{"id":"vidhyamitra:city-day:ayodhya:1781-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1781-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1781-02-12","date_display":"February 12, 1781 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":1781,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371599.770833,"kali_year":4882,"ahargana":1783134.2708,"sun":{"sidereal_longitude":303.5926,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":165.0458,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.4532,"elapsed_within_tithi_degrees":5.4532},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.0458,"elapsed_within_degrees":5.0458},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.6384},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1781,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371599.770833,"ahargana":1783134.2708,"kali_year":4882,"ayanamsa_lahiri":20.7954,"grahas":{"sun":{"sidereal_longitude":302.9822059999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":167.48110599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":2.6381},"mars":{"sidereal_longitude":228.51820599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":300.470006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.129906,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":278.195506,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":240.28950599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":20.9653,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.9653,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":"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":1781,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371599.770833,"kali_year":4882,"ahargana":1783134.2708,"sun":{"sidereal_longitude":303.5926,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":165.0458,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":221.4532,"elapsed_within_tithi_degrees":5.4532},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":165.0458,"elapsed_within_degrees":5.0458},"yoga":{"number":9,"name":"Śūla","sum_longitude":108.6384},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.638,"elongation":138.547},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.638,"opposition_distance":41.453}},"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":"06:40","sunsetLocal":"17:52","solarNoonLocal":"12:16","dayLengthHours":11.193453292496262,"dayLengthDisplay":"11 Hours 11 Mins 36 Secs","nightLengthDisplay":"12 Hours 48 Mins 24 Secs","moonriseLocal":"21:18","moonsetLocal":"09:10","rahuKala":{"name":"Rāhu Kāla","start":"08:04","end":"09:28","startHours":8.065433883562076,"endHours":9.464615545124108,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:16","startHours":10.86379720668614,"endHours":12.262978868248172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:04","startHours":13.662160529810205,"endHours":15.06134219137224,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.27805799024917,"endHours":9.651173099999045,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.1326461091873865,"endHours":7.431138196987287,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.889863758498299,"endHours":12.63609397799805,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:55","startHours":5.17379178300054,"endHours":5.920022002500292,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.733464447625354,"endHours":6.666252222000042,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:52","startHours":14.128554416997549,"endHours":14.8747846364973,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.659705514496306,"endHours":18.059705514496304,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.859705514496305,"endHours":18.32609940168365,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.609705514496305,"endHours":19.359705514496305,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.8898637584983,"endHours":24.63609397799805,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:04","startHours":6.666252222000042,"endHours":8.065433883562076,"quality":"auspicious"},{"name":"Kāla","start":"08:04","end":"09:28","startHours":8.065433883562076,"endHours":9.464615545124108,"quality":"inauspicious"},{"name":"Śubha","start":"09:28","end":"10:52","startHours":9.464615545124108,"endHours":10.86379720668614,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:16","startHours":10.86379720668614,"endHours":12.262978868248172,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:40","startHours":12.262978868248172,"endHours":13.662160529810205,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:04","startHours":13.662160529810205,"endHours":15.06134219137224,"quality":"neutral"},{"name":"Labha","start":"15:04","end":"16:28","startHours":15.06134219137224,"endHours":16.460523852934273,"quality":"auspicious"},{"name":"Amṛta","start":"16:28","end":"17:52","startHours":16.460523852934273,"endHours":17.859705514496305,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:52","end":"19:28","startHours":17.859705514496305,"endHours":19.460523852934273,"quality":"neutral"},{"name":"Labha","start":"19:28","end":"21:04","startHours":19.460523852934273,"endHours":21.06134219137224,"quality":"auspicious"},{"name":"Amṛta","start":"21:04","end":"22:40","startHours":21.06134219137224,"endHours":22.66216052981021,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:16","startHours":22.66216052981021,"endHours":24.262978868248176,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:52","startHours":24.262978868248176,"endHours":25.863797206686144,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:28","startHours":25.863797206686144,"endHours":27.464615545124108,"quality":"inauspicious"},{"name":"Udveg","start":"03:28","end":"05:04","startHours":27.464615545124108,"endHours":29.065433883562076,"quality":"inauspicious"},{"name":"Chala","start":"05:04","end":"06:40","startHours":29.065433883562076,"endHours":30.666252222000043,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.666252222000042,"endHours":7.666252222000042,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.666252222000042,"endHours":8.666252222000043,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.666252222000043,"endHours":9.666252222000043,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.666252222000043,"endHours":10.666252222000043,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.666252222000043,"endHours":11.666252222000043,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.666252222000043,"endHours":12.666252222000043,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.666252222000043,"endHours":13.666252222000043,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.666252222000043,"endHours":14.666252222000043,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.666252222000043,"endHours":15.666252222000043,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.666252222000043,"endHours":16.666252222000043,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.666252222000043,"endHours":17.666252222000043,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.666252222000043,"endHours":18.666252222000043,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.666252222000043,"endHours":19.666252222000043,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.666252222000043,"endHours":20.666252222000043,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.666252222000043,"endHours":21.666252222000043,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.666252222000043,"endHours":22.666252222000043,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.666252222000043,"endHours":23.666252222000043,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.666252222000043,"endHours":24.666252222000043,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.666252222000043,"endHours":25.666252222000043,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.666252222000043,"endHours":26.666252222000043,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.666252222000043,"endHours":27.666252222000043,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.666252222000043,"endHours":28.666252222000043,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.666252222000043,"endHours":29.666252222000043,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.666252222000043,"endHours":30.666252222000043,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.59330113558729,"eotMinutes":-14.594732094890398,"ayanamsa":20.7954}},"calendars":{"vikram_samvat":1838,"vikram_samvatsara":"Ānanda","saka_samvat":1703,"saka_samvatsara":"Plava","bengali_samvat":1188,"malayalam_era":957,"nanakshahi_year":312,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Caturthī · Vikram 1838 Ānanda · Śaka 1703 Plava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 February 12, 1781 CE · Ayodhyā · Vidhyamitra","description":"February 12, 1781 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 06:40, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1781-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1781-02-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1781-02-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1781-02-12","x-default":"https://vidhyamitra.com/city/ayodhya/1781-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:15:54.636Z","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":"2026-06-02T15:15:54.636Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:15:54.636Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}