{"id":"vidhyamitra:city-day:beijing:1981-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-16","date_display":"October 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":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444893.770833,"kali_year":5083,"ahargana":1856428.2708,"sun":{"sidereal_longitude":178.3078,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.6326,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.3248,"elapsed_within_tithi_degrees":8.3248},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.6326,"elapsed_within_degrees":3.966},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.9404},"karana":{"half_tithi_index":35,"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":1981,"month":10,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444893.770833,"ahargana":1856428.2708,"kali_year":5083,"ayanamsa_lahiri":23.5986,"grahas":{"sun":{"sidereal_longitude":178.99573599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":34.04283600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-4.1374},"mars":{"sidereal_longitude":123.688736,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":184.782736,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":177.917736,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":224.59903599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":170.136436,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":97.4965,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.4965,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":"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":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444893.770833,"kali_year":5083,"ahargana":1856428.2708,"sun":{"sidereal_longitude":178.3078,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.6326,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":212.3248,"elapsed_within_tithi_degrees":8.3248},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.6326,"elapsed_within_degrees":3.966},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.9404},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.137,"elongation":147.675},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.137,"opposition_distance":32.325}},"eclipse_window_40days":[]},"city":{"slug":"beijing","name":"Beijing, Beijing","lat":39.9075,"lon":116.3972,"tz_offset_hours":8,"state":"Beijing","country":"CN","tier":"mega"},"tier2":{"city":{"slug":"beijing","name":"Beijing, Beijing","lat":39.9075,"lon":116.3972,"tz_offset_hours":8,"state":"Beijing","country":"CN","tier":"mega"},"sunriseLocal":"06:25","sunsetLocal":"17:34","solarNoonLocal":"11:59","dayLengthHours":11.156847577536752,"dayLengthDisplay":"11 Hours 09 Mins 25 Secs","nightLengthDisplay":"12 Hours 50 Mins 35 Secs","moonriseLocal":"19:07","moonsetLocal":"09:32","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"11:59","startHours":10.594785226621557,"endHours":11.989391173813651,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:10","startHours":14.778603068197839,"endHours":16.173209015389933,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:48","end":"09:12","startHours":7.805573332237368,"endHours":9.200179279429463,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:23","startHours":9.01423181980385,"endHours":9.386126739055074,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:10","startHours":6.875836034109305,"endHours":7.173351969510286,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:22","startHours":11.617496254562425,"endHours":12.361286093064876,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:55","end":"05:40","startHours":4.923387708040374,"endHours":5.667177546542824,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:29","end":"06:25","startHours":5.481230086917211,"endHours":6.410967385045274,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:36","startHours":13.848865770069775,"endHours":14.592655608572224,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.367814962582028,"endHours":17.767814962582026,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:02","startHours":17.567814962582027,"endHours":18.032683611646057,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.317814962582027,"endHours":19.067814962582027,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:22","startHours":23.617496254562425,"endHours":24.361286093064876,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:25","end":"07:48","startHours":6.410967385045274,"endHours":7.805573332237368,"quality":"neutral"},{"name":"Labha","start":"07:48","end":"09:12","startHours":7.805573332237368,"endHours":9.200179279429463,"quality":"auspicious"},{"name":"Amṛta","start":"09:12","end":"10:36","startHours":9.200179279429463,"endHours":10.594785226621557,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"11:59","startHours":10.594785226621557,"endHours":11.989391173813651,"quality":"inauspicious"},{"name":"Śubha","start":"11:59","end":"13:23","startHours":11.989391173813651,"endHours":13.383997121005745,"quality":"auspicious"},{"name":"Roga","start":"13:23","end":"14:47","startHours":13.383997121005745,"endHours":14.778603068197839,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:10","startHours":14.778603068197839,"endHours":16.173209015389933,"quality":"inauspicious"},{"name":"Chala","start":"16:10","end":"17:34","startHours":16.173209015389933,"endHours":17.567814962582027,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:34","end":"19:10","startHours":17.567814962582027,"endHours":19.173209015389933,"quality":"inauspicious"},{"name":"Udveg","start":"19:10","end":"20:47","startHours":19.173209015389933,"endHours":20.77860306819784,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:23","startHours":20.77860306819784,"endHours":22.383997121005745,"quality":"neutral"},{"name":"Labha","start":"22:23","end":"23:59","startHours":22.383997121005745,"endHours":23.98939117381365,"quality":"auspicious"},{"name":"Amṛta","start":"23:59","end":"01:36","startHours":23.98939117381365,"endHours":25.594785226621557,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:12","startHours":25.594785226621557,"endHours":27.200179279429463,"quality":"inauspicious"},{"name":"Śubha","start":"03:12","end":"04:48","startHours":27.200179279429463,"endHours":28.80557333223737,"quality":"auspicious"},{"name":"Roga","start":"04:48","end":"06:25","startHours":28.80557333223737,"endHours":30.410967385045275,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.410967385045274,"endHours":7.410967385045274,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.410967385045274,"endHours":8.410967385045275,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.410967385045275,"endHours":9.410967385045275,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.410967385045275,"endHours":10.410967385045275,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.410967385045275,"endHours":11.410967385045275,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.410967385045275,"endHours":12.410967385045275,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.410967385045275,"endHours":13.410967385045275,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.410967385045275,"endHours":14.410967385045275,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.410967385045275,"endHours":15.410967385045275,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.410967385045275,"endHours":16.410967385045275,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.410967385045275,"endHours":17.410967385045275,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.410967385045275,"endHours":18.410967385045275,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.410967385045275,"endHours":19.410967385045275,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.410967385045275,"endHours":20.410967385045275,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.410967385045275,"endHours":21.410967385045275,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.410967385045275,"endHours":22.410967385045275,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.410967385045275,"endHours":23.410967385045275,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.410967385045275,"endHours":24.410967385045275,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.410967385045275,"endHours":25.410967385045275,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.410967385045275,"endHours":26.410967385045275,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.410967385045275,"endHours":27.410967385045275,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.410967385045275,"endHours":28.410967385045275,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.410967385045275,"endHours":29.410967385045275,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.410967385045275,"endHours":30.410967385045275,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.789830092687449,"eotMinutes":15.04772957118102,"ayanamsa":23.5986}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","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":"Kārtika Kṛṣṇa Tṛtīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"beijing"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 16, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"October 16, 1981 CE for Beijing, Beijing: Kṛṣṇa Tṛtīyā, sūryodaya 06:25, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-10-16","sa":"https://sa.vidhyamitra.com/city/beijing/1981-10-16","hi":"https://hi.vidhyamitra.com/city/beijing/1981-10-16","x-default":"https://vidhyamitra.com/city/beijing/1981-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:13:10.495Z","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":"2026-06-01T20:13:10.495Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:13:10.496Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}