{"id":"vidhyamitra:city-day:beijing:1981-05-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/1981-05-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-05-08","date_display":"May 8, 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":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444732.770833,"kali_year":5083,"ahargana":1856267.2708,"sun":{"sidereal_longitude":23.8463,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":74.9599,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.1135,"elapsed_within_tithi_degrees":3.1135},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.9599,"elapsed_within_degrees":8.2932},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.8062},"karana":{"half_tithi_index":8,"name":"Bava"},"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":5,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444732.770833,"ahargana":1856267.2708,"kali_year":5083,"ayanamsa_lahiri":23.5925,"grahas":{"sun":{"sidereal_longitude":23.780588000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":77.569388,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-2.3204},"mars":{"sidereal_longitude":16.147987999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":35.918687999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":157.58768800000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":32.03198800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":159.82358799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":106.027,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.027,"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":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444732.770833,"kali_year":5083,"ahargana":1856267.2708,"sun":{"sidereal_longitude":23.8463,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":74.9599,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.1135,"elapsed_within_tithi_degrees":3.1135},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.9599,"elapsed_within_degrees":8.2932},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.8062},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.32,"elongation":51.114},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.32,"opposition_distance":128.886}},"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":"05:07","sunsetLocal":"19:15","solarNoonLocal":"12:11","dayLengthHours":14.134454147917056,"dayLengthDisplay":"14 Hours 08 Mins 04 Secs","nightLengthDisplay":"9 Hours 51 Mins 56 Secs","moonriseLocal":"08:19","moonsetLocal":"23:13","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:11","startHours":10.413772046145187,"endHours":12.18057881463482,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:43","end":"17:29","startHours":15.714192351614084,"endHours":17.480999120103718,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:39","startHours":6.880158509165923,"endHours":8.646965277655555,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:53","startHours":8.411391041856938,"endHours":8.882539513454173,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:05","startHours":5.702287330172836,"endHours":6.079206107450624,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:39","startHours":11.709430343037585,"endHours":12.651727286232056,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:14","end":"04:10","startHours":3.228757854287351,"endHours":4.171054797481821,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:56","end":"05:07","startHours":3.9354805616832036,"endHours":5.113351740676292,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:29","startHours":14.536321172620996,"endHours":15.478618115815467,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.04780588859335,"endHours":19.447805888593347,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:50","startHours":19.247805888593348,"endHours":19.83674147808989,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":18.997805888593348,"endHours":20.747805888593348,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:39","startHours":23.709430343037585,"endHours":24.651727286232056,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:07","end":"06:53","startHours":5.113351740676292,"endHours":6.880158509165923,"quality":"neutral"},{"name":"Labha","start":"06:53","end":"08:39","startHours":6.880158509165923,"endHours":8.646965277655555,"quality":"auspicious"},{"name":"Amṛta","start":"08:39","end":"10:25","startHours":8.646965277655555,"endHours":10.413772046145187,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:11","startHours":10.413772046145187,"endHours":12.18057881463482,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:57","startHours":12.18057881463482,"endHours":13.947385583124452,"quality":"auspicious"},{"name":"Roga","start":"13:57","end":"15:43","startHours":13.947385583124452,"endHours":15.714192351614084,"quality":"inauspicious"},{"name":"Udveg","start":"15:43","end":"17:29","startHours":15.714192351614084,"endHours":17.480999120103718,"quality":"inauspicious"},{"name":"Chala","start":"17:29","end":"19:15","startHours":17.480999120103718,"endHours":19.247805888593348,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:15","end":"20:29","startHours":19.247805888593348,"endHours":20.480999120103714,"quality":"inauspicious"},{"name":"Udveg","start":"20:29","end":"21:43","startHours":20.480999120103714,"endHours":21.714192351614084,"quality":"inauspicious"},{"name":"Chala","start":"21:43","end":"22:57","startHours":21.714192351614084,"endHours":22.94738558312445,"quality":"neutral"},{"name":"Labha","start":"22:57","end":"00:11","startHours":22.94738558312445,"endHours":24.18057881463482,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:25","startHours":24.18057881463482,"endHours":25.413772046145187,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:39","startHours":25.413772046145187,"endHours":26.646965277655553,"quality":"inauspicious"},{"name":"Śubha","start":"02:39","end":"03:53","startHours":26.646965277655553,"endHours":27.880158509165923,"quality":"auspicious"},{"name":"Roga","start":"03:53","end":"05:07","startHours":27.880158509165923,"endHours":29.113351740676293,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.113351740676292,"endHours":6.113351740676292,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.113351740676292,"endHours":7.113351740676292,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.113351740676292,"endHours":8.113351740676292,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.113351740676292,"endHours":9.113351740676292,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.113351740676292,"endHours":10.113351740676292,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.113351740676292,"endHours":11.113351740676292,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.113351740676292,"endHours":12.113351740676292,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.113351740676292,"endHours":13.113351740676292,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.113351740676292,"endHours":14.113351740676292,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.113351740676292,"endHours":15.113351740676292,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.113351740676292,"endHours":16.113351740676293,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.113351740676293,"endHours":17.113351740676293,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.113351740676293,"endHours":18.113351740676293,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.113351740676293,"endHours":19.113351740676293,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.113351740676293,"endHours":20.113351740676293,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.113351740676293,"endHours":21.113351740676293,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.113351740676293,"endHours":22.113351740676293,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.113351740676293,"endHours":23.113351740676293,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.113351740676293,"endHours":24.113351740676293,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.113351740676293,"endHours":25.113351740676293,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.113351740676293,"endHours":26.113351740676293,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.113351740676293,"endHours":27.113351740676293,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.113351740676293,"endHours":28.113351740676293,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.113351740676293,"endHours":29.113351740676293,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","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":17.01626834610256,"eotMinutes":3.576471121910833,"ayanamsa":23.5925}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3}],"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 May 8, 1981 CE · Beijing, Beijing · Vidhyamitra","description":"May 8, 1981 CE for Beijing, Beijing: Śukla Pañcamī, sūryodaya 05:07, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/1981-05-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/1981-05-08","sa":"https://sa.vidhyamitra.com/city/beijing/1981-05-08","hi":"https://hi.vidhyamitra.com/city/beijing/1981-05-08","x-default":"https://vidhyamitra.com/city/beijing/1981-05-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T18:48:50.008Z","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":"2026-06-01T18:48:50.008Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T18:48:50.008Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}