{"id":"vidhyamitra:city-day:ayodhya:1781-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1781-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1781-02-13","date_display":"February 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371600.770833,"kali_year":4882,"ahargana":1783135.2708,"sun":{"sidereal_longitude":304.6068,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":179.4552,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.8484,"elapsed_within_tithi_degrees":6.8484},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.4552,"elapsed_within_degrees":6.1218},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.0619},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":1781,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371600.770833,"ahargana":1783135.2708,"kali_year":4882,"ayanamsa_lahiri":20.7954,"grahas":{"sun":{"sidereal_longitude":303.991668,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":182.10136799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":1.6447},"mars":{"sidereal_longitude":229.10596799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":302.20926800000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.21486800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":279.4319680000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":240.35956799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":20.9123,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.9123,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371600.770833,"kali_year":4882,"ahargana":1783135.2708,"sun":{"sidereal_longitude":304.6068,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":179.4552,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.8484,"elapsed_within_tithi_degrees":6.8484},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.4552,"elapsed_within_degrees":6.1218},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.0619},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.645,"elongation":125.152},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.645,"opposition_distance":54.848}},"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":"06:39","sunsetLocal":"17:52","solarNoonLocal":"12:16","dayLengthHours":11.217260136613348,"dayLengthDisplay":"11 Hours 13 Mins 02 Secs","nightLengthDisplay":"12 Hours 46 Mins 58 Secs","moonriseLocal":"22:24","moonsetLocal":"09:53","rahuKala":{"name":"Rāhu Kāla","start":"15:04","end":"16:28","startHours":15.06737378849704,"endHours":16.469531305573707,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:28","end":"10:52","startHours":9.458743720190366,"endHours":10.860901237267033,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.66521627142037,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:39","startHours":9.271789384580142,"endHours":9.645698055800587,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:25","startHours":7.121814525062584,"endHours":7.4209414620389405,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.889150083123258,"endHours":12.636967425564148,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:54","startHours":5.158794001155249,"endHours":5.906611343596138,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:39","startHours":5.719657007985916,"endHours":6.654428686037028,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:53","startHours":14.132602110445927,"endHours":14.880419452886816,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:40","end":"18:04","startHours":17.671688822650378,"endHours":18.071688822650376,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:52","end":"18:20","startHours":17.871688822650377,"endHours":18.339074661675934,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:37","end":"19:22","startHours":17.621688822650377,"endHours":19.371688822650377,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.88915008312326,"endHours":24.636967425564148,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:39","end":"08:03","startHours":6.654428686037028,"endHours":8.056586203113696,"quality":"inauspicious"},{"name":"Udveg","start":"08:03","end":"09:28","startHours":8.056586203113696,"endHours":9.458743720190366,"quality":"inauspicious"},{"name":"Chala","start":"09:28","end":"10:52","startHours":9.458743720190366,"endHours":10.860901237267033,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:16","startHours":10.860901237267033,"endHours":12.263058754343703,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.66521627142037,"quality":"auspicious"},{"name":"Kāla","start":"13:40","end":"15:04","startHours":13.66521627142037,"endHours":15.06737378849704,"quality":"inauspicious"},{"name":"Śubha","start":"15:04","end":"16:28","startHours":15.06737378849704,"endHours":16.469531305573707,"quality":"auspicious"},{"name":"Roga","start":"16:28","end":"17:52","startHours":16.469531305573707,"endHours":17.871688822650377,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:52","end":"19:28","startHours":17.871688822650377,"endHours":19.46953130557371,"quality":"inauspicious"},{"name":"Śubha","start":"19:28","end":"21:04","startHours":19.46953130557371,"endHours":21.06737378849704,"quality":"auspicious"},{"name":"Roga","start":"21:04","end":"22:40","startHours":21.06737378849704,"endHours":22.66521627142037,"quality":"inauspicious"},{"name":"Udveg","start":"22:40","end":"00:16","startHours":22.66521627142037,"endHours":24.263058754343703,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:52","startHours":24.263058754343703,"endHours":25.860901237267036,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:28","startHours":25.860901237267036,"endHours":27.458743720190366,"quality":"auspicious"},{"name":"Amṛta","start":"03:28","end":"05:03","startHours":27.458743720190366,"endHours":29.056586203113696,"quality":"auspicious"},{"name":"Kāla","start":"05:03","end":"06:39","startHours":29.056586203113696,"endHours":30.65442868603703,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.654428686037028,"endHours":7.654428686037028,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.654428686037028,"endHours":8.65442868603703,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.65442868603703,"endHours":9.65442868603703,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.65442868603703,"endHours":10.65442868603703,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.65442868603703,"endHours":11.65442868603703,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.65442868603703,"endHours":12.65442868603703,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.65442868603703,"endHours":13.65442868603703,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.65442868603703,"endHours":14.65442868603703,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.65442868603703,"endHours":15.65442868603703,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.65442868603703,"endHours":16.65442868603703,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.65442868603703,"endHours":17.65442868603703,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.65442868603703,"endHours":18.65442868603703,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.65442868603703,"endHours":19.65442868603703,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.65442868603703,"endHours":20.65442868603703,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.65442868603703,"endHours":21.65442868603703,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.65442868603703,"endHours":22.65442868603703,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.65442868603703,"endHours":23.65442868603703,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.65442868603703,"endHours":24.65442868603703,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.65442868603703,"endHours":25.65442868603703,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.65442868603703,"endHours":26.65442868603703,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.65442868603703,"endHours":27.65442868603703,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.65442868603703,"endHours":28.65442868603703,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.65442868603703,"endHours":29.65442868603703,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.65442868603703,"endHours":30.65442868603703,"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":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.25817044145282,"eotMinutes":-14.599525260622107,"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 Pañcamī · Vikram 1838 Ānanda · Śaka 1703 Plava"},"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 February 13, 1781 CE · Ayodhyā · Vidhyamitra","description":"February 13, 1781 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 06:39, sūryāsta 17:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1781-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1781-02-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1781-02-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1781-02-13","x-default":"https://vidhyamitra.com/city/ayodhya/1781-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:20:05.215Z","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":"2026-06-01T07:20:05.215Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:20:05.215Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}