{"id":"vidhyamitra:city-day:vrindavan:1986-09-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1986-09-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-09-28","date_display":"September 28, 1986 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":1986,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446701.770833,"kali_year":5088,"ahargana":1858236.2708,"sun":{"sidereal_longitude":160.2478,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":92.059,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.8112,"elapsed_within_tithi_degrees":3.8112},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.059,"elapsed_within_degrees":12.059},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.3068},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1986,"month":9,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446701.770833,"ahargana":1858236.2708,"kali_year":5088,"ayanamsa_lahiri":23.6678,"grahas":{"sun":{"sidereal_longitude":160.960057,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":91.85915699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":4.4999},"mars":{"sidereal_longitude":270.81085699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":177.557057,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":322.8030570000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":201.71785699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":221.131257,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":1.6999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.6999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446701.770833,"kali_year":5088,"ahargana":1858236.2708,"sun":{"sidereal_longitude":160.2478,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":92.059,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":291.8112,"elapsed_within_tithi_degrees":3.8112},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.059,"elapsed_within_degrees":12.059},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.3068},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":68.189},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":111.811}},"eclipse_window_40days":[{"offset_days":6,"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957}]},"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":11.997310511092913,"dayLengthDisplay":"11 Hours 59 Mins 50 Secs","nightLengthDisplay":"12 Hours 00 Mins 10 Secs","moonriseLocal":"00:44","moonsetLocal":"14:22","rahuKala":{"name":"Rāhu Kāla","start":"16:39","end":"18:09","startHours":16.652024949862888,"endHours":18.1516887637495,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:09","end":"13:39","startHours":12.153033508203045,"endHours":13.652697322089658,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:09","end":"16:39","startHours":15.152361135976273,"endHours":16.652024949862888,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.953750705244936,"endHours":9.353661055614698,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.654266190618793,"endHours":6.974194470914604,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:33","startHours":11.753123157833281,"endHours":12.552943858572808,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:21","startHours":4.554736851177534,"endHours":5.354557551917061,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:09","startHours":5.154602376732179,"endHours":6.154378252656588,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.152585260051863,"endHours":14.95240596079139,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.9516887637495,"endHours":18.3516887637495,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.1516887637495,"endHours":18.651576701711704,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.9016887637495,"endHours":19.6516887637495,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:33","startHours":23.75312315783328,"endHours":24.55294385857281,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:09","end":"07:39","startHours":6.154378252656588,"endHours":7.6540420665432025,"quality":"inauspicious"},{"name":"Chala","start":"07:39","end":"09:09","startHours":7.6540420665432025,"endHours":9.153705880429817,"quality":"neutral"},{"name":"Labha","start":"09:09","end":"10:39","startHours":9.153705880429817,"endHours":10.653369694316432,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:09","startHours":10.653369694316432,"endHours":12.153033508203045,"quality":"auspicious"},{"name":"Kāla","start":"12:09","end":"13:39","startHours":12.153033508203045,"endHours":13.652697322089658,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:09","startHours":13.652697322089658,"endHours":15.152361135976273,"quality":"auspicious"},{"name":"Roga","start":"15:09","end":"16:39","startHours":15.152361135976273,"endHours":16.652024949862888,"quality":"inauspicious"},{"name":"Udveg","start":"16:39","end":"18:09","startHours":16.652024949862888,"endHours":18.1516887637495,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:09","end":"19:39","startHours":18.1516887637495,"endHours":19.652024949862888,"quality":"auspicious"},{"name":"Roga","start":"19:39","end":"21:09","startHours":19.652024949862888,"endHours":21.15236113597627,"quality":"inauspicious"},{"name":"Udveg","start":"21:09","end":"22:39","startHours":21.15236113597627,"endHours":22.652697322089658,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"00:09","startHours":22.652697322089658,"endHours":24.153033508203045,"quality":"neutral"},{"name":"Labha","start":"00:09","end":"01:39","startHours":24.153033508203045,"endHours":25.65336969431643,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:09","startHours":25.65336969431643,"endHours":27.15370588042982,"quality":"auspicious"},{"name":"Kāla","start":"03:09","end":"04:39","startHours":27.15370588042982,"endHours":28.6540420665432,"quality":"inauspicious"},{"name":"Śubha","start":"04:39","end":"06:09","startHours":28.6540420665432,"endHours":30.15437825265659,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.154378252656588,"endHours":7.154378252656588,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.154378252656588,"endHours":8.154378252656588,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.154378252656588,"endHours":9.154378252656588,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.154378252656588,"endHours":10.154378252656588,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.154378252656588,"endHours":11.154378252656588,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.154378252656588,"endHours":12.154378252656588,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.154378252656588,"endHours":13.154378252656588,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.154378252656588,"endHours":14.154378252656588,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.154378252656588,"endHours":15.154378252656588,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.154378252656588,"endHours":16.15437825265659,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.15437825265659,"endHours":17.15437825265659,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.15437825265659,"endHours":18.15437825265659,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.15437825265659,"endHours":19.15437825265659,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.15437825265659,"endHours":20.15437825265659,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.15437825265659,"endHours":21.15437825265659,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.15437825265659,"endHours":22.15437825265659,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.15437825265659,"endHours":23.15437825265659,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.15437825265659,"endHours":24.15437825265659,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.15437825265659,"endHours":25.15437825265659,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.15437825265659,"endHours":26.15437825265659,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.15437825265659,"endHours":27.15437825265659,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.15437825265659,"endHours":28.15437825265659,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.15437825265659,"endHours":29.15437825265659,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.15437825265659,"endHours":30.15437825265659,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.8389639243790454,"eotMinutes":10.180789507817288,"ayanamsa":23.6678}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"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 Daśamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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, 1986 CE · Vṛndāvana · Vidhyamitra","description":"September 28, 1986 CE for Vṛndāvana: Kṛṣṇa Daśamī, sūryodaya 06:09, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1986-09-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1986-09-28","sa":"https://sa.vidhyamitra.com/city/vrindavan/1986-09-28","hi":"https://hi.vidhyamitra.com/city/vrindavan/1986-09-28","x-default":"https://vidhyamitra.com/city/vrindavan/1986-09-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:59:50.602Z","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":"2026-06-03T09:59:50.602Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:59:50.602Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}