{"id":"vidhyamitra:city-day:beijing:1981-06-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-06-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-10","date_display":"June 10, 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":6,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444765.770833,"kali_year":5083,"ahargana":1856300.2708,"sun":{"sidereal_longitude":55.3491,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.4439,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.0948,"elapsed_within_tithi_degrees":10.0948},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4439,"elapsed_within_degrees":2.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.7929},"karana":{"half_tithi_index":15,"name":"Bava"},"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":1981,"month":6,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444765.770833,"ahargana":1856300.2708,"kali_year":5083,"ayanamsa_lahiri":23.5937,"grahas":{"sun":{"sidereal_longitude":55.49422700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.84272699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.1895},"mars":{"sidereal_longitude":40.07702699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":71.99752699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.32072700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":72.52472699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":159.16882699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.2785,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.2785,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":6,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444765.770833,"kali_year":5083,"ahargana":1856300.2708,"sun":{"sidereal_longitude":55.3491,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.4439,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.0948,"elapsed_within_tithi_degrees":10.0948},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4439,"elapsed_within_degrees":2.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.7929},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.19,"elongation":94.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.19,"opposition_distance":85.905}},"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":"04:45","sunsetLocal":"19:42","solarNoonLocal":"12:14","dayLengthHours":14.939822312118544,"dayLengthDisplay":"14 Hours 56 Mins 23 Secs","nightLengthDisplay":"9 Hours 03 Mins 37 Secs","moonriseLocal":"12:30","moonsetLocal":"00:48","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"14:06","startHours":12.226739041684745,"endHours":14.094216830699562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:37","end":"08:30","startHours":6.624305674640291,"endHours":8.491783463655109,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:22","end":"12:14","startHours":10.359261252669928,"endHours":12.226739041684745,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:44","startHours":8.2427864251198,"endHours":8.740780502190418,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:23","end":"05:47","startHours":5.379320481963745,"endHours":5.77771574362024,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:43","startHours":11.728744964614126,"endHours":12.724733118755363,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"02:46","end":"03:46","startHours":2.7648515773430002,"endHours":3.7608397314842366,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:31","end":"04:45","startHours":3.5118426929489277,"endHours":4.756827885625473,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:43","startHours":14.716709427037834,"endHours":15.71269758117907,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:30","end":"19:54","startHours":19.496650197744017,"endHours":19.896650197744016,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:42","end":"20:19","startHours":19.696650197744017,"endHours":20.31914279408229,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:27","end":"21:12","startHours":19.446650197744017,"endHours":21.196650197744017,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:43","startHours":23.728744964614126,"endHours":24.724733118755363,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"04:45","end":"06:37","startHours":4.756827885625473,"endHours":6.624305674640291,"quality":"auspicious"},{"name":"Amṛta","start":"06:37","end":"08:30","startHours":6.624305674640291,"endHours":8.491783463655109,"quality":"auspicious"},{"name":"Kāla","start":"08:30","end":"10:22","startHours":8.491783463655109,"endHours":10.359261252669928,"quality":"inauspicious"},{"name":"Śubha","start":"10:22","end":"12:14","startHours":10.359261252669928,"endHours":12.226739041684745,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"14:06","startHours":12.226739041684745,"endHours":14.094216830699562,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:58","startHours":14.094216830699562,"endHours":15.96169461971438,"quality":"inauspicious"},{"name":"Chala","start":"15:58","end":"17:50","startHours":15.96169461971438,"endHours":17.8291724087292,"quality":"neutral"},{"name":"Labha","start":"17:50","end":"19:42","startHours":17.8291724087292,"endHours":19.696650197744017,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