{"id":"vidhyamitra:city-day:beijing:2091-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/2091-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-01-01","date_display":"January 1, 2091 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":2091,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484782.770833,"kali_year":5192,"ahargana":1896317.2708,"sun":{"sidereal_longitude":255.2643,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":19.7348,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.4705,"elapsed_within_tithi_degrees":4.4705},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.7348,"elapsed_within_degrees":6.4015},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.9991},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2091,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484782.770833,"ahargana":1896317.2708,"kali_year":5192,"ayanamsa_lahiri":25.1242,"grahas":{"sun":{"sidereal_longitude":255.721583,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":20.048583000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":-3.7184},"mars":{"sidereal_longitude":145.989983,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":234.9259830000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":247.379183,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":208.37088300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":54.57748300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":143.9853,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":323.9853,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2091,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484782.770833,"kali_year":5192,"ahargana":1896317.2708,"sun":{"sidereal_longitude":255.2643,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":19.7348,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":124.4705,"elapsed_within_tithi_degrees":4.4705},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":19.7348,"elapsed_within_degrees":6.4015},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.9991},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.718,"elongation":124.471},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.718,"opposition_distance":55.529}},"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":"07:36","sunsetLocal":"17:00","solarNoonLocal":"12:18","dayLengthHours":9.395909948503906,"dayLengthDisplay":"9 Hours 23 Mins 45 Secs","nightLengthDisplay":"14 Hours 36 Mins 15 Secs","moonriseLocal":"13:35","moonsetLocal":"03:36","rahuKala":{"name":"Rāhu Kāla","start":"08:47","end":"09:57","startHours":8.778473408034305,"endHours":9.952962151597292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:08","end":"12:18","startHours":11.12745089516028,"endHours":12.301939638723269,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:29","end":"14:39","startHours":13.476428382286258,"endHours":14.650917125849245,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:48","end":"10:07","startHours":9.796363652455561,"endHours":10.109560650739024,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:00","end":"08:15","startHours":7.995480912325645,"endHours":8.246038510952415,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:37","startHours":11.988742640439805,"endHours":12.615136637006733,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:21","end":"06:59","startHours":6.351196671337462,"endHours":6.977590667904389,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:49","end":"07:36","startHours":6.820992168762657,"endHours":7.603984664471316,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:52","end":"14:30","startHours":13.867924630140585,"endHours":14.494318626707512,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:48","end":"17:12","startHours":16.799894612975223,"endHours":17.19989461297522,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:00","end":"17:23","startHours":16.999894612975222,"endHours":17.391390860829553,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:45","end":"18:30","startHours":16.749894612975222,"endHours":18.499894612975222,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:37","startHours":23.988742640439806,"endHours":24.61513663700673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:36","end":"08:47","startHours":7.603984664471316,"endHours":8.778473408034305,"quality":"auspicious"},{"name":"Kāla","start":"08:47","end":"09:57","startHours":8.778473408034305,"endHours":9.952962151597292,"quality":"inauspicious"},{"name":"Śubha","start":"09:57","end":"11:08","startHours":9.952962151597292,"endHours":11.12745089516028,"quality":"auspicious"},{"name":"Roga","start":"11:08","end":"12:18","startHours":11.12745089516028,"endHours":12.301939638723269,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:29","startHours":12.301939638723269,"endHours":13.476428382286258,"quality":"inauspicious"},{"name":"Chala","start":"13:29","end":"14:39","startHours":13.476428382286258,"endHours":14.650917125849245,"quality":"neutral"},{"name":"Labha","start":"14:39","end":"15:50","startHours":14.650917125849245,"endHours":15.825405869412233,"quality":"auspicious"},{"name":"Amṛta","start":"15:50","end":"17:00","startHours":15.825405869412233,"endHours":16.999894612975222,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:00","end":"18:50","startHours":16.999894612975222,"endHours":18.825405869412233,"quality":"neutral"},{"name":"Labha","start":"18:50","end":"20:39","startHours":18.825405869412233,"endHours":20.650917125849247,"quality":"auspicious"},{"name":"Amṛta","start":"20:39","end":"22:29","startHours":20.650917125849247,"endHours":22.476428382286258,"quality":"auspicious"},{"name":"Kāla","start":"22:29","end":"00:18","startHours":22.476428382286258,"endHours":24.30193963872327,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:08","startHours":24.30193963872327,"endHours":26.12745089516028,"quality":"auspicious"},{"name":"Roga","start":"02:08","end":"03:57","startHours":26.12745089516028,"endHours":27.95296215159729,"quality":"inauspicious"},{"name":"Udveg","start":"03:57","end":"05:47","startHours":27.95296215159729,"endHours":29.778473408034305,"quality":"inauspicious"},{"name":"Chala","start":"05:47","end":"07:36","startHours":29.778473408034305,"endHours":31.603984664471316,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.603984664471316,"endHours":8.603984664471316,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.603984664471316,"endHours":9.603984664471316,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.603984664471316,"endHours":10.603984664471316,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.603984664471316,"endHours":11.603984664471316,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.603984664471316,"endHours":12.603984664471316,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.603984664471316,"endHours":13.603984664471316,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.603984664471316,"endHours":14.603984664471316,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.603984664471316,"endHours":15.603984664471316,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.603984664471316,"endHours":16.603984664471316,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.603984664471316,"endHours":17.603984664471316,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.603984664471316,"endHours":18.603984664471316,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.603984664471316,"endHours":19.603984664471316,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.603984664471316,"endHours":20.603984664471316,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.603984664471316,"endHours":21.603984664471316,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.603984664471316,"endHours":22.603984664471316,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.603984664471316,"endHours":23.603984664471316,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.603984664471316,"endHours":24.603984664471316,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.603984664471316,"endHours":25.603984664471316,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.603984664471316,"endHours":26.603984664471316,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.603984664471316,"endHours":27.603984664471316,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.603984664471316,"endHours":28.603984664471316,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.603984664471316,"endHours":29.603984664471316,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.603984664471316,"endHours":30.603984664471316,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.603984664471316,"endHours":31.603984664471316,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.99357162167072,"eotMinutes":-3.705178323396069,"ayanamsa":25.1242}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ekādaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"putrada-ekadashi","name":"Pauṣa Putradā Ekādaśī","name_sanskrit":"पौष पुत्रदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Ekādaśī granting putra-prāpti.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 January 1, 2091 CE · Beijing, Beijing · Vidhyamitra","description":"January 1, 2091 CE for Beijing, Beijing: Śukla Ekādaśī, sūryodaya 07:36, sūryāsta 17:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/2091-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/2091-01-01","sa":"https://sa.vidhyamitra.com/city/beijing/2091-01-01","hi":"https://hi.vidhyamitra.com/city/beijing/2091-01-01","x-default":"https://vidhyamitra.com/city/beijing/2091-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:46:37.453Z","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":"2026-06-01T21:46:37.453Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:46:37.453Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}