{"id":"vidhyamitra:city-day:beijing:2011-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/2011-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-15","date_display":"May 15, 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":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455696.770833,"kali_year":5113,"ahargana":1867231.2708,"sun":{"sidereal_longitude":29.8352,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":178.4431,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.6078,"elapsed_within_tithi_degrees":4.6078},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.4431,"elapsed_within_degrees":5.1097},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.2783},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455696.770833,"ahargana":1867231.2708,"kali_year":5113,"ayanamsa_lahiri":24.0118,"grahas":{"sun":{"sidereal_longitude":29.876081999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":176.36888199999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":-4.131},"mars":{"sidereal_longitude":8.60878200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":4.422781999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":1.510881999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":4.790581999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":166.887882,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.1015,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.1015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455696.770833,"kali_year":5113,"ahargana":1867231.2708,"sun":{"sidereal_longitude":29.8352,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":178.4431,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":148.6078,"elapsed_within_tithi_degrees":4.6078},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.4431,"elapsed_within_degrees":5.1097},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.2783},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.131,"elongation":148.608},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.131,"opposition_distance":31.392}},"eclipse_window_40days":[{"offset_days":18,"type":"solar","occurs":true,"moon_latitude":1.195,"elongation":1.712}]},"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":"05:00","sunsetLocal":"19:21","solarNoonLocal":"12:11","dayLengthHours":14.35808080940926,"dayLengthDisplay":"14 Hours 21 Mins 29 Secs","nightLengthDisplay":"9 Hours 38 Mins 31 Secs","moonriseLocal":"16:20","moonsetLocal":"03:33","rahuKala":{"name":"Rāhu Kāla","start":"17:34","end":"19:21","startHours":17.561863621263036,"endHours":19.356623722439195,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:58","startHours":12.177583317734566,"endHours":13.972343418910723,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:46","end":"17:34","startHours":15.76710352008688,"endHours":17.561863621263036,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:50","startHours":8.348761768558763,"endHours":8.827364462205738,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:36","end":"05:59","startHours":5.596796280088654,"endHours":5.979678435006234,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:39","startHours":11.698980624087591,"endHours":12.656186011381541,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:05","end":"04:02","startHours":3.0841321384420333,"endHours":4.041337525735984,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:48","end":"05:00","startHours":3.8020361789124966,"endHours":4.998542913029935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:32","startHours":14.57059678596944,"endHours":15.52780217326339,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.156623722439196,"endHours":19.556623722439195,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:57","startHours":19.356623722439195,"endHours":19.954877089497913,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.106623722439195,"endHours":20.856623722439195,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:39","startHours":23.69898062408759,"endHours":24.656186011381543,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:00","end":"06:48","startHours":4.998542913029935,"endHours":6.793303014206092,"quality":"inauspicious"},{"name":"Chala","start":"06:48","end":"08:35","startHours":6.793303014206092,"endHours":8.58806311538225,"quality":"neutral"},{"name":"Labha","start":"08:35","end":"10:23","startHours":8.58806311538225,"endHours":10.382823216558407,"quality":"auspicious"},{"name":"Amṛta","start":"10:23","end":"12:11","startHours":10.382823216558407,"endHours":12.177583317734566,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:58","startHours":12.177583317734566,"endHours":13.972343418910723,"quality":"inauspicious"},{"name":"Śubha","start":"13:58","end":"15:46","startHours":13.972343418910723,"endHours":15.76710352008688,"quality":"auspicious"},{"name":"Roga","start":"15:46","end":"17:34","startHours":15.76710352008688,"endHours":17.561863621263036,"quality":"inauspicious"},{"name":"Udveg","start":"17:34","end":"19:21","startHours":17.561863621263036,"endHours":19.356623722439195,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:21","end":"20:34","startHours":19.356623722439195,"endHours":20.561863621263036,"quality":"auspicious"},{"name":"Roga","start":"20:34","end":"21:46","startHours":20.561863621263036,"endHours":21.76710352008688,"quality":"inauspicious"},{"name":"Udveg","start":"21:46","end":"22:58","startHours":21.76710352008688,"endHours":22.97234341891072,"quality":"inauspicious"},{"name":"Chala","start":"22:58","end":"00:11","startHours":22.97234341891072,"endHours":24.177583317734566,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:23","startHours":24.177583317734566,"endHours":25.382823216558407,"quality":"auspicious"},{"name":"Amṛta","start":"01:23","end":"02:35","startHours":25.382823216558407,"endHours":26.588063115382248,"quality":"auspicious"},{"name":"Kāla","start":"02:35","end":"03:48","startHours":26.588063115382248,"endHours":27.793303014206092,"quality":"inauspicious"},{"name":"Śubha","start":"03:48","end":"05:00","startHours":27.793303014206092,"endHours":28.998542913029937,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:00","end":"06:00","startHours":4.998542913029935,"endHours":5.998542913029935,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:00","end":"07:00","startHours":5.998542913029935,"endHours":6.998542913029935,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:00","end":"08:00","startHours":6.998542913029935,"endHours":7.998542913029935,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:00","end":"09:00","startHours":7.998542913029935,"endHours":8.998542913029935,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:00","end":"10:00","startHours":8.998542913029935,"endHours":9.998542913029935,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:00","end":"11:00","startHours":9.998542913029935,"endHours":10.998542913029935,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:00","end":"12:00","startHours":10.998542913029935,"endHours":11.998542913029935,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:00","end":"13:00","startHours":11.998542913029935,"endHours":12.998542913029935,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:00","end":"14:00","startHours":12.998542913029935,"endHours":13.998542913029935,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:00","end":"15:00","startHours":13.998542913029935,"endHours":14.998542913029935,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:00","end":"16:00","startHours":14.998542913029935,"endHours":15.998542913029935,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:00","end":"17:00","startHours":15.998542913029935,"endHours":16.998542913029937,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:00","end":"18:00","startHours":16.998542913029937,"endHours":17.998542913029937,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:00","end":"19:00","startHours":17.998542913029937,"endHours":18.998542913029937,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:00","end":"20:00","startHours":18.998542913029937,"endHours":19.998542913029937,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:00","end":"21:00","startHours":19.998542913029937,"endHours":20.998542913029937,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:00","end":"22:00","startHours":20.998542913029937,"endHours":21.998542913029937,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:00","end":"23:00","startHours":21.998542913029937,"endHours":22.998542913029937,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:00","end":"00:00","startHours":22.998542913029937,"endHours":23.998542913029937,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:00","end":"01:00","startHours":23.998542913029937,"endHours":24.998542913029937,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:00","end":"02:00","startHours":24.998542913029937,"endHours":25.998542913029937,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:00","end":"03:00","startHours":25.998542913029937,"endHours":26.998542913029937,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:00","end":"04:00","startHours":26.998542913029937,"endHours":27.998542913029937,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:00","end":"05:00","startHours":27.998542913029937,"endHours":28.998542913029937,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","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":18.742422859600484,"eotMinutes":3.7562009359260493,"ayanamsa":24.0118}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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 Trayodaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi_ingress":"Vṛṣabha"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 15, 2011 CE · Beijing, Beijing · Vidhyamitra","description":"May 15, 2011 CE for Beijing, Beijing: Śukla Trayodaśī, sūryodaya 05:00, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/2011-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/2011-05-15","sa":"https://sa.vidhyamitra.com/city/beijing/2011-05-15","hi":"https://hi.vidhyamitra.com/city/beijing/2011-05-15","x-default":"https://vidhyamitra.com/city/beijing/2011-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T10:59:26.000Z","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":"2026-06-01T10:59:26.000Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T10:59:26.000Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}