{"id":"vidhyamitra:city-day:ayodhya:1998-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1998-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-04-21","date_display":"April 21, 1998 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":1998,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450924.770833,"kali_year":5100,"ahargana":1862459.2708,"sun":{"sidereal_longitude":7.0281,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":295.5037,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.4756,"elapsed_within_tithi_degrees":0.4756},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5037,"elapsed_within_degrees":2.1703},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.5317},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":1998,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450924.770833,"ahargana":1862459.2708,"kali_year":5100,"ayanamsa_lahiri":23.8293,"grahas":{"sun":{"sidereal_longitude":6.916308000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":292.1208079999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":1.7163},"mars":{"sidereal_longitude":12.171108000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":346.080908,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":323.69990800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":322.030308,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":0.46160800000001245,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":137.945,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.945,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450924.770833,"kali_year":5100,"ahargana":1862459.2708,"sun":{"sidereal_longitude":7.0281,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":295.5037,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.4756,"elapsed_within_tithi_degrees":0.4756},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":295.5037,"elapsed_within_degrees":2.1703},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.5317},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.716,"elongation":71.524},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.716,"opposition_distance":108.476}},"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":12.93073711353273,"dayLengthDisplay":"12 Hours 55 Mins 51 Secs","nightLengthDisplay":"11 Hours 04 Mins 09 Secs","moonriseLocal":"01:31","moonsetLocal":"12:30","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:51","startHours":15.232628797697146,"endHours":16.848970936888737,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:23","startHours":8.76726024093078,"endHours":10.383602380122372,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.616286658505555,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.551747955705235,"endHours":8.982772526156324,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:25","startHours":6.073356675611461,"endHours":6.418176331972334,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.568919948862872,"endHours":12.430969089765055,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:40","startHours":3.8104776807432335,"endHours":4.672526821645415,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:32","startHours":4.457014536419869,"endHours":5.534575962547597,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.155067371569418,"endHours":15.017116512471599,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.26531307608033,"endHours":18.665313076080327,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.465313076080328,"endHours":19.004093789144193,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.215313076080328,"endHours":19.965313076080328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.568919948862874,"endHours":24.430969089765053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:32","end":"07:09","startHours":5.534575962547597,"endHours":7.1509181017391885,"quality":"inauspicious"},{"name":"Udveg","start":"07:09","end":"08:46","startHours":7.1509181017391885,"endHours":8.76726024093078,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:23","startHours":8.76726024093078,"endHours":10.383602380122372,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"12:00","startHours":10.383602380122372,"endHours":11.999944519313964,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.616286658505555,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"15:14","startHours":13.616286658505555,"endHours":15.232628797697146,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:51","startHours":15.232628797697146,"endHours":16.848970936888737,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:28","startHours":16.848970936888737,"endHours":18.465313076080328,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:28","end":"19:51","startHours":18.465313076080328,"endHours":19.848970936888737,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:14","startHours":19.848970936888737,"endHours":21.232628797697146,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:37","startHours":21.232628797697146,"endHours":22.616286658505555,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:00","startHours":22.616286658505555,"endHours":23.999944519313964,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:23","startHours":23.999944519313964,"endHours":25.383602380122372,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:46","startHours":25.383602380122372,"endHours":26.76726024093078,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:09","startHours":26.76726024093078,"endHours":28.150918101739187,"quality":"auspicious"},{"name":"Kāla","start":"04:09","end":"05:32","startHours":28.150918101739187,"endHours":29.5345759625476,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.534575962547597,"endHours":6.534575962547597,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.534575962547597,"endHours":7.534575962547597,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.534575962547597,"endHours":8.534575962547597,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.534575962547597,"endHours":9.534575962547597,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.534575962547597,"endHours":10.534575962547597,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.534575962547597,"endHours":11.534575962547597,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.534575962547597,"endHours":12.534575962547597,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.534575962547597,"endHours":13.534575962547597,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.534575962547597,"endHours":14.534575962547597,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.534575962547597,"endHours":15.534575962547597,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.534575962547597,"endHours":16.5345759625476,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.5345759625476,"endHours":17.5345759625476,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.5345759625476,"endHours":18.5345759625476,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.5345759625476,"endHours":19.5345759625476,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.5345759625476,"endHours":20.5345759625476,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.5345759625476,"endHours":21.5345759625476,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.5345759625476,"endHours":22.5345759625476,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.5345759625476,"endHours":23.5345759625476,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.5345759625476,"endHours":24.5345759625476,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.5345759625476,"endHours":25.5345759625476,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.5345759625476,"endHours":26.5345759625476,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.5345759625476,"endHours":27.5345759625476,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.5345759625476,"endHours":28.5345759625476,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.5345759625476,"endHours":29.5345759625476,"planetary_lord":"Saturn"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.731853138198785,"eotMinutes":1.1873288411622274,"ayanamsa":23.8293}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Daśamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[],"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":[]},"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 21, 1998 CE · Ayodhyā · Vidhyamitra","description":"April 21, 1998 CE for Ayodhyā: Kṛṣṇa Daśamī, sūryodaya 05:32, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1998-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1998-04-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1998-04-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1998-04-21","x-default":"https://vidhyamitra.com/city/ayodhya/1998-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T08:54:31.032Z","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":"2026-05-31T08:54:31.032Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T08:54:31.032Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}