{"id":"vidhyamitra:city-day:ayodhya:1815-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1815-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-02-01","date_display":"February 1, 1815 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":1815,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384005.770833,"kali_year":4916,"ahargana":1795540.2708,"sun":{"sidereal_longitude":290.5678,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.1997,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.6319,"elapsed_within_tithi_degrees":0.6319},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.1997,"elapsed_within_degrees":8.533},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.7675},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1815,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384005.770833,"ahargana":1795540.2708,"kali_year":4916,"ayanamsa_lahiri":21.2699,"grahas":{"sun":{"sidereal_longitude":290.10650499999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":198.048405,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":4.1845},"mars":{"sidereal_longitude":240.831905,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":293.3359049999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":170.757705,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"venus":{"sidereal_longitude":301.45860500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":284.65550499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":83.6357,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":263.6357,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1815,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384005.770833,"kali_year":4916,"ahargana":1795540.2708,"sun":{"sidereal_longitude":290.5678,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":195.1997,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.6319,"elapsed_within_tithi_degrees":0.6319},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.1997,"elapsed_within_degrees":8.533},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.7675},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.184,"elongation":95.368},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.184,"opposition_distance":84.632}},"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":"06:47","sunsetLocal":"17:42","solarNoonLocal":"12:15","dayLengthHours":10.920119266205809,"dayLengthDisplay":"10 Hours 55 Mins 12 Secs","nightLengthDisplay":"13 Hours 04 Mins 48 Secs","moonriseLocal":"00:34","moonsetLocal":"11:39","rahuKala":{"name":"Rāhu Kāla","start":"12:15","end":"13:37","startHours":12.247889135289928,"endHours":13.612904043565653,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:09","end":"09:31","startHours":8.152844410462748,"endHours":9.517859318738473,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:53","end":"12:15","startHours":10.8828742270142,"endHours":12.247889135289928,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.335857330968377,"endHours":9.699861306508572,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.242834471612264,"endHours":7.534037652044419,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.883885159749735,"endHours":12.61189311083012,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.331813600026248,"endHours":6.0598215511066345,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:47","startHours":5.877819563336538,"endHours":6.787829502187022,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.067909012990896,"endHours":14.795916964071283,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.507948768392833,"endHours":17.90794876839283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:10","startHours":17.707948768392832,"endHours":18.162953737818075,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.457948768392832,"endHours":19.207948768392832,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.883885159749735,"endHours":24.61189311083012,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:47","end":"08:09","startHours":6.787829502187022,"endHours":8.152844410462748,"quality":"auspicious"},{"name":"Amṛta","start":"08:09","end":"09:31","startHours":8.152844410462748,"endHours":9.517859318738473,"quality":"auspicious"},{"name":"Kāla","start":"09:31","end":"10:53","startHours":9.517859318738473,"endHours":10.8828742270142,"quality":"inauspicious"},{"name":"Śubha","start":"10:53","end":"12:15","startHours":10.8828742270142,"endHours":12.247889135289928,"quality":"auspicious"},{"name":"Roga","start":"12:15","end":"13:37","startHours":12.247889135289928,"endHours":13.612904043565653,"quality":"inauspicious"},{"name":"Udveg","start":"13:37","end":"14:59","startHours":13.612904043565653,"endHours":14.977918951841378,"quality":"inauspicious"},{"name":"Chala","start":"14:59","end":"16:21","startHours":14.977918951841378,"endHours":16.342933860117107,"quality":"neutral"},{"name":"Labha","start":"16:21","end":"17:42","startHours":16.342933860117107,"endHours":17.707948768392832,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:42","end":"19:21","startHours":17.707948768392832,"endHours":19.342933860117107,"quality":"inauspicious"},{"name":"Chala","start":"19:21","end":"20:59","startHours":19.342933860117107,"endHours":20.97791895184138,"quality":"neutral"},{"name":"Labha","start":"20:59","end":"22:37","startHours":20.97791895184138,"endHours":22.612904043565653,"quality":"auspicious"},{"name":"Amṛta","start":"22:37","end":"00:15","startHours":22.612904043565653,"endHours":24.247889135289928,"quality":"auspicious"},{"name":"Kāla","start":"00:15","end":"01:53","startHours":24.247889135289928,"endHours":25.882874227014202,"quality":"inauspicious"},{"name":"Śubha","start":"01:53","end":"03:31","startHours":25.882874227014202,"endHours":27.517859318738473,"quality":"auspicious"},{"name":"Roga","start":"03:31","end":"05:09","startHours":27.517859318738473,"endHours":29.152844410462748,"quality":"inauspicious"},{"name":"Udveg","start":"05:09","end":"06:47","startHours":29.152844410462748,"endHours":30.787829502187023,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.787829502187022,"endHours":7.787829502187022,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.787829502187022,"endHours":8.787829502187023,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.787829502187023,"endHours":9.787829502187023,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.787829502187023,"endHours":10.787829502187023,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.787829502187023,"endHours":11.787829502187023,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.787829502187023,"endHours":12.787829502187023,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.787829502187023,"endHours":13.787829502187023,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.787829502187023,"endHours":14.787829502187023,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.787829502187023,"endHours":15.787829502187023,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.787829502187023,"endHours":16.787829502187023,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.787829502187023,"endHours":17.787829502187023,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.787829502187023,"endHours":18.787829502187023,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.787829502187023,"endHours":19.787829502187023,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.787829502187023,"endHours":20.787829502187023,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.787829502187023,"endHours":21.787829502187023,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.787829502187023,"endHours":22.787829502187023,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.787829502187023,"endHours":23.787829502187023,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.787829502187023,"endHours":24.787829502187023,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.787829502187023,"endHours":25.787829502187023,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.787829502187023,"endHours":26.787829502187023,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.787829502187023,"endHours":27.787829502187023,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.787829502187023,"endHours":28.787829502187023,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.787829502187023,"endHours":29.787829502187023,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.787829502187023,"endHours":30.787829502187023,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.364639139238193,"eotMinutes":-13.689348117395623,"ayanamsa":21.2699}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 February 1, 1815 CE · Ayodhyā · Vidhyamitra","description":"February 1, 1815 CE for Ayodhyā: Kṛṣṇa Aṣṭamī, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1815-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1815-02-01","sa":"https://sa.vidhyamitra.com/city/ayodhya/1815-02-01","hi":"https://hi.vidhyamitra.com/city/ayodhya/1815-02-01","x-default":"https://vidhyamitra.com/city/ayodhya/1815-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T17:50:29.471Z","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":"2026-05-21T17:50:29.471Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T17:50:29.471Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}