{"id":"vidhyamitra:city-day:beijing:2011-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/beijing/2011-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-13","date_display":"May 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455694.770833,"kali_year":5113,"ahargana":1867229.2708,"sun":{"sidereal_longitude":27.917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":149.5293,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.6123,"elapsed_within_tithi_degrees":1.6123},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5293,"elapsed_within_degrees":2.8626},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4463},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455694.770833,"ahargana":1867229.2708,"kali_year":5113,"ayanamsa_lahiri":24.0117,"grahas":{"sun":{"sidereal_longitude":27.94605899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":146.87575900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.4779},"mars":{"sidereal_longitude":7.108159000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":1.9224590000000035,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":1.0580590000000143,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":2.3639590000000226,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":166.98345900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.2075,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.2075,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455694.770833,"kali_year":5113,"ahargana":1867229.2708,"sun":{"sidereal_longitude":27.917,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":149.5293,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.6123,"elapsed_within_tithi_degrees":1.6123},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5293,"elapsed_within_degrees":2.8626},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.4463},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.478,"elongation":121.612},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.478,"opposition_distance":58.388}},"eclipse_window_40days":[{"offset_days":20,"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":"05:02","sunsetLocal":"19:19","solarNoonLocal":"12:11","dayLengthHours":14.294194314191394,"dayLengthDisplay":"14 Hours 17 Mins 39 Secs","nightLengthDisplay":"9 Hours 42 Mins 21 Secs","moonriseLocal":"13:51","moonsetLocal":"02:22","rahuKala":{"name":"Rāhu Kāla","start":"10:23","end":"12:11","startHours":10.390855065000135,"endHours":12.17762935427406,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:45","end":"17:32","startHours":15.751177932821907,"endHours":17.537952222095832,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:49","end":"08:36","startHours":6.817306486452287,"endHours":8.60408077572621,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:51","startHours":8.365844203823022,"endHours":8.8423173476294,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:38","end":"06:00","startHours":5.626123626936337,"endHours":6.007302141981441,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:39","startHours":11.70115621046768,"endHours":12.65410249808044,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:07","end":"04:05","startHours":3.124639621952843,"endHours":4.077585909565603,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:50","end":"05:02","startHours":3.839349337662413,"endHours":5.0305321971783625,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:31","startHours":14.55999507330596,"endHours":15.512941360918719,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.124726511369758,"endHours":19.524726511369757,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:55","startHours":19.324726511369757,"endHours":19.92031794112773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.074726511369757,"endHours":20.824726511369757,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:39","startHours":23.70115621046768,"endHours":24.65410249808044,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:02","end":"06:49","startHours":5.0305321971783625,"endHours":6.817306486452287,"quality":"neutral"},{"name":"Labha","start":"06:49","end":"08:36","startHours":6.817306486452287,"endHours":8.60408077572621,"quality":"auspicious"},{"name":"Amṛta","start":"08:36","end":"10:23","startHours":8.60408077572621,"endHours":10.390855065000135,"quality":"auspicious"},{"name":"Kāla","start":"10:23","end":"12:11","startHours":10.390855065000135,"endHours":12.17762935427406,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:58","startHours":12.17762935427406,"endHours":13.964403643547985,"quality":"auspicious"},{"name":"Roga","start":"13:58","end":"15:45","startHours":13.964403643547985,"endHours":15.751177932821907,"quality":"inauspicious"},{"name":"Udveg","start":"15:45","end":"17:32","startHours":15.751177932821907,"endHours":17.537952222095832,"quality":"inauspicious"},{"name":"Chala","start":"17:32","end":"19:19","startHours":17.537952222095832,"endHours":19.324726511369757,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:19","end":"20:32","startHours":19.324726511369757,"endHours":20.537952222095832,"quality":"inauspicious"},{"name":"Udveg","start":"20:32","end":"21:45","startHours":20.537952222095832,"endHours":21.75117793282191,"quality":"inauspicious"},{"name":"Chala","start":"21:45","end":"22:58","startHours":21.75117793282191,"endHours":22.964403643547985,"quality":"neutral"},{"name":"Labha","start":"22:58","end":"00:11","startHours":22.964403643547985,"endHours":24.17762935427406,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:23","startHours":24.17762935427406,"endHours":25.390855065000135,"quality":"auspicious"},{"name":"Kāla","start":"01:23","end":"02:36","startHours":25.390855065000135,"endHours":26.60408077572621,"quality":"inauspicious"},{"name":"Śubha","start":"02:36","end":"03:49","startHours":26.60408077572621,"endHours":27.81730648645229,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:02","startHours":27.81730648645229,"endHours":29.030532197178363,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:02","end":"06:02","startHours":5.0305321971783625,"endHours":6.0305321971783625,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:02","end":"07:02","startHours":6.0305321971783625,"endHours":7.0305321971783625,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:02","end":"08:02","startHours":7.0305321971783625,"endHours":8.030532197178363,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:02","end":"09:02","startHours":8.030532197178363,"endHours":9.030532197178363,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:02","end":"10:02","startHours":9.030532197178363,"endHours":10.030532197178363,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:02","end":"11:02","startHours":10.030532197178363,"endHours":11.030532197178363,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:02","end":"12:02","startHours":11.030532197178363,"endHours":12.030532197178363,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:02","end":"13:02","startHours":12.030532197178363,"endHours":13.030532197178363,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:02","end":"14:02","startHours":13.030532197178363,"endHours":14.030532197178363,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:02","end":"15:02","startHours":14.030532197178363,"endHours":15.030532197178363,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:02","end":"16:02","startHours":15.030532197178363,"endHours":16.030532197178363,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:02","end":"17:02","startHours":16.030532197178363,"endHours":17.030532197178363,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:02","end":"18:02","startHours":17.030532197178363,"endHours":18.030532197178363,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:02","end":"19:02","startHours":18.030532197178363,"endHours":19.030532197178363,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:02","end":"20:02","startHours":19.030532197178363,"endHours":20.030532197178363,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:02","end":"21:02","startHours":20.030532197178363,"endHours":21.030532197178363,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:02","end":"22:02","startHours":21.030532197178363,"endHours":22.030532197178363,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:02","end":"23:02","startHours":22.030532197178363,"endHours":23.030532197178363,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:02","end":"00:02","startHours":23.030532197178363,"endHours":24.030532197178363,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:02","end":"01:02","startHours":24.030532197178363,"endHours":25.030532197178363,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:02","end":"02:02","startHours":25.030532197178363,"endHours":26.030532197178363,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:02","end":"03:02","startHours":26.030532197178363,"endHours":27.030532197178363,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:02","end":"04:02","startHours":27.030532197178363,"endHours":28.030532197178363,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:02","end":"05:02","startHours":28.030532197178363,"endHours":29.030532197178363,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Prajāpati","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":18.25440639995871,"eotMinutes":3.7534387435564067,"ayanamsa":24.0117}},"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 Ekādaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"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":"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 13, 2011 CE · Beijing, Beijing · Vidhyamitra","description":"May 13, 2011 CE for Beijing, Beijing: Śukla Ekādaśī, sūryodaya 05:02, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/beijing/2011-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/beijing/2011-05-13","sa":"https://sa.vidhyamitra.com/city/beijing/2011-05-13","hi":"https://hi.vidhyamitra.com/city/beijing/2011-05-13","x-default":"https://vidhyamitra.com/city/beijing/2011-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:37:29.292Z","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":"2026-05-31T17:37:29.292Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:37:29.292Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}