{"id":"vidhyamitra:city-day:ujjain:-0504-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/-0504-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0504-02-17","date_display":"February 17, 505 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":-504,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1537018.770833,"kali_year":2597,"ahargana":948553.2708,"sun":{"sidereal_longitude":338.9685,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":346.1337,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.1652,"elapsed_within_tithi_degrees":7.1652},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":346.1337,"elapsed_within_degrees":12.8004},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.1022},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":-504,"month":2,"day":17,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1537018.770833,"ahargana":948553.2708,"kali_year":2597,"ayanamsa_lahiri":-11.1242,"grahas":{"sun":{"sidereal_longitude":338.9685,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":346.1337,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":1.9038},"mars":{"sidereal_longitude":280.757,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":316.8106,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":340.8349,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":320.4408,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":29.0389,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":321.083,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":141.083,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":-504,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1537018.770833,"kali_year":2597,"ahargana":948553.2708,"sun":{"sidereal_longitude":338.9685,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":346.1337,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.1652,"elapsed_within_tithi_degrees":7.1652},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":346.1337,"elapsed_within_degrees":12.8004},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.1022},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.904,"elongation":7.165},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.904,"opposition_distance":172.835}},"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":"06:59","sunsetLocal":"18:24","solarNoonLocal":"12:41","dayLengthHours":11.414670678738574,"dayLengthDisplay":"11 Hours 24 Mins 53 Secs","nightLengthDisplay":"12 Hours 35 Mins 07 Secs","moonriseLocal":"07:24","moonsetLocal":"18:56","rahuKala":{"name":"Rāhu Kāla","start":"15:33","end":"16:58","startHours":15.542643808873578,"endHours":16.9694776437159,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:16","startHours":9.835308469504291,"endHours":11.262142304346614,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:41","end":"14:07","startHours":12.688976139188934,"endHours":14.115809974031258,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:02","startHours":9.645063958191983,"endHours":10.025552980816602,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:46","startHours":7.457252078100423,"endHours":7.761643296200118,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:04","startHours":12.308487116564315,"endHours":13.069465161813554,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:13","startHours":5.459684709321172,"endHours":6.2206627545704105,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:59","startHours":6.030418243258101,"endHours":6.981640799819648,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:21","startHours":14.591421252312031,"endHours":15.35239929756127,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.196311478558222,"endHours":18.59631147855822,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:52","startHours":18.39631147855822,"endHours":18.871922756838995,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.14631147855822,"endHours":19.89631147855822,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:04","startHours":24.308487116564315,"endHours":25.069465161813554,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:59","end":"08:25","startHours":6.981640799819648,"endHours":8.408474634661971,"quality":"inauspicious"},{"name":"Udveg","start":"08:25","end":"09:50","startHours":8.408474634661971,"endHours":9.835308469504291,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:16","startHours":9.835308469504291,"endHours":11.262142304346614,"quality":"neutral"},{"name":"Labha","start":"11:16","end":"12:41","startHours":11.262142304346614,"endHours":12.688976139188934,"quality":"auspicious"},{"name":"Amṛta","start":"12:41","end":"14:07","startHours":12.688976139188934,"endHours":14.115809974031258,"quality":"auspicious"},{"name":"Kāla","start":"14:07","end":"15:33","startHours":14.115809974031258,"endHours":15.542643808873578,"quality":"inauspicious"},{"name":"Śubha","start":"15:33","end":"16:58","startHours":15.542643808873578,"endHours":16.9694776437159,"quality":"auspicious"},{"name":"Roga","start":"16:58","end":"18:24","startHours":16.9694776437159,"endHours":18.39631147855822,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:24","end":"19:58","startHours":18.39631147855822,"endHours":19.969477643715898,"quality":"inauspicious"},{"name":"Śubha","start":"19:58","end":"21:33","startHours":19.969477643715898,"endHours":21.542643808873578,"quality":"auspicious"},{"name":"Roga","start":"21:33","end":"23:07","startHours":21.542643808873578,"endHours":23.115809974031258,"quality":"inauspicious"},{"name":"Udveg","start":"23:07","end":"00:41","startHours":23.115809974031258,"endHours":24.688976139188934,"quality":"inauspicious"},{"name":"Chala","start":"00:41","end":"02:16","startHours":24.688976139188934,"endHours":26.26214230434661,"quality":"neutral"},{"name":"Labha","start":"02:16","end":"03:50","startHours":26.26214230434661,"endHours":27.83530846950429,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:25","startHours":27.83530846950429,"endHours":29.40847463466197,"quality":"auspicious"},{"name":"Kāla","start":"05:25","end":"06:59","startHours":29.40847463466197,"endHours":30.981640799819647,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.981640799819648,"endHours":7.981640799819648,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.981640799819648,"endHours":8.981640799819647,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.981640799819647,"endHours":9.981640799819647,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.981640799819647,"endHours":10.981640799819647,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.981640799819647,"endHours":11.981640799819647,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.981640799819647,"endHours":12.981640799819647,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.981640799819647,"endHours":13.981640799819647,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.981640799819647,"endHours":14.981640799819647,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.981640799819647,"endHours":15.981640799819647,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.981640799819647,"endHours":16.981640799819647,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.981640799819647,"endHours":17.981640799819647,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.981640799819647,"endHours":18.981640799819647,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.981640799819647,"endHours":19.981640799819647,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.981640799819647,"endHours":20.981640799819647,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.981640799819647,"endHours":21.981640799819647,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.981640799819647,"endHours":22.981640799819647,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.981640799819647,"endHours":23.981640799819647,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.981640799819647,"endHours":24.981640799819647,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.981640799819647,"endHours":25.981640799819647,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.981640799819647,"endHours":26.981640799819647,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.981640799819647,"endHours":27.981640799819647,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.981640799819647,"endHours":28.981640799819647,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.981640799819647,"endHours":29.981640799819647,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.981640799819647,"endHours":30.981640799819647,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.22093463290014,"eotMinutes":-14.492568351336082,"ayanamsa":-11.1242}},"calendars":{"vikram_samvat":-447,"saka_samvat":-582,"bengali_samvat":-1097,"malayalam_era":-1328,"nanakshahi_year":-1973,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pratipada · Vikram -447 undefined · Śaka -582 undefined"},"festivals":[{"id":"chaitra-navratri-start","name":"Caitra Navrātri Start (Gudhi Padwā)","name_sanskrit":"चैत्र नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā (9 forms over 9 nights)","significance":"Spring Navrātri begins; Vasanta-pakṣa Devī worship. Maharashtra: Gudhi Padwā. South: Ugadi. Sindhi: Cheti Chand.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Dedicated festival walk for Caitra Navrātri Start (Gudhi Padwā) is not live yet; Maṅgalavāra (Tuesday) — 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 February 17, 505 BCE · Ujjain · Vidhyamitra","description":"February 17, 505 BCE for Ujjain: Śukla Pratipada, sūryodaya 06:59, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/-0504-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/-0504-02-17","sa":"https://sa.vidhyamitra.com/city/ujjain/-0504-02-17","hi":"https://hi.vidhyamitra.com/city/ujjain/-0504-02-17","x-default":"https://vidhyamitra.com/city/ujjain/-0504-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-10T10:13:16.117Z","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":"2026-09-10T10:13:16.117Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-10T10:13:16.117Z","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"}}}