{"id":"vidhyamitra:city-day:kolhapur:1986-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1986-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-10-17","date_display":"October 17, 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":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446720.770833,"kali_year":5088,"ahargana":1858255.2708,"sun":{"sidereal_longitude":179.0097,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.4125,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.4028,"elapsed_within_tithi_degrees":4.4028},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.4125,"elapsed_within_degrees":4.7458},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.4222},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446720.770833,"ahargana":1858255.2708,"kali_year":5088,"ayanamsa_lahiri":23.6685,"grahas":{"sun":{"sidereal_longitude":179.70863099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":350.807931,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-0.725},"mars":{"sidereal_longitude":280.9925310000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":203.82733099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":320.93663100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":207.02353100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":222.77933099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":0.6932,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":180.6932,"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":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446720.770833,"kali_year":5088,"ahargana":1858255.2708,"sun":{"sidereal_longitude":179.0097,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.4125,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.4028,"elapsed_within_tithi_degrees":4.4028},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.4125,"elapsed_within_degrees":4.7458},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.4222},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.725,"elongation":172.403},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.725,"opposition_distance":7.597}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957}]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:25","sunsetLocal":"18:10","solarNoonLocal":"12:18","dayLengthHours":11.750979863932395,"dayLengthDisplay":"11 Hours 45 Mins 04 Secs","nightLengthDisplay":"12 Hours 14 Mins 56 Secs","moonriseLocal":"17:33","moonsetLocal":"05:52","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:18","startHours":10.827783857641318,"endHours":12.296656340632868,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:42","startHours":15.234401306615966,"endHours":16.703273789607515,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:53","end":"09:22","startHours":7.890038891658219,"endHours":9.358911374649768,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.163061710250895,"endHours":9.554761039048643,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:13","startHours":6.9107905696638525,"endHours":7.22415003270205,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:41","startHours":11.904957011835121,"endHours":12.688355669430615,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:38","startHours":4.854369093475684,"endHours":5.637767751071177,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:25","startHours":5.441918086672303,"endHours":6.42116640866667,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:02","startHours":14.2551529846216,"endHours":15.038551642217092,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.972146272599065,"endHours":18.372146272599064,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:40","startHours":18.172146272599065,"endHours":18.66177043359625,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.922146272599065,"endHours":19.672146272599065,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:41","startHours":23.904957011835123,"endHours":24.688355669430614,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:25","end":"07:53","startHours":6.42116640866667,"endHours":7.890038891658219,"quality":"neutral"},{"name":"Labha","start":"07:53","end":"09:22","startHours":7.890038891658219,"endHours":9.358911374649768,"quality":"auspicious"},{"name":"Amṛta","start":"09:22","end":"10:50","startHours":9.358911374649768,"endHours":10.827783857641318,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:18","startHours":10.827783857641318,"endHours":12.296656340632868,"quality":"inauspicious"},{"name":"Śubha","start":"12:18","end":"13:46","startHours":12.296656340632868,"endHours":13.765528823624416,"quality":"auspicious"},{"name":"Roga","start":"13:46","end":"15:14","startHours":13.765528823624416,"endHours":15.234401306615966,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:42","startHours":15.234401306615966,"endHours":16.703273789607515,"quality":"inauspicious"},{"name":"Chala","start":"16:42","end":"18:10","startHours":16.703273789607515,"endHours":18.172146272599065,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:10","end":"19:42","startHours":18.172146272599065,"endHours":19.703273789607515,"quality":"inauspicious"},{"name":"Udveg","start":"19:42","end":"21:14","startHours":19.703273789607515,"endHours":21.234401306615965,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:46","startHours":21.234401306615965,"endHours":22.765528823624415,"quality":"neutral"},{"name":"Labha","start":"22:46","end":"00:18","startHours":22.765528823624415,"endHours":24.296656340632868,"quality":"auspicious"},{"name":"Amṛta","start":"00:18","end":"01:50","startHours":24.296656340632868,"endHours":25.827783857641318,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:22","startHours":25.827783857641318,"endHours":27.358911374649768,"quality":"inauspicious"},{"name":"Śubha","start":"03:22","end":"04:53","startHours":27.358911374649768,"endHours":28.89003889165822,"quality":"auspicious"},{"name":"Roga","start":"04:53","end":"06:25","startHours":28.89003889165822,"endHours":30.42116640866667,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.42116640866667,"endHours":7.42116640866667,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.42116640866667,"endHours":8.42116640866667,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.42116640866667,"endHours":9.42116640866667,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.42116640866667,"endHours":10.42116640866667,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.42116640866667,"endHours":11.42116640866667,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.42116640866667,"endHours":12.42116640866667,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.42116640866667,"endHours":13.42116640866667,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.42116640866667,"endHours":14.42116640866667,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.42116640866667,"endHours":15.42116640866667,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.42116640866667,"endHours":16.42116640866667,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.42116640866667,"endHours":17.42116640866667,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.42116640866667,"endHours":18.42116640866667,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.42116640866667,"endHours":19.42116640866667,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.42116640866667,"endHours":20.42116640866667,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.42116640866667,"endHours":21.42116640866667,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.42116640866667,"endHours":22.42116640866667,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.42116640866667,"endHours":23.42116640866667,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.42116640866667,"endHours":24.42116640866667,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.42116640866667,"endHours":25.42116640866667,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.42116640866667,"endHours":26.42116640866667,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.42116640866667,"endHours":27.42116640866667,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.42116640866667,"endHours":28.42116640866667,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.42116640866667,"endHours":29.42116640866667,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.42116640866667,"endHours":30.42116640866667,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","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":-9.079971920355623,"eotMinutes":15.227419562027912,"ayanamsa":23.6685}},"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 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 Pūrṇimā · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[{"id":"sharad-purnima","name":"Śarad Pūrṇimā / Kojāgarī Pūrṇimā","name_sanskrit":"शरद पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Lakṣmī","significance":"Krishna's Mahā-rāsa with the gopīs at Vṛndāvana. Lakṣmī wakes (\"ko jāgartti?\")","vrata":true,"primary_observance":"Night-long jāgaraṇa; offering of pāyasa under moonlight","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2,"sources":["Bhāgavata 10.29-33"]},{"id":"rasa-purnima","name":"Rāsa Pūrṇimā (Vraja Mahā-Rāsa)","name_sanskrit":"रास पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Gopīs","significance":"Krishna's Mahā-rāsa with the gopīs at Vraja (Bhāgavata 10.29-33). Same as Śarad Pūrṇimā but emphasized in Vraja tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2},{"id":"valmiki-jayanti","name":"Mahārṣi Vālmīki Jayantī","name_sanskrit":"महर्षि वाल्मीकि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Maharṣi Vālmīki (ādi-kavi)","significance":"Composer of Vālmīki Rāmāyaṇa. Āśvina Pūrṇimā tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":3}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 17, 1986 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"October 17, 1986 CE for Kolhāpur, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:25, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1986-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1986-10-17","sa":"https://sa.vidhyamitra.com/city/kolhapur/1986-10-17","hi":"https://hi.vidhyamitra.com/city/kolhapur/1986-10-17","x-default":"https://vidhyamitra.com/city/kolhapur/1986-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:48:34.006Z","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":"2026-05-31T22:48:34.006Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:48:34.006Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}