{"id":"vidhyamitra:city-day:beijing:1981-04-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-04-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-04-24","date_display":"April 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":4,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444718.770833,"kali_year":5083,"ahargana":1856253.2708,"sun":{"sidereal_longitude":10.3276,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":245.4852,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.1576,"elapsed_within_tithi_degrees":7.1576},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.4852,"elapsed_within_degrees":5.4852},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.8128},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":4,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444718.770833,"ahargana":1856253.2708,"kali_year":5083,"ayanamsa_lahiri":23.5919,"grahas":{"sun":{"sidereal_longitude":10.190822000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":241.68792200000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":2.9673},"mars":{"sidereal_longitude":5.709622000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":6.137622000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":158.64682199999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":14.77452199999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":160.59202200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":106.7688,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":286.7688,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"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":4,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444718.770833,"kali_year":5083,"ahargana":1856253.2708,"sun":{"sidereal_longitude":10.3276,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":245.4852,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":235.1576,"elapsed_within_tithi_degrees":7.1576},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.4852,"elapsed_within_degrees":5.4852},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.8128},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.967,"elongation":124.842},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.967,"opposition_distance":55.158}},"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":"05:24","sunsetLocal":"19:01","solarNoonLocal":"12:13","dayLengthHours":13.609245436773769,"dayLengthDisplay":"13 Hours 36 Mins 33 Secs","nightLengthDisplay":"10 Hours 23 Mins 27 Secs","moonriseLocal":"23:00","moonsetLocal":"08:17","rahuKala":{"name":"Rāhu Kāla","start":"10:31","end":"12:13","startHours":10.509066507090395,"endHours":12.210222186687115,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:19","startHours":15.612533545880558,"endHours":17.31368922547728,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:06","end":"08:48","startHours":7.106755147896952,"endHours":8.807910827493673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:02","startHours":8.58109007021411,"endHours":9.034731584773237,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.972651361499138,"endHours":6.3355645731464385,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:40","startHours":11.75658067212799,"endHours":12.66386370124624,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:30","startHours":3.5910334100637287,"endHours":4.49831643918198,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:24","startHours":4.271495681902417,"endHours":5.405599468300231,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.478429759482744,"endHours":15.385712788600994,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.814844905074,"endHours":19.214844905074,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:35","startHours":19.014844905074,"endHours":19.581896798272908,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.764844905074,"endHours":20.514844905074,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:40","startHours":23.75658067212799,"endHours":24.663863701246242,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:24","end":"07:06","startHours":5.405599468300231,"endHours":7.106755147896952,"quality":"neutral"},{"name":"Labha","start":"07:06","end":"08:48","startHours":7.106755147896952,"endHours":8.807910827493673,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:31","startHours":8.807910827493673,"endHours":10.509066507090395,"quality":"auspicious"},{"name":"Kāla","start":"10:31","end":"12:13","startHours":10.509066507090395,"endHours":12.210222186687115,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:55","startHours":12.210222186687115,"endHours":13.911377866283836,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:37","startHours":13.911377866283836,"endHours":15.612533545880558,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:19","startHours":15.612533545880558,"endHours":17.31368922547728,"quality":"inauspicious"},{"name":"Chala","start":"17:19","end":"19:01","startHours":17.31368922547728,"endHours":19.014844905074,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:01","end":"20:19","startHours":19.014844905074,"endHours":20.31368922547728,"quality":"inauspicious"},{"name":"Udveg","start":"20:19","end":"21:37","startHours":20.31368922547728,"endHours":21.61253354588056,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"22:55","startHours":21.61253354588056,"endHours":22.911377866283836,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:13","startHours":22.911377866283836,"endHours":24.210222186687115,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:31","startHours":24.210222186687115,"endHours":25.509066507090395,"quality":"auspicious"},{"name":"Kāla","start":"01:31","end":"02:48","startHours":25.509066507090395,"endHours":26.80791082749367,"quality":"inauspicious"},{"name":"Śubha","start":"02:48","end":"04:06","startHours":26.80791082749367,"endHours":28.10675514789695,"quality":"auspicious"},{"name":"Roga","start":"04:06","end":"05:24","startHours":28.10675514789695,"endHours":29.40559946830023,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.405599468300231,"endHours":6.405599468300231,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.405599468300231,"endHours":7.405599468300231,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.405599468300231,"endHours":8.405599468300231,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.405599468300231,"endHours":9.405599468300231,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.405599468300231,"endHours":10.405599468300231,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.405599468300231,"endHours":11.405599468300231,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.405599468300231,"endHours":12.405599468300231,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.405599468300231,"endHours":13.405599468300231,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.405599468300231,"endHours":14.405599468300231,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.405599468300231,"endHours":15.405599468300231,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.405599468300231,"endHours":16.40559946830023,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.40559946830023,"endHours":17.40559946830023,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.40559946830023,"endHours":18.40559946830023,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.40559946830023,"endHours":19.40559946830023,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.40559946830023,"endHours":20.40559946830023,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.40559946830023,"endHours":21.40559946830023,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.40559946830023,"endHours":22.40559946830023,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.40559946830023,"endHours":23.40559946830023,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.40559946830023,"endHours":24.40559946830023,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.40559946830023,"endHours":25.40559946830023,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.40559946830023,"endHours":26.40559946830023,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.40559946830023,"endHours":27.40559946830023,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.40559946830023,"endHours":28.40559946830023,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.40559946830023,"endHours":29.40559946830023,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.777006856832704,"eotMinutes":1.7978687987730522,"ayanamsa":23.5919}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pañcamī · 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":[]},"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 April 24, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"April 24, 1981 CE for Beijing, Beijing: Kṛṣṇa Pañcamī, sūryodaya 05:24, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-04-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-04-24","sa":"https://sa.vidhyamitra.com/city/beijing/1981-04-24","hi":"https://hi.vidhyamitra.com/city/beijing/1981-04-24","x-default":"https://vidhyamitra.com/city/beijing/1981-04-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:03:36.477Z","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":"2026-06-01T16:03:36.477Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:03:36.477Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}