{"id":"vidhyamitra:city-day:ujjain:-3187-10-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/-3187-10-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3187-10-18","date_display":"October 18, 3188 BCE","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":-3187,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557296.770833,"kali_year":-85,"ahargana":-31168.7292,"sun":{"sidereal_longitude":239.2971,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.2497,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9526,"elapsed_within_tithi_degrees":1.9526},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.2497,"elapsed_within_degrees":6.5831},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.5468},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":-3187,"month":10,"day":18,"hour":6,"minute":30,"calendar":"julian"},"julian_day":557296.770833,"ahargana":-31168.7292,"kali_year":-85,"ayanamsa_lahiri":-48.5949,"grahas":{"sun":{"sidereal_longitude":239.2971,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":73.2497,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":2.9965},"mars":{"sidereal_longitude":224.9556,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":240.7104,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":279.0514,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":192.2869,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":30.9306,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":31.4693,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.4693,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":-3187,"month":10,"day":18,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":557296.770833,"kali_year":-85,"ahargana":-31168.7292,"sun":{"sidereal_longitude":239.2971,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":73.2497,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9526,"elapsed_within_tithi_degrees":1.9526},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":73.2497,"elapsed_within_degrees":6.5831},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.5468},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.997,"elongation":166.047},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.997,"opposition_distance":13.953}},"eclipse_window_40days":[]},"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":"06:15","sunsetLocal":"18:08","solarNoonLocal":"12:11","dayLengthHours":11.8789113406755,"dayLengthDisplay":"11 Hours 52 Mins 44 Secs","nightLengthDisplay":"12 Hours 07 Mins 16 Secs","moonriseLocal":"18:48","moonsetLocal":"07:26","rahuKala":{"name":"Rāhu Kāla","start":"16:39","end":"18:08","startHours":16.645430782699673,"endHours":18.13029470028411,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:41","startHours":12.19083902994636,"endHours":13.675702947530798,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:10","end":"16:39","startHours":15.160566865115236,"endHours":16.645430782699673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:25","startHours":9.02312933909956,"endHours":9.419093050455409,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.746337998803422,"endHours":7.063108967888102,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:35","startHours":11.79487531859051,"endHours":12.586802741302211,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:28","startHours":4.667528514185209,"endHours":5.4594559368969096,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:15","startHours":5.261474081218984,"endHours":6.251383359608609,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.17065758672561,"endHours":14.96258500943731,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.93029470028411,"endHours":18.33029470028411,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.13029470028411,"endHours":18.625249339478923,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.88029470028411,"endHours":19.63029470028411,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:35","startHours":23.79487531859051,"endHours":24.58680274130221,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:15","end":"07:44","startHours":6.251383359608609,"endHours":7.736247277193047,"quality":"inauspicious"},{"name":"Chala","start":"07:44","end":"09:13","startHours":7.736247277193047,"endHours":9.221111194777485,"quality":"neutral"},{"name":"Labha","start":"09:13","end":"10:42","startHours":9.221111194777485,"endHours":10.705975112361923,"quality":"auspicious"},{"name":"Amṛta","start":"10:42","end":"12:11","startHours":10.705975112361923,"endHours":12.19083902994636,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:41","startHours":12.19083902994636,"endHours":13.675702947530798,"quality":"inauspicious"},{"name":"Śubha","start":"13:41","end":"15:10","startHours":13.675702947530798,"endHours":15.160566865115236,"quality":"auspicious"},{"name":"Roga","start":"15:10","end":"16:39","startHours":15.160566865115236,"endHours":16.645430782699673,"quality":"inauspicious"},{"name":"Udveg","start":"16:39","end":"18:08","startHours":16.645430782699673,"endHours":18.13029470028411,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:08","end":"19:39","startHours":18.13029470028411,"endHours":19.645430782699673,"quality":"auspicious"},{"name":"Roga","start":"19:39","end":"21:10","startHours":19.645430782699673,"endHours":21.160566865115236,"quality":"inauspicious"},{"name":"Udveg","start":"21:10","end":"22:41","startHours":21.160566865115236,"endHours":22.675702947530798,"quality":"inauspicious"},{"name":"Chala","start":"22:41","end":"00:11","startHours":22.675702947530798,"endHours":24.19083902994636,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:42","startHours":24.19083902994636,"endHours":25.705975112361923,"quality":"auspicious"},{"name":"Amṛta","start":"01:42","end":"03:13","startHours":25.705975112361923,"endHours":27.221111194777485,"quality":"auspicious"},{"name":"Kāla","start":"03:13","end":"04:44","startHours":27.221111194777485,"endHours":28.736247277193048,"quality":"inauspicious"},{"name":"Śubha","start":"04:44","end":"06:15","startHours":28.736247277193048,"endHours":30.25138335960861,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.251383359608609,"endHours":7.251383359608609,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.251383359608609,"endHours":8.25138335960861,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.25138335960861,"endHours":9.25138335960861,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.25138335960861,"endHours":10.25138335960861,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.25138335960861,"endHours":11.25138335960861,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.25138335960861,"endHours":12.25138335960861,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.25138335960861,"endHours":13.25138335960861,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.25138335960861,"endHours":14.25138335960861,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.25138335960861,"endHours":15.25138335960861,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.25138335960861,"endHours":16.25138335960861,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25138335960861,"endHours":17.25138335960861,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25138335960861,"endHours":18.25138335960861,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25138335960861,"endHours":19.25138335960861,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25138335960861,"endHours":20.25138335960861,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25138335960861,"endHours":21.25138335960861,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25138335960861,"endHours":22.25138335960861,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25138335960861,"endHours":23.25138335960861,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25138335960861,"endHours":24.25138335960861,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25138335960861,"endHours":25.25138335960861,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25138335960861,"endHours":26.25138335960861,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25138335960861,"endHours":27.25138335960861,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25138335960861,"endHours":28.25138335960861,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25138335960861,"endHours":29.25138335960861,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25138335960861,"endHours":30.25138335960861,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.235760556516961,"eotMinutes":15.395658203218455,"ayanamsa":-48.5949}},"calendars":{"vikram_samvat":-3130,"saka_samvat":-3265,"bengali_samvat":-3780,"malayalam_era":-4011,"nanakshahi_year":-4656,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Dvitīyā · Vikram -3130 undefined · Śaka -3265 undefined"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5}],"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":"Dedicated festival walk for Dhanu Saṅkrānti is not live yet; Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"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 18, 3188 BCE · Ujjain · Vidhyamitra","description":"October 18, 3188 BCE for Ujjain: Kṛṣṇa Dvitīyā, sūryodaya 06:15, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/-3187-10-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/-3187-10-18","sa":"https://sa.vidhyamitra.com/city/ujjain/-3187-10-18","hi":"https://hi.vidhyamitra.com/city/ujjain/-3187-10-18","x-default":"https://vidhyamitra.com/city/ujjain/-3187-10-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T13:20:33.238Z","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":"2026-09-06T13:20:33.238Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T13:20:33.238Z","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":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}