{"id":"vidhyamitra:city-day:beijing:2011-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/2011-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-01-28","date_display":"January 28, 2011 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":2011,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455589.770833,"kali_year":5112,"ahargana":1867124.2708,"sun":{"sidereal_longitude":283.7028,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":210.4955,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.7927,"elapsed_within_tithi_degrees":10.7927},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.4955,"elapsed_within_degrees":10.4955},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.1983},"karana":{"half_tithi_index":47,"name":"Gara"},"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":2011,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455589.770833,"ahargana":1867124.2708,"kali_year":5112,"ayanamsa_lahiri":24.0077,"grahas":{"sun":{"sidereal_longitude":283.7417700000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":212.65997000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-2.9073},"mars":{"sidereal_longitude":285.33497,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":265.45187,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":337.02147,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":237.69017000000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.96897,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":250.7709,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.7709,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2011,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455589.770833,"kali_year":5112,"ahargana":1867124.2708,"sun":{"sidereal_longitude":283.7028,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":210.4955,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.7927,"elapsed_within_tithi_degrees":10.7927},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.4955,"elapsed_within_degrees":10.4955},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":134.1983},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.907,"elongation":73.207},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.907,"opposition_distance":106.793}},"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":"07:27","sunsetLocal":"17:28","solarNoonLocal":"12:27","dayLengthHours":10.013488164037916,"dayLengthDisplay":"10 Hours 00 Mins 49 Secs","nightLengthDisplay":"13 Hours 59 Mins 11 Secs","moonriseLocal":"02:48","moonsetLocal":"12:38","rahuKala":{"name":"Rāhu Kāla","start":"11:12","end":"12:27","startHours":11.204744513409691,"endHours":12.456430533914432,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:58","end":"16:13","startHours":14.95980257492391,"endHours":16.21148859542865,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:42","end":"09:57","startHours":8.701372472400212,"endHours":9.953058492904951,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:07","startHours":9.78616702350432,"endHours":10.119949962305583,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:08","startHours":7.866915125397052,"endHours":8.133941476438064,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:47","startHours":12.122647595113168,"endHours":12.790213472715696,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:07","end":"06:47","startHours":6.114554696690417,"endHours":6.782120574292945,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:37","end":"07:27","startHours":6.615229104892313,"endHours":7.449686451895473,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:48","startHours":14.12534522792075,"endHours":14.792911105523277,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.26317461593339,"endHours":17.66317461593339,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:53","startHours":17.46317461593339,"endHours":17.88040328943497,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.21317461593339,"endHours":18.96317461593339,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:47","startHours":24.12264759511317,"endHours":24.790213472715696,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:27","end":"08:42","startHours":7.449686451895473,"endHours":8.701372472400212,"quality":"neutral"},{"name":"Labha","start":"08:42","end":"09:57","startHours":8.701372472400212,"endHours":9.953058492904951,"quality":"auspicious"},{"name":"Amṛta","start":"09:57","end":"11:12","startHours":9.953058492904951,"endHours":11.204744513409691,"quality":"auspicious"},{"name":"Kāla","start":"11:12","end":"12:27","startHours":11.204744513409691,"endHours":12.456430533914432,"quality":"inauspicious"},{"name":"Śubha","start":"12:27","end":"13:42","startHours":12.456430533914432,"endHours":13.70811655441917,"quality":"auspicious"},{"name":"Roga","start":"13:42","end":"14:58","startHours":13.70811655441917,"endHours":14.95980257492391,"quality":"inauspicious"},{"name":"Udveg","start":"14:58","end":"16:13","startHours":14.95980257492391,"endHours":16.21148859542865,"quality":"inauspicious"},{"name":"Chala","start":"16:13","end":"17:28","startHours":16.21148859542865,"endHours":17.46317461593339,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:28","end":"19:13","startHours":17.46317461593339,"endHours":19.21148859542865,"quality":"inauspicious"},{"name":"Udveg","start":"19:13","end":"20:58","startHours":19.21148859542865,"endHours":20.959802574923913,"quality":"inauspicious"},{"name":"Chala","start":"20:58","end":"22:42","startHours":20.959802574923913,"endHours":22.70811655441917,"quality":"neutral"},{"name":"Labha","start":"22:42","end":"00:27","startHours":22.70811655441917,"endHours":24.456430533914432,"quality":"auspicious"},{"name":"Amṛta","start":"00:27","end":"02:12","startHours":24.456430533914432,"endHours":26.204744513409693,"quality":"auspicious"},{"name":"Kāla","start":"02:12","end":"03:57","startHours":26.204744513409693,"endHours":27.95305849290495,"quality":"inauspicious"},{"name":"Śubha","start":"03:57","end":"05:42","startHours":27.95305849290495,"endHours":29.701372472400212,"quality":"auspicious"},{"name":"Roga","start":"05:42","end":"07:27","startHours":29.701372472400212,"endHours":31.449686451895474,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.449686451895473,"endHours":8.449686451895474,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.449686451895474,"endHours":9.449686451895474,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.449686451895474,"endHours":10.449686451895474,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.449686451895474,"endHours":11.449686451895474,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.449686451895474,"endHours":12.449686451895474,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.449686451895474,"endHours":13.449686451895474,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.449686451895474,"endHours":14.449686451895474,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.449686451895474,"endHours":15.449686451895474,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.449686451895474,"endHours":16.449686451895474,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.449686451895474,"endHours":17.449686451895474,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.449686451895474,"endHours":18.449686451895474,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.449686451895474,"endHours":19.449686451895474,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.449686451895474,"endHours":20.449686451895474,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.449686451895474,"endHours":21.449686451895474,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.449686451895474,"endHours":22.449686451895474,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.449686451895474,"endHours":23.449686451895474,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.449686451895474,"endHours":24.449686451895474,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.449686451895474,"endHours":25.449686451895474,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.449686451895474,"endHours":26.449686451895474,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.449686451895474,"endHours":27.449686451895474,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.449686451895474,"endHours":28.449686451895474,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.449686451895474,"endHours":29.449686451895474,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.449686451895474,"endHours":30.449686451895474,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.449686451895474,"endHours":31.449686451895474,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.329736335339728,"eotMinutes":-12.974632034865841,"ayanamsa":24.0077}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 January 28, 2011 CE · Beijing, Beijing · Vidhyamitra","description":"January 28, 2011 CE for Beijing, Beijing: Kṛṣṇa Navamī, sūryodaya 07:27, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/2011-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/2011-01-28","sa":"https://sa.vidhyamitra.com/city/beijing/2011-01-28","hi":"https://hi.vidhyamitra.com/city/beijing/2011-01-28","x-default":"https://vidhyamitra.com/city/beijing/2011-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T13:26:06.722Z","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":"2026-05-24T13:26:06.722Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T13:26:06.722Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}