{"id":"vidhyamitra:city-day:ujjain:1663-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/1663-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-02-28","date_display":"February 28, 1663 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":1663,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328516.770833,"kali_year":4764,"ahargana":1740051.2708,"sun":{"sidereal_longitude":321.287,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":210.6381,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.3512,"elapsed_within_tithi_degrees":9.3512},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.6381,"elapsed_within_degrees":10.6381},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.9251},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1663,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328516.770833,"ahargana":1740051.2708,"kali_year":4764,"ayanamsa_lahiri":19.1476,"grahas":{"sun":{"sidereal_longitude":320.34499299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":208.11589300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.1394},"mars":{"sidereal_longitude":312.28059299999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":339.011493,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":238.92059300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":329.11439300000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":241.74229300000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":143.71,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":323.71,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"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":1663,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328516.770833,"kali_year":4764,"ahargana":1740051.2708,"sun":{"sidereal_longitude":321.287,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":210.6381,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.3512,"elapsed_within_tithi_degrees":9.3512},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.6381,"elapsed_within_degrees":10.6381},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.9251},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.139,"elongation":110.649},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.139,"opposition_distance":69.351}},"eclipse_window_40days":[{"offset_days":-6,"type":"lunar","occurs":true,"moon_latitude":-0.642,"opposition_distance":0.558}]},"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":"06:50","sunsetLocal":"18:30","solarNoonLocal":"12:40","dayLengthHours":11.661693207132945,"dayLengthDisplay":"11 Hours 39 Mins 42 Secs","nightLengthDisplay":"12 Hours 20 Mins 18 Secs","moonriseLocal":"23:39","moonsetLocal":"10:44","rahuKala":{"name":"Rāhu Kāla","start":"12:40","end":"14:08","startHours":12.66781764710046,"endHours":14.125529297992077,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:18","end":"09:45","startHours":8.294682694425605,"endHours":9.752394345317223,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:13","end":"12:40","startHours":11.210105996208842,"endHours":12.66781764710046,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:57","startHours":9.558032791865006,"endHours":9.946755898769439,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:38","startHours":7.322874927164525,"endHours":7.633853412688071,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:03","startHours":12.279094540196027,"endHours":13.056540754004889,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:17","end":"06:04","startHours":5.2820786159162605,"endHours":6.059524829725123,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:50","startHours":5.865163276272908,"endHours":6.836971043533986,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:23","startHours":14.611433181622616,"endHours":15.388879395431479,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.29866425066693,"endHours":18.69866425066693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:59","startHours":18.49866425066693,"endHours":18.98456813429747,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.24866425066693,"endHours":19.99866425066693,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:03","startHours":24.279094540196024,"endHours":25.05654075400489,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:50","end":"08:18","startHours":6.836971043533986,"endHours":8.294682694425605,"quality":"auspicious"},{"name":"Amṛta","start":"08:18","end":"09:45","startHours":8.294682694425605,"endHours":9.752394345317223,"quality":"auspicious"},{"name":"Kāla","start":"09:45","end":"11:13","startHours":9.752394345317223,"endHours":11.210105996208842,"quality":"inauspicious"},{"name":"Śubha","start":"11:13","end":"12:40","startHours":11.210105996208842,"endHours":12.66781764710046,"quality":"auspicious"},{"name":"Roga","start":"12:40","end":"14:08","startHours":12.66781764710046,"endHours":14.125529297992077,"quality":"inauspicious"},{"name":"Udveg","start":"14:08","end":"15:35","startHours":14.125529297992077,"endHours":15.583240948883695,"quality":"inauspicious"},{"name":"Chala","start":"15:35","end":"17:02","startHours":15.583240948883695,"endHours":17.040952599775313,"quality":"neutral"},{"name":"Labha","start":"17:02","end":"18:30","startHours":17.040952599775313,"endHours":18.49866425066693,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:30","end":"20:02","startHours":18.49866425066693,"endHours":20.040952599775313,"quality":"inauspicious"},{"name":"Chala","start":"20:02","end":"21:35","startHours":20.040952599775313,"endHours":21.583240948883695,"quality":"neutral"},{"name":"Labha","start":"21:35","end":"23:08","startHours":21.583240948883695,"endHours":23.125529297992074,"quality":"auspicious"},{"name":"Amṛta","start":"23:08","end":"00:40","startHours":23.125529297992074,"endHours":24.667817647100456,"quality":"auspicious"},{"name":"Kāla","start":"00:40","end":"02:13","startHours":24.667817647100456,"endHours":26.21010599620884,"quality":"inauspicious"},{"name":"Śubha","start":"02:13","end":"03:45","startHours":26.21010599620884,"endHours":27.75239434531722,"quality":"auspicious"},{"name":"Roga","start":"03:45","end":"05:18","startHours":27.75239434531722,"endHours":29.294682694425603,"quality":"inauspicious"},{"name":"Udveg","start":"05:18","end":"06:50","startHours":29.294682694425603,"endHours":30.836971043533985,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.836971043533986,"endHours":7.836971043533986,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.836971043533986,"endHours":8.836971043533985,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.836971043533985,"endHours":9.836971043533985,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.836971043533985,"endHours":10.836971043533985,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.836971043533985,"endHours":11.836971043533985,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.836971043533985,"endHours":12.836971043533985,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.836971043533985,"endHours":13.836971043533985,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.836971043533985,"endHours":14.836971043533985,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.836971043533985,"endHours":15.836971043533985,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.836971043533985,"endHours":16.836971043533985,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.836971043533985,"endHours":17.836971043533985,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.836971043533985,"endHours":18.836971043533985,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.836971043533985,"endHours":19.836971043533985,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.836971043533985,"endHours":20.836971043533985,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.836971043533985,"endHours":21.836971043533985,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.836971043533985,"endHours":22.836971043533985,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.836971043533985,"endHours":23.836971043533985,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.836971043533985,"endHours":24.836971043533985,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.836971043533985,"endHours":25.836971043533985,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.836971043533985,"endHours":26.836971043533985,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.836971043533985,"endHours":27.836971043533985,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.836971043533985,"endHours":28.836971043533985,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.836971043533985,"endHours":29.836971043533985,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.836971043533985,"endHours":30.836971043533985,"planetary_lord":"Sun"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.009483342766371,"eotMinutes":-13.223058826027486,"ayanamsa":19.1476}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Ṣaṣṭhī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 February 28, 1663 CE · Ujjain · Vidhyamitra","description":"February 28, 1663 CE for Ujjain: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:50, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/1663-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/1663-02-28","sa":"https://sa.vidhyamitra.com/city/ujjain/1663-02-28","hi":"https://hi.vidhyamitra.com/city/ujjain/1663-02-28","x-default":"https://vidhyamitra.com/city/ujjain/1663-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T11:03:37.415Z","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":"2026-06-05T11:03:37.415Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T11:03:37.415Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}