{"id":"vidhyamitra:city-day:ujjain:1981-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ujjain/1981-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-16","date_display":"August 16, 1981 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":1981,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444832.770833,"kali_year":5083,"ahargana":1856367.2708,"sun":{"sidereal_longitude":118.9264,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":302.4696,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.5431,"elapsed_within_tithi_degrees":3.5431},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.4696,"elapsed_within_degrees":9.1363},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.396},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":1981,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444832.770833,"ahargana":1856367.2708,"kali_year":5083,"ayanamsa_lahiri":23.5963,"grahas":{"sun":{"sidereal_longitude":119.500767,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":303.70246700000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-1.6654},"mars":{"sidereal_longitude":85.68426699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":125.71646699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":165.35996699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":153.64516700000001,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":163.05796699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":100.7285,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.7285,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":1981,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444832.770833,"kali_year":5083,"ahargana":1856367.2708,"sun":{"sidereal_longitude":118.9264,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":302.4696,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.5431,"elapsed_within_tithi_degrees":3.5431},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.4696,"elapsed_within_degrees":9.1363},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.396},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.665,"elongation":176.457},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.665,"opposition_distance":3.543}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"06:03","sunsetLocal":"18:59","solarNoonLocal":"12:31","dayLengthHours":12.931076139075081,"dayLengthDisplay":"12 Hours 55 Mins 52 Secs","nightLengthDisplay":"11 Hours 04 Mins 08 Secs","moonriseLocal":"19:07","moonsetLocal":"06:29","rahuKala":{"name":"Rāhu Kāla","start":"17:22","end":"18:59","startHours":17.362751145438693,"endHours":18.97913566282308,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:31","end":"14:08","startHours":12.513597593285539,"endHours":14.129982110669925,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:45","end":"17:22","startHours":15.746366628054309,"endHours":17.362751145438693,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:30","startHours":9.065310622865518,"endHours":9.49634649416802,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:56","startHours":6.586854362876126,"endHours":6.931683059918129,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:57","startHours":12.082561721983035,"endHours":12.944633464588042,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:19","end":"05:11","startHours":4.323916038537988,"endHours":5.185987781142993,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:03","startHours":4.970469845491741,"endHours":6.048059523747998,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:40","end":"15:32","startHours":14.668776949798053,"endHours":15.530848692403058,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.77913566282308,"endHours":19.17913566282308,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:31","startHours":18.97913566282308,"endHours":19.51793050195121,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.72913566282308,"endHours":20.47913566282308,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:57","startHours":24.082561721983037,"endHours":24.94463346458804,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:03","end":"07:40","startHours":6.048059523747998,"endHours":7.664444041132383,"quality":"inauspicious"},{"name":"Chala","start":"07:40","end":"09:17","startHours":7.664444041132383,"endHours":9.280828558516768,"quality":"neutral"},{"name":"Labha","start":"09:17","end":"10:54","startHours":9.280828558516768,"endHours":10.897213075901153,"quality":"auspicious"},{"name":"Amṛta","start":"10:54","end":"12:31","startHours":10.897213075901153,"endHours":12.513597593285539,"quality":"auspicious"},{"name":"Kāla","start":"12:31","end":"14:08","startHours":12.513597593285539,"endHours":14.129982110669925,"quality":"inauspicious"},{"name":"Śubha","start":"14:08","end":"15:45","startHours":14.129982110669925,"endHours":15.746366628054309,"quality":"auspicious"},{"name":"Roga","start":"15:45","end":"17:22","startHours":15.746366628054309,"endHours":17.362751145438693,"quality":"inauspicious"},{"name":"Udveg","start":"17:22","end":"18:59","startHours":17.362751145438693,"endHours":18.97913566282308,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:59","end":"20:22","startHours":18.97913566282308,"endHours":20.362751145438693,"quality":"auspicious"},{"name":"Roga","start":"20:22","end":"21:45","startHours":20.362751145438693,"endHours":21.74636662805431,"quality":"inauspicious"},{"name":"Udveg","start":"21:45","end":"23:08","startHours":21.74636662805431,"endHours":23.129982110669925,"quality":"inauspicious"},{"name":"Chala","start":"23:08","end":"00:31","startHours":23.129982110669925,"endHours":24.51359759328554,"quality":"neutral"},{"name":"Labha","start":"00:31","end":"01:54","startHours":24.51359759328554,"endHours":25.897213075901153,"quality":"auspicious"},{"name":"Amṛta","start":"01:54","end":"03:17","startHours":25.897213075901153,"endHours":27.280828558516767,"quality":"auspicious"},{"name":"Kāla","start":"03:17","end":"04:40","startHours":27.280828558516767,"endHours":28.664444041132384,"quality":"inauspicious"},{"name":"Śubha","start":"04:40","end":"06:03","startHours":28.664444041132384,"endHours":30.048059523747998,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.048059523747998,"endHours":7.048059523747998,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.048059523747998,"endHours":8.048059523747998,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.048059523747998,"endHours":9.048059523747998,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.048059523747998,"endHours":10.048059523747998,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.048059523747998,"endHours":11.048059523747998,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.048059523747998,"endHours":12.048059523747998,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.048059523747998,"endHours":13.048059523747998,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.048059523747998,"endHours":14.048059523747998,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.048059523747998,"endHours":15.048059523747998,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.048059523747998,"endHours":16.048059523747998,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.048059523747998,"endHours":17.048059523747998,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.048059523747998,"endHours":18.048059523747998,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.048059523747998,"endHours":19.048059523747998,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.048059523747998,"endHours":20.048059523747998,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.048059523747998,"endHours":21.048059523747998,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.048059523747998,"endHours":22.048059523747998,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.048059523747998,"endHours":23.048059523747998,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.048059523747998,"endHours":24.048059523747998,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.048059523747998,"endHours":25.048059523747998,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.048059523747998,"endHours":26.048059523747998,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.048059523747998,"endHours":27.048059523747998,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.048059523747998,"endHours":28.048059523747998,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.048059523747998,"endHours":29.048059523747998,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.048059523747998,"endHours":30.048059523747998,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.817077111479758,"eotMinutes":-3.969855597132357,"ayanamsa":23.5963}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2}],"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":"Ravivāra (Sunday) — 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 August 16, 1981 CE · Ujjain · Vidhyamitra","description":"August 16, 1981 CE for Ujjain: Kṛṣṇa Pratipada, sūryodaya 06:03, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ujjain/1981-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ujjain/1981-08-16","sa":"https://sa.vidhyamitra.com/city/ujjain/1981-08-16","hi":"https://hi.vidhyamitra.com/city/ujjain/1981-08-16","x-default":"https://vidhyamitra.com/city/ujjain/1981-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:53:58.079Z","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":"2026-05-31T19:53:58.079Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:53:58.079Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}