{"id":"vidhyamitra:city-day:ayodhya:2156-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2156-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-04-20","date_display":"April 20, 2156 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":2156,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508632.770833,"kali_year":5258,"ahargana":1920167.2708,"sun":{"sidereal_longitude":4.2231,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":5.9693,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.7461,"elapsed_within_tithi_degrees":1.7461},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.9693,"elapsed_within_degrees":5.9693},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1924},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2156,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508632.770833,"ahargana":1920167.2708,"kali_year":5258,"ayanamsa_lahiri":26.0364,"grahas":{"sun":{"sidereal_longitude":4.469738000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":4.541038000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":3.2175},"mars":{"sidereal_longitude":9.506138000000021,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":340.119738,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":66.69003800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":12.08943800000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":136.827338,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":320.2975,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":140.2975,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"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":2156,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508632.770833,"kali_year":5258,"ahargana":1920167.2708,"sun":{"sidereal_longitude":4.2231,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":5.9693,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.7461,"elapsed_within_tithi_degrees":1.7461},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":5.9693,"elapsed_within_degrees":5.9693},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1924},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.217,"elongation":1.746},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.217,"opposition_distance":178.254}},"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":"05:32","sunsetLocal":"18:28","solarNoonLocal":"12:00","dayLengthHours":12.924776725694365,"dayLengthDisplay":"12 Hours 55 Mins 29 Secs","nightLengthDisplay":"11 Hours 04 Mins 31 Secs","moonriseLocal":"05:34","moonsetLocal":"18:27","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:51","startHours":15.234798123662912,"endHours":16.850395214374707,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:23","startHours":8.77240976081573,"endHours":10.388006851527525,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:37","startHours":12.00360394223932,"endHours":13.619201032951114,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.556996815387489,"endHours":8.987822706243968,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:25","startHours":6.079747942962737,"endHours":6.42440865564792,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.57277805138284,"endHours":12.434429833095798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:41","startHours":3.8179120159662228,"endHours":4.67956379767918,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:32","startHours":4.464150852250941,"endHours":5.541215579392138,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.157733396521714,"endHours":15.019385178234671,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.265992305086503,"endHours":18.6659923050865,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.465992305086502,"endHours":19.0045246686571,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.215992305086502,"endHours":19.965992305086502,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.57277805138284,"endHours":24.4344298330958,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:32","end":"07:09","startHours":5.541215579392138,"endHours":7.156812670103934,"quality":"inauspicious"},{"name":"Udveg","start":"07:09","end":"08:46","startHours":7.156812670103934,"endHours":8.77240976081573,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:23","startHours":8.77240976081573,"endHours":10.388006851527525,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"12:00","startHours":10.388006851527525,"endHours":12.00360394223932,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:37","startHours":12.00360394223932,"endHours":13.619201032951114,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"15:14","startHours":13.619201032951114,"endHours":15.234798123662912,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:51","startHours":15.234798123662912,"endHours":16.850395214374707,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:28","startHours":16.850395214374707,"endHours":18.465992305086502,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:28","end":"19:51","startHours":18.465992305086502,"endHours":19.850395214374707,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:14","startHours":19.850395214374707,"endHours":21.234798123662912,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:37","startHours":21.234798123662912,"endHours":22.619201032951114,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:00","startHours":22.619201032951114,"endHours":24.00360394223932,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:23","startHours":24.00360394223932,"endHours":25.388006851527525,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:46","startHours":25.388006851527525,"endHours":26.772409760815727,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:09","startHours":26.772409760815727,"endHours":28.156812670103932,"quality":"auspicious"},{"name":"Kāla","start":"04:09","end":"05:32","startHours":28.156812670103932,"endHours":29.541215579392137,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.541215579392138,"endHours":6.541215579392138,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.541215579392138,"endHours":7.541215579392138,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.541215579392138,"endHours":8.541215579392137,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.541215579392137,"endHours":9.541215579392137,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.541215579392137,"endHours":10.541215579392137,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.541215579392137,"endHours":11.541215579392137,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.541215579392137,"endHours":12.541215579392137,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.541215579392137,"endHours":13.541215579392137,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.541215579392137,"endHours":14.541215579392137,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.541215579392137,"endHours":15.541215579392137,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.541215579392137,"endHours":16.541215579392137,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.541215579392137,"endHours":17.541215579392137,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.541215579392137,"endHours":18.541215579392137,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.541215579392137,"endHours":19.541215579392137,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.541215579392137,"endHours":20.541215579392137,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.541215579392137,"endHours":21.541215579392137,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.541215579392137,"endHours":22.541215579392137,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.541215579392137,"endHours":23.541215579392137,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.541215579392137,"endHours":24.541215579392137,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.541215579392137,"endHours":25.541215579392137,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.541215579392137,"endHours":26.541215579392137,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.541215579392137,"endHours":27.541215579392137,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.541215579392137,"endHours":28.541215579392137,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.541215579392137,"endHours":29.541215579392137,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.648157728760468,"eotMinutes":0.9677634656409275,"ayanamsa":26.0364}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pratipada · Vikram 2213 Śukla · Śaka 2078 Nala"},"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}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 20, 2156 CE · Ayodhyā · Vidhyamitra","description":"April 20, 2156 CE for Ayodhyā: Śukla Pratipada, sūryodaya 05:32, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2156-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2156-04-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2156-04-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2156-04-20","x-default":"https://vidhyamitra.com/city/ayodhya/2156-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T20:19:49.586Z","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":"2026-05-22T20:19:49.586Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T20:19:49.586Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}