{"id":"vidhyamitra:city-day:ayodhya:2011-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2011-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-16","date_display":"April 16, 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":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455667.770833,"kali_year":5112,"ahargana":1867202.2708,"sun":{"sidereal_longitude":1.8061,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":154.1674,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.3613,"elapsed_within_tithi_degrees":8.3613},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.1674,"elapsed_within_degrees":7.5008},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.9735},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455667.770833,"ahargana":1867202.2708,"kali_year":5112,"ayanamsa_lahiri":24.0107,"grahas":{"sun":{"sidereal_longitude":1.704589999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":152.23499000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-4.4958},"mars":{"sidereal_longitude":346.54599,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":351.11649,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":354.71659,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":329.65909,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":168.71009000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":246.6381,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.6381,"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":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455667.770833,"kali_year":5112,"ahargana":1867202.2708,"sun":{"sidereal_longitude":1.8061,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":154.1674,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.3613,"elapsed_within_tithi_degrees":8.3613},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":154.1674,"elapsed_within_degrees":7.5008},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.9735},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":152.361},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":27.639}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:37","sunsetLocal":"18:25","solarNoonLocal":"12:01","dayLengthHours":12.803883058669388,"dayLengthDisplay":"12 Hours 48 Mins 14 Secs","nightLengthDisplay":"11 Hours 11 Mins 46 Secs","moonriseLocal":"15:58","moonsetLocal":"04:09","rahuKala":{"name":"Rāhu Kāla","start":"08:49","end":"10:25","startHours":8.818507716722678,"endHours":10.418993099056351,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"15:13","startHours":13.619963863723697,"endHours":15.220449246057374,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:37","end":"07:13","startHours":5.617536952055331,"endHours":7.218022334389005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.605109665744855,"endHours":9.0319057677005,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:30","startHours":6.151032079499888,"endHours":6.4924689610644055,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.592682379434379,"endHours":12.446274583345673,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:46","startHours":3.9103525442327456,"endHours":4.763944748144039,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:37","startHours":4.550546697166215,"endHours":5.617536952055331,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.153458991168257,"endHours":15.00705119507955,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.22142001072472,"endHours":18.62142001072472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:57","startHours":18.42142001072472,"endHours":18.954915138169277,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.17142001072472,"endHours":19.92142001072472,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.59268237943438,"endHours":24.44627458334567,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:37","end":"07:13","startHours":5.617536952055331,"endHours":7.218022334389005,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:49","startHours":7.218022334389005,"endHours":8.818507716722678,"quality":"auspicious"},{"name":"Roga","start":"08:49","end":"10:25","startHours":8.818507716722678,"endHours":10.418993099056351,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"12:01","startHours":10.418993099056351,"endHours":12.019478481390024,"quality":"inauspicious"},{"name":"Chala","start":"12:01","end":"13:37","startHours":12.019478481390024,"endHours":13.619963863723697,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"15:13","startHours":13.619963863723697,"endHours":15.220449246057374,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:49","startHours":15.220449246057374,"endHours":16.820934628391047,"quality":"auspicious"},{"name":"Kāla","start":"16:49","end":"18:25","startHours":16.820934628391047,"endHours":18.42142001072472,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:25","end":"19:49","startHours":18.42142001072472,"endHours":19.820934628391047,"quality":"auspicious"},{"name":"Amṛta","start":"19:49","end":"21:13","startHours":19.820934628391047,"endHours":21.220449246057374,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:37","startHours":21.220449246057374,"endHours":22.619963863723697,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:01","startHours":22.619963863723697,"endHours":24.019478481390024,"quality":"auspicious"},{"name":"Roga","start":"00:01","end":"01:25","startHours":24.019478481390024,"endHours":25.41899309905635,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"02:49","startHours":25.41899309905635,"endHours":26.818507716722678,"quality":"inauspicious"},{"name":"Chala","start":"02:49","end":"04:13","startHours":26.818507716722678,"endHours":28.218022334389005,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:37","startHours":28.218022334389005,"endHours":29.61753695205533,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.617536952055331,"endHours":6.617536952055331,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.617536952055331,"endHours":7.617536952055331,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.617536952055331,"endHours":8.617536952055332,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.617536952055332,"endHours":9.617536952055332,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.617536952055332,"endHours":10.617536952055332,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.617536952055332,"endHours":11.617536952055332,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.617536952055332,"endHours":12.617536952055332,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.617536952055332,"endHours":13.617536952055332,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.617536952055332,"endHours":14.617536952055332,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.617536952055332,"endHours":15.617536952055332,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.617536952055332,"endHours":16.61753695205533,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.61753695205533,"endHours":17.61753695205533,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.61753695205533,"endHours":18.61753695205533,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.61753695205533,"endHours":19.61753695205533,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.61753695205533,"endHours":20.61753695205533,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.61753695205533,"endHours":21.61753695205533,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.61753695205533,"endHours":22.61753695205533,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.61753695205533,"endHours":23.61753695205533,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.61753695205533,"endHours":24.61753695205533,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.61753695205533,"endHours":25.61753695205533,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.61753695205533,"endHours":26.61753695205533,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.61753695205533,"endHours":27.61753695205533,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.61753695205533,"endHours":28.61753695205533,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.61753695205533,"endHours":29.61753695205533,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.937622882989947,"eotMinutes":0.015291116598477705,"ayanamsa":24.0107}},"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","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Trayodaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 16, 2011 CE · Ayodhyā · Vidhyamitra","description":"April 16, 2011 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 05:37, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2011-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2011-04-16","sa":"https://sa.vidhyamitra.com/city/ayodhya/2011-04-16","hi":"https://hi.vidhyamitra.com/city/ayodhya/2011-04-16","x-default":"https://vidhyamitra.com/city/ayodhya/2011-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:34:12.672Z","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":"2026-05-15T16:34:12.672Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:34:12.672Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}