{"id":"vidhyamitra:city-day:ayodhya:1991-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1991-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1991-04-13","date_display":"April 13, 1991 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1991,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448359.770833,"kali_year":5092,"ahargana":1859894.2708,"sun":{"sidereal_longitude":359.0484,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":335.3962,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.3478,"elapsed_within_tithi_degrees":0.3478},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.3962,"elapsed_within_degrees":2.0629},"yoga":{"number":26,"name":"Indra","sum_longitude":334.4446},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":1991,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448359.770833,"ahargana":1859894.2708,"kali_year":5092,"ayanamsa_lahiri":23.7312,"grahas":{"sun":{"sidereal_longitude":358.89061,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":335.90371000000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":3.9554},"mars":{"sidereal_longitude":71.80461000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":2.3044100000000185,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":99.98081000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":36.46440999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":281.99870999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":273.8511,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":93.8511,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1991,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448359.770833,"kali_year":5092,"ahargana":1859894.2708,"sun":{"sidereal_longitude":359.0484,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":335.3962,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.3478,"elapsed_within_tithi_degrees":0.3478},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.3962,"elapsed_within_degrees":2.0629},"yoga":{"number":26,"name":"Indra","sum_longitude":334.4446},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.955,"elongation":23.652},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.955,"opposition_distance":156.348}},"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":"05:40","sunsetLocal":"18:24","solarNoonLocal":"12:02","dayLengthHours":12.724368986615609,"dayLengthDisplay":"12 Hours 43 Mins 28 Secs","nightLengthDisplay":"11 Hours 16 Mins 32 Secs","moonriseLocal":"04:28","moonsetLocal":"16:32","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:27","startHours":8.851471267174503,"endHours":10.442017390501455,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"15:13","startHours":13.623109637155357,"endHours":15.213655760482307,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:40","end":"07:16","startHours":5.670379020520602,"endHours":7.260925143847553,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:04","startHours":8.63939845073091,"endHours":9.063544083618098,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:12","end":"06:32","startHours":6.200561061629585,"endHours":6.539877567939335,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:27","startHours":11.60841788094122,"endHours":12.456709146715594,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:49","startHours":3.973796488971854,"endHours":4.822087754746228,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:40","startHours":4.610014938302634,"endHours":5.670379020520602,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.153291678264342,"endHours":15.001582944038717,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.194748007136212,"endHours":18.59474800713621,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:55","startHours":18.39474800713621,"endHours":18.924930048245194,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.14474800713621,"endHours":19.89474800713621,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:27","startHours":23.60841788094122,"endHours":24.456709146715593,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:40","end":"07:16","startHours":5.670379020520602,"endHours":7.260925143847553,"quality":"inauspicious"},{"name":"Śubha","start":"07:16","end":"08:51","startHours":7.260925143847553,"endHours":8.851471267174503,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:27","startHours":8.851471267174503,"endHours":10.442017390501455,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:02","startHours":10.442017390501455,"endHours":12.032563513828407,"quality":"inauspicious"},{"name":"Chala","start":"12:02","end":"13:37","startHours":12.032563513828407,"endHours":13.623109637155357,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"15:13","startHours":13.623109637155357,"endHours":15.213655760482307,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:48","startHours":15.213655760482307,"endHours":16.80420188380926,"quality":"auspicious"},{"name":"Kāla","start":"16:48","end":"18:24","startHours":16.80420188380926,"endHours":18.39474800713621,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:24","end":"19:48","startHours":18.39474800713621,"endHours":19.80420188380926,"quality":"auspicious"},{"name":"Amṛta","start":"19:48","end":"21:13","startHours":19.80420188380926,"endHours":21.21365576048231,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:37","startHours":21.21365576048231,"endHours":22.62310963715536,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:02","startHours":22.62310963715536,"endHours":24.032563513828407,"quality":"auspicious"},{"name":"Roga","start":"00:02","end":"01:27","startHours":24.032563513828407,"endHours":25.442017390501455,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:51","startHours":25.442017390501455,"endHours":26.851471267174503,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:16","startHours":26.851471267174503,"endHours":28.260925143847555,"quality":"neutral"},{"name":"Labha","start":"04:16","end":"05:40","startHours":28.260925143847555,"endHours":29.670379020520603,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.670379020520602,"endHours":6.670379020520602,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.670379020520602,"endHours":7.670379020520602,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.670379020520602,"endHours":8.670379020520603,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.670379020520603,"endHours":9.670379020520603,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.670379020520603,"endHours":10.670379020520603,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.670379020520603,"endHours":11.670379020520603,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.670379020520603,"endHours":12.670379020520603,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.670379020520603,"endHours":13.670379020520603,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.670379020520603,"endHours":14.670379020520603,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.670379020520603,"endHours":15.670379020520603,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.670379020520603,"endHours":16.670379020520603,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.670379020520603,"endHours":17.670379020520603,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.670379020520603,"endHours":18.670379020520603,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.670379020520603,"endHours":19.670379020520603,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.670379020520603,"endHours":20.670379020520603,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.670379020520603,"endHours":21.670379020520603,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.670379020520603,"endHours":22.670379020520603,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.670379020520603,"endHours":23.670379020520603,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.670379020520603,"endHours":24.670379020520603,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.670379020520603,"endHours":25.670379020520603,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.670379020520603,"endHours":26.670379020520603,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.670379020520603,"endHours":27.670379020520603,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.670379020520603,"endHours":28.670379020520603,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.670379020520603,"endHours":29.670379020520603,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.800037719588031,"eotMinutes":-0.7698108297043191,"ayanamsa":23.7312}},"calendars":{"vikram_samvat":2048,"vikram_samvatsara":"Tāraṇa","saka_samvat":1913,"saka_samvatsara":"Prajāpati","bengali_samvat":1398,"malayalam_era":1167,"nanakshahi_year":522,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2048 Tāraṇa · Śaka 1913 Prajāpati"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"Dedicated festival walk for Māsika Śivarātri is not live yet; 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 13, 1991 CE · Ayodhyā · Vidhyamitra","description":"April 13, 1991 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:40, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1991-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1991-04-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1991-04-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1991-04-13","x-default":"https://vidhyamitra.com/city/ayodhya/1991-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T10:29:23.697Z","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":"2026-09-11T10:29:23.697Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T10:29:23.697Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}