723368031,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:09","end":"07:39","startHours":6.155677626044059,"endHours":7.655016596583805,"quality":"auspicious"},{"name":"Kāla","start":"07:39","end":"09:09","startHours":7.655016596583805,"endHours":9.154355567123552,"quality":"inauspicious"},{"name":"Śubha","start":"09:09","end":"10:39","startHours":9.154355567123552,"endHours":10.653694537663299,"quality":"auspicious"},{"name":"Roga","start":"10:39","end":"12:09","startHours":10.653694537663299,"endHours":12.153033508203045,"quality":"inauspicious"},{"name":"Udveg","start":"12:09","end":"13:39","startHours":12.153033508203045,"endHours":13.652372478742791,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:09","startHours":13.652372478742791,"endHours":15.151711449282537,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:39","startHours":15.151711449282537,"endHours":16.651050419822283,"quality":"auspicious"},{"name":"Amṛta","start":"16:39","end":"18:09","startHours":16.651050419822283,"endHours":18.15038939036203,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:09","end":"19:39","startHours":18.15038939036203,"endHours":19.651050419822283,"quality":"neutral"},{"name":"Labha","start":"19:39","end":"21:09","startHours":19.651050419822283,"endHours":21.151711449282537,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:39","startHours":21.151711449282537,"endHours":22.65237247874279,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"00:09","startHours":22.65237247874279,"endHours":24.153033508203045,"quality":"inauspicious"},{"name":"Śubha","start":"00:09","end":"01:39","startHours":24.153033508203045,"endHours":25.6536945376633,"quality":"auspicious"},{"name":"Roga","start":"01:39","end":"03:09","startHours":25.6536945376633,"endHours":27.154355567123552,"quality":"inauspicious"},{"name":"Udveg","start":"03:09","end":"04:39","startHours":27.154355567123552,"endHours":28.655016596583806,"quality":"inauspicious"},{"name":"Chala","start":"04:39","end":"06:09","startHours":28.655016596583806,"endHours":30.15567762604406,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.155677626044059,"endHours":7.155677626044059,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.155677626044059,"endHours":8.15567762604406,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.15567762604406,"endHours":9.15567762604406,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.15567762604406,"endHours":10.15567762604406,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.15567762604406,"endHours":11.15567762604406,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.15567762604406,"endHours":12.15567762604406,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.15567762604406,"endHours":13.15567762604406,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.15567762604406,"endHours":14.15567762604406,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.15567762604406,"endHours":15.15567762604406,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.15567762604406,"endHours":16.15567762604406,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.15567762604406,"endHours":17.15567762604406,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.15567762604406,"endHours":18.15567762604406,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.15567762604406,"endHours":19.15567762604406,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.15567762604406,"endHours":20.15567762604406,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.15567762604406,"endHours":21.15567762604406,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.15567762604406,"endHours":22.15567762604406,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.15567762604406,"endHours":23.15567762604406,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.15567762604406,"endHours":24.15567762604406,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.15567762604406,"endHours":25.15567762604406,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.15567762604406,"endHours":26.15567762604406,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.15567762604406,"endHours":27.15567762604406,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.15567762604406,"endHours":28.15567762604406,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.15567762604406,"endHours":29.15567762604406,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.15567762604406,"endHours":30.15567762604406,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.8763003216130218,"eotMinutes":10.180789507817288,"ayanamsa":23.8354}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","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 Śukla Aṣṭamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 28, 1998 CE · Vṛndāvana · Vidhyamitra","description":"September 28, 1998 CE for Vṛndāvana: Śukla Aṣṭamī, sūryodaya 06:09, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1998-09-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1998-09-28","sa":"https://sa.vidhyamitra.com/city/vrindavan/1998-09-28","hi":"https://hi.vidhyamitra.com/city/vrindavan/1998-09-28","x-default":"https://vidhyamitra.com/city/vrindavan/1998-09-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:52:33.195Z","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":"2026-05-31T17:52:33.195Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:52:33.195Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}