:42","end":"20:50","startHours":19.696650197744017,"endHours":20.8291724087292,"quality":"inauspicious"},{"name":"Chala","start":"20:50","end":"21:58","startHours":20.8291724087292,"endHours":21.96169461971438,"quality":"neutral"},{"name":"Labha","start":"21:58","end":"23:06","startHours":21.96169461971438,"endHours":23.094216830699562,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:14","startHours":23.094216830699562,"endHours":24.226739041684745,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:22","startHours":24.226739041684745,"endHours":25.359261252669928,"quality":"inauspicious"},{"name":"Śubha","start":"01:22","end":"02:30","startHours":25.359261252669928,"endHours":26.49178346365511,"quality":"auspicious"},{"name":"Roga","start":"02:30","end":"03:37","startHours":26.49178346365511,"endHours":27.62430567464029,"quality":"inauspicious"},{"name":"Udveg","start":"03:37","end":"04:45","startHours":27.62430567464029,"endHours":28.756827885625473,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:45","end":"05:45","startHours":4.756827885625473,"endHours":5.756827885625473,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"05:45","end":"06:45","startHours":5.756827885625473,"endHours":6.756827885625473,"planetary_lord":"Venus"},{"name":"Hora 3","start":"06:45","end":"07:45","startHours":6.756827885625473,"endHours":7.756827885625473,"planetary_lord":"Sun"},{"name":"Hora 4","start":"07:45","end":"08:45","startHours":7.756827885625473,"endHours":8.756827885625473,"planetary_lord":"Mars"},{"name":"Hora 5","start":"08:45","end":"09:45","startHours":8.756827885625473,"endHours":9.756827885625473,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"09:45","end":"10:45","startHours":9.756827885625473,"endHours":10.756827885625473,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"10:45","end":"11:45","startHours":10.756827885625473,"endHours":11.756827885625473,"planetary_lord":"Moon"},{"name":"Hora 8","start":"11:45","end":"12:45","startHours":11.756827885625473,"endHours":12.756827885625473,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"12:45","end":"13:45","startHours":12.756827885625473,"endHours":13.756827885625473,"planetary_lord":"Venus"},{"name":"Hora 10","start":"13:45","end":"14:45","startHours":13.756827885625473,"endHours":14.756827885625473,"planetary_lord":"Sun"},{"name":"Hora 11","start":"14:45","end":"15:45","startHours":14.756827885625473,"endHours":15.756827885625473,"planetary_lord":"Mars"},{"name":"Hora 12","start":"15:45","end":"16:45","startHours":15.756827885625473,"endHours":16.756827885625473,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"16:45","end":"17:45","startHours":16.756827885625473,"endHours":17.756827885625473,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"17:45","end":"18:45","startHours":17.756827885625473,"endHours":18.756827885625473,"planetary_lord":"Moon"},{"name":"Hora 15","start":"18:45","end":"19:45","startHours":18.756827885625473,"endHours":19.756827885625473,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"19:45","end":"20:45","startHours":19.756827885625473,"endHours":20.756827885625473,"planetary_lord":"Venus"},{"name":"Hora 17","start":"20:45","end":"21:45","startHours":20.756827885625473,"endHours":21.756827885625473,"planetary_lord":"Sun"},{"name":"Hora 18","start":"21:45","end":"22:45","startHours":21.756827885625473,"endHours":22.756827885625473,"planetary_lord":"Mars"},{"name":"Hora 19","start":"22:45","end":"23:45","startHours":22.756827885625473,"endHours":23.756827885625473,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"23:45","end":"00:45","startHours":23.756827885625473,"endHours":24.756827885625473,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"00:45","end":"01:45","startHours":24.756827885625473,"endHours":25.756827885625473,"planetary_lord":"Moon"},{"name":"Hora 22","start":"01:45","end":"02:45","startHours":25.756827885625473,"endHours":26.756827885625473,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"02:45","end":"03:45","startHours":26.756827885625473,"endHours":27.756827885625473,"planetary_lord":"Venus"},{"name":"Hora 24","start":"03:45","end":"04:45","startHours":27.756827885625473,"endHours":28.756827885625473,"planetary_lord":"Sun"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.988166140136716,"eotMinutes":0.8068574989153692,"ayanamsa":23.5937}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Aṣṭamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","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 June 10, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"June 10, 1981 CE for Beijing, Beijing: Śukla Aṣṭamī, sūryodaya 04:45, sūryāsta 19:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-06-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-06-10","sa":"https://sa.vidhyamitra.com/city/beijing/1981-06-10","hi":"https://hi.vidhyamitra.com/city/beijing/1981-06-10","x-default":"https://vidhyamitra.com/city/beijing/1981-06-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:53:16.339Z","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":"2026-06-01T19:53:16.339Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:53:16.339Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}