{"id":"vidhyamitra:city-day:ujjain:1986-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/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":"Not independently benchmarked across the declared range","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":"Not independently benchmarked across the declared range","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":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ujjain","name":"Ujjain","lat":23.1765,"lon":75.7885,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:24","sunsetLocal":"18:00","solarNoonLocal":"12:12","dayLengthHours":11.599476245882213,"dayLengthDisplay":"11 Hours 35 Mins 58 Secs","nightLengthDisplay":"12 Hours 24 Mins 02 Secs","moonriseLocal":"17:24","moonsetLocal":"05:48","rahuKala":{"name":"Rāhu Kāla","start":"10:45","end":"12:12","startHours":10.743708476564258,"endHours":12.193643007299535,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:06","end":"16:33","startHours":15.093512068770089,"endHours":16.543446599505366,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:51","end":"09:18","startHours":7.843839415093706,"endHours":9.293773945828983,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:29","startHours":9.100449341730945,"endHours":9.487098549927019,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:11","startHours":6.877216394603521,"endHours":7.18653576116038,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:35","startHours":11.806993799103461,"endHours":12.580292215495609,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:37","startHours":4.847308051574134,"endHours":5.620606467966281,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:24","startHours":5.427281863868245,"endHours":6.393904884358429,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:54","startHours":14.126889048279905,"endHours":14.900187464672053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.793381130240643,"endHours":18.193381130240642,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:29","startHours":17.993381130240643,"endHours":18.476692640485734,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.743381130240643,"endHours":19.493381130240643,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:35","startHours":23.806993799103463,"endHours":24.580292215495607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:24","end":"07:51","startHours":6.393904884358429,"endHours":7.843839415093706,"quality":"neutral"},{"name":"Labha","start":"07:51","end":"09:18","startHours":7.843839415093706,"endHours":9.293773945828983,"quality":"auspicious"},{"name":"Amṛta","start":"09:18","end":"10:45","startHours":9.293773945828983,"endHours":10.743708476564258,"quality":"auspicious"},{"name":"Kāla","start":"10:45","end":"12:12","startHours":10.743708476564258,"endHours":12.193643007299535,"quality":"inauspicious"},{"name":"Śubha","start":"12:12","end":"13:39","startHours":12.193643007299535,"endHours":13.643577538034812,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:06","startHours":13.643577538034812,"endHours":15.093512068770089,"quality":"inauspicious"},{"name":"Udveg","start":"15:06","end":"16:33","startHours":15.093512068770089,"endHours":16.543446599505366,"quality":"inauspicious"},{"name":"Chala","start":"16:33","end":"18:00","startHours":16.543446599505366,"endHours":17.993381130240643,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:00","end":"19:33","startHours":17.993381130240643,"endHours":19.543446599505366,"quality":"inauspicious"},{"name":"Udveg","start":"19:33","end":"21:06","startHours":19.543446599505366,"endHours":21.09351206877009,"quality":"inauspicious"},{"name":"Chala","start":"21:06","end":"22:39","startHours":21.09351206877009,"endHours":22.643577538034812,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"00:12","startHours":22.643577538034812,"endHours":24.193643007299535,"quality":"auspicious"},{"name":"Amṛta","start":"00:12","end":"01:45","startHours":24.193643007299535,"endHours":25.743708476564258,"quality":"auspicious"},{"name":"Kāla","start":"01:45","end":"03:18","startHours":25.743708476564258,"endHours":27.29377394582898,"quality":"inauspicious"},{"name":"Śubha","start":"03:18","end":"04:51","startHours":27.29377394582898,"endHours":28.843839415093704,"quality":"auspicious"},{"name":"Roga","start":"04:51","end":"06:24","startHours":28.843839415093704,"endHours":30.393904884358427,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.393904884358429,"endHours":7.393904884358429,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.393904884358429,"endHours":8.39390488435843,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.39390488435843,"endHours":9.39390488435843,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.39390488435843,"endHours":10.39390488435843,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.39390488435843,"endHours":11.39390488435843,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.39390488435843,"endHours":12.39390488435843,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.39390488435843,"endHours":13.39390488435843,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.39390488435843,"endHours":14.39390488435843,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.39390488435843,"endHours":15.39390488435843,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.39390488435843,"endHours":16.393904884358427,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.393904884358427,"endHours":17.393904884358427,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.393904884358427,"endHours":18.393904884358427,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.393904884358427,"endHours":19.393904884358427,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.393904884358427,"endHours":20.393904884358427,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.393904884358427,"endHours":21.393904884358427,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.393904884358427,"endHours":22.393904884358427,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.393904884358427,"endHours":23.393904884358427,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.393904884358427,"endHours":24.393904884358427,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.393904884358427,"endHours":25.393904884358427,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.393904884358427,"endHours":26.393904884358427,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.393904884358427,"endHours":27.393904884358427,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.393904884358427,"endHours":28.393904884358427,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.393904884358427,"endHours":29.393904884358427,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.393904884358427,"endHours":30.393904884358427,"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":"Dedicated festival walk for Śarad Pūrṇimā / Kojāgarī Pūrṇimā · Rāsa Pūrṇimā (Vraja Mahā-Rāsa) · Mahārṣi Vālmīki Jayantī is not live yet; Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ujjain"},"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 · Ujjain · Vidhyamitra","description":"October 17, 1986 CE for Ujjain: Śukla Pūrṇimā, sūryodaya 06:24, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/1986-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/1986-10-17","sa":"https://sa.vidhyamitra.com/city/ujjain/1986-10-17","hi":"https://hi.vidhyamitra.com/city/ujjain/1986-10-17","x-default":"https://vidhyamitra.com/city/ujjain/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":"2026-08-10T11:43:48.046Z","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":"2026-08-10T11:43:48.046Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T11:43:48.046Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}