{"id":"vidhyamitra:city-day:ayodhya:2181-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2181-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-04-01","date_display":"April 1, 2181 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":2181,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517744.770833,"kali_year":5282,"ahargana":1929279.2708,"sun":{"sidereal_longitude":345.1395,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":177.8512,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.7117,"elapsed_within_tithi_degrees":0.7117},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.8512,"elapsed_within_degrees":4.5179},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.9907},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2181,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517744.770833,"ahargana":1929279.2708,"kali_year":5282,"ayanamsa_lahiri":26.3849,"grahas":{"sun":{"sidereal_longitude":345.390192,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":179.84959200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-1.5118},"mars":{"sidereal_longitude":67.697992,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":358.450792,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":103.87769200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"venus":{"sidereal_longitude":356.357592,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":75.66859199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":197.4999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":17.4999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"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":2181,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517744.770833,"kali_year":5282,"ahargana":1929279.2708,"sun":{"sidereal_longitude":345.1395,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":177.8512,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.7117,"elapsed_within_tithi_degrees":0.7117},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.8512,"elapsed_within_degrees":4.5179},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.9907},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.512,"elongation":167.288},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.512,"opposition_distance":12.712}},"eclipse_window_40days":[{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":1.281,"elongation":2.34}]},"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":"05:52","sunsetLocal":"18:19","solarNoonLocal":"12:06","dayLengthHours":12.439318237464342,"dayLengthDisplay":"12 Hours 26 Mins 22 Secs","nightLengthDisplay":"11 Hours 33 Mins 38 Secs","moonriseLocal":"19:21","moonsetLocal":"06:45","rahuKala":{"name":"Rāhu Kāla","start":"16:45","end":"18:19","startHours":16.756882607401653,"endHours":18.311797387084695,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:06","end":"13:39","startHours":12.092138268352524,"endHours":13.647053048035566,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:45","startHours":15.20196782771861,"endHours":16.756882607401653,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:11","startHours":8.774986738362033,"endHours":9.189630679610845,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:43","startHours":6.390784076181368,"endHours":6.722499229180417,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.677494327103712,"endHours":12.506782209601337,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:03","startHours":4.213903384625108,"endHours":5.043191267122731,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:52","startHours":4.835869296498325,"endHours":5.872479149620354,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:00","startHours":14.165357974596581,"endHours":14.994645857094204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.111797387084696,"endHours":18.511797387084695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:50","startHours":18.311797387084695,"endHours":18.83010231364571,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.061797387084695,"endHours":19.811797387084695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.677494327103712,"endHours":24.506782209601337,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:52","end":"07:26","startHours":5.872479149620354,"endHours":7.427393929303396,"quality":"inauspicious"},{"name":"Chala","start":"07:26","end":"08:59","startHours":7.427393929303396,"endHours":8.982308708986439,"quality":"neutral"},{"name":"Labha","start":"08:59","end":"10:32","startHours":8.982308708986439,"endHours":10.537223488669483,"quality":"auspicious"},{"name":"Amṛta","start":"10:32","end":"12:06","startHours":10.537223488669483,"endHours":12.092138268352524,"quality":"auspicious"},{"name":"Kāla","start":"12:06","end":"13:39","startHours":12.092138268352524,"endHours":13.647053048035566,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:12","startHours":13.647053048035566,"endHours":15.20196782771861,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:45","startHours":15.20196782771861,"endHours":16.756882607401653,"quality":"inauspicious"},{"name":"Udveg","start":"16:45","end":"18:19","startHours":16.756882607401653,"endHours":18.311797387084695,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:19","end":"19:45","startHours":18.311797387084695,"endHours":19.756882607401653,"quality":"auspicious"},{"name":"Roga","start":"19:45","end":"21:12","startHours":19.756882607401653,"endHours":21.20196782771861,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:39","startHours":21.20196782771861,"endHours":22.647053048035566,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"00:06","startHours":22.647053048035566,"endHours":24.092138268352524,"quality":"neutral"},{"name":"Labha","start":"00:06","end":"01:32","startHours":24.092138268352524,"endHours":25.537223488669483,"quality":"auspicious"},{"name":"Amṛta","start":"01:32","end":"02:59","startHours":25.537223488669483,"endHours":26.982308708986437,"quality":"auspicious"},{"name":"Kāla","start":"02:59","end":"04:26","startHours":26.982308708986437,"endHours":28.427393929303395,"quality":"inauspicious"},{"name":"Śubha","start":"04:26","end":"05:52","startHours":28.427393929303395,"endHours":29.872479149620354,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.872479149620354,"endHours":6.872479149620354,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.872479149620354,"endHours":7.872479149620354,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.872479149620354,"endHours":8.872479149620354,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.872479149620354,"endHours":9.872479149620354,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.872479149620354,"endHours":10.872479149620354,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.872479149620354,"endHours":11.872479149620354,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.872479149620354,"endHours":12.872479149620354,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.872479149620354,"endHours":13.872479149620354,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.872479149620354,"endHours":14.872479149620354,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.872479149620354,"endHours":15.872479149620354,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.872479149620354,"endHours":16.872479149620354,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.872479149620354,"endHours":17.872479149620354,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.872479149620354,"endHours":18.872479149620354,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.872479149620354,"endHours":19.872479149620354,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.872479149620354,"endHours":20.872479149620354,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.872479149620354,"endHours":21.872479149620354,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.872479149620354,"endHours":22.872479149620354,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.872479149620354,"endHours":23.872479149620354,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.872479149620354,"endHours":24.872479149620354,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.872479149620354,"endHours":25.872479149620354,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.872479149620354,"endHours":26.872479149620354,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.872479149620354,"endHours":27.872479149620354,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.872479149620354,"endHours":28.872479149620354,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.872479149620354,"endHours":29.872479149620354,"planetary_lord":"Jupiter"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.655559511318886,"eotMinutes":-4.344296101151456,"ayanamsa":26.3849}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Dvitīyā · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 1, 2181 CE · Ayodhyā · Vidhyamitra","description":"April 1, 2181 CE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 05:52, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2181-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2181-04-01","sa":"https://sa.vidhyamitra.com/city/ayodhya/2181-04-01","hi":"https://hi.vidhyamitra.com/city/ayodhya/2181-04-01","x-default":"https://vidhyamitra.com/city/ayodhya/2181-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T11:43:31.441Z","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":"2026-05-21T11:43:31.441Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T11:43:31.441Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}