{"id":"vidhyamitra:city-day:beijing:1981-09-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-09-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-09-24","date_display":"September 24, 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":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444871.770833,"kali_year":5083,"ahargana":1856406.2708,"sun":{"sidereal_longitude":156.6173,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":106.8906,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.2733,"elapsed_within_tithi_degrees":10.2733},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.8906,"elapsed_within_degrees":0.2239},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5079},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":9,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444871.770833,"ahargana":1856406.2708,"kali_year":5083,"ayanamsa_lahiri":23.5978,"grahas":{"sun":{"sidereal_longitude":157.31427699999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":108.09317699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":0.6434},"mars":{"sidereal_longitude":110.40747699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":183.818577,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":173.15157699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"venus":{"sidereal_longitude":199.572677,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.44437700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.6621,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.6621,"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":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444871.770833,"kali_year":5083,"ahargana":1856406.2708,"sun":{"sidereal_longitude":156.6173,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":106.8906,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":310.2733,"elapsed_within_tithi_degrees":10.2733},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.8906,"elapsed_within_degrees":0.2239},"yoga":{"number":20,"name":"Śiva","sum_longitude":263.5079},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.643,"elongation":49.727},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.643,"opposition_distance":130.273}},"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":"06:02","sunsetLocal":"18:09","solarNoonLocal":"12:06","dayLengthHours":12.104340246417825,"dayLengthDisplay":"12 Hours 06 Mins 16 Secs","nightLengthDisplay":"11 Hours 53 Mins 44 Secs","moonriseLocal":"01:45","moonsetLocal":"15:52","rahuKala":{"name":"Rāhu Kāla","start":"13:36","end":"15:07","startHours":13.606677357572588,"endHours":15.119719888374815,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:02","end":"07:33","startHours":6.041464703561447,"endHours":7.554507234363675,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:04","end":"10:35","startHours":9.067549765165904,"endHours":10.580592295968131,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:16","startHours":8.865810761058938,"endHours":9.269288769272867,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.545812213828857,"endHours":6.868594620399999,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.690156818556433,"endHours":12.497112834984287,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:14","startHours":4.427552670705737,"endHours":5.234508687133592,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:02","startHours":5.032769683026628,"endHours":6.041464703561447,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.111024867839996,"endHours":14.91798088426785,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.945804949979273,"endHours":18.34580494997927,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.145804949979272,"endHours":18.65015246024668,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.895804949979272,"endHours":19.645804949979272,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.690156818556435,"endHours":24.49711283498429,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:02","end":"07:33","startHours":6.041464703561447,"endHours":7.554507234363675,"quality":"auspicious"},{"name":"Roga","start":"07:33","end":"09:04","startHours":7.554507234363675,"endHours":9.067549765165904,"quality":"inauspicious"},{"name":"Udveg","start":"09:04","end":"10:35","startHours":9.067549765165904,"endHours":10.580592295968131,"quality":"inauspicious"},{"name":"Chala","start":"10:35","end":"12:06","startHours":10.580592295968131,"endHours":12.093634826770359,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:36","startHours":12.093634826770359,"endHours":13.606677357572588,"quality":"auspicious"},{"name":"Amṛta","start":"13:36","end":"15:07","startHours":13.606677357572588,"endHours":15.119719888374815,"quality":"auspicious"},{"name":"Kāla","start":"15:07","end":"16:38","startHours":15.119719888374815,"endHours":16.632762419177045,"quality":"inauspicious"},{"name":"Śubha","start":"16:38","end":"18:09","startHours":16.632762419177045,"endHours":18.145804949979272,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:38","startHours":18.145804949979272,"endHours":19.632762419177045,"quality":"auspicious"},{"name":"Kāla","start":"19:38","end":"21:07","startHours":19.632762419177045,"endHours":21.119719888374817,"quality":"inauspicious"},{"name":"Śubha","start":"21:07","end":"22:36","startHours":21.119719888374817,"endHours":22.606677357572586,"quality":"auspicious"},{"name":"Roga","start":"22:36","end":"00:06","startHours":22.606677357572586,"endHours":24.09363482677036,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:35","startHours":24.09363482677036,"endHours":25.58059229596813,"quality":"inauspicious"},{"name":"Chala","start":"01:35","end":"03:04","startHours":25.58059229596813,"endHours":27.067549765165904,"quality":"neutral"},{"name":"Labha","start":"03:04","end":"04:33","startHours":27.067549765165904,"endHours":28.554507234363676,"quality":"auspicious"},{"name":"Amṛta","start":"04:33","end":"06:02","startHours":28.554507234363676,"endHours":30.041464703561445,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.041464703561447,"endHours":7.041464703561447,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.041464703561447,"endHours":8.041464703561447,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.041464703561447,"endHours":9.041464703561447,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.041464703561447,"endHours":10.041464703561447,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.041464703561447,"endHours":11.041464703561447,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.041464703561447,"endHours":12.041464703561447,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.041464703561447,"endHours":13.041464703561447,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.041464703561447,"endHours":14.041464703561447,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.041464703561447,"endHours":15.041464703561447,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.041464703561447,"endHours":16.041464703561445,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.041464703561445,"endHours":17.041464703561445,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.041464703561445,"endHours":18.041464703561445,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.041464703561445,"endHours":19.041464703561445,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.041464703561445,"endHours":20.041464703561445,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.041464703561445,"endHours":21.041464703561445,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.041464703561445,"endHours":22.041464703561445,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.041464703561445,"endHours":23.041464703561445,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.041464703561445,"endHours":24.041464703561445,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.041464703561445,"endHours":25.041464703561445,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.041464703561445,"endHours":26.041464703561445,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.041464703561445,"endHours":27.041464703561445,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.041464703561445,"endHours":28.041464703561445,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.041464703561445,"endHours":29.041464703561445,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.041464703561445,"endHours":30.041464703561445,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","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":-0.3627497325031123,"eotMinutes":8.793110393778392,"ayanamsa":23.5978}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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":"Āśvina Kṛṣṇa Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"rama-ekadashi","name":"Ramā Ekādaśī","name_sanskrit":"रमा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (with Ramā = Lakṣmī)","significance":"Lakṣmī (Ramā) granted boon to King Mucukunda.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 September 24, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"September 24, 1981 CE for Beijing, Beijing: Kṛṣṇa Ekādaśī, sūryodaya 06:02, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-09-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-09-24","sa":"https://sa.vidhyamitra.com/city/beijing/1981-09-24","hi":"https://hi.vidhyamitra.com/city/beijing/1981-09-24","x-default":"https://vidhyamitra.com/city/beijing/1981-09-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:46:41.371Z","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":"2026-06-02T12:46:41.371Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:46:41.371Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}