{"id":"vidhyamitra:city-day:ayodhya:1780-02-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1780-02-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1780-02-09","date_display":"February 9, 1780 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":1780,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371230.770833,"kali_year":4881,"ahargana":1782765.2708,"sun":{"sidereal_longitude":299.7935,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.3259,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.5323,"elapsed_within_tithi_degrees":5.5323},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.3259,"elapsed_within_degrees":7.9925},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.1194},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":1780,"month":2,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371230.770833,"ahargana":1782765.2708,"kali_year":4881,"ayanamsa_lahiri":20.7813,"grahas":{"sun":{"sidereal_longitude":299.19950400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":337.74150399999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-3.8639},"mars":{"sidereal_longitude":347.460904,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.591104,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":188.809304,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":328.763204,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":229.37550399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":40.5167,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.5167,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"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":1780,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371230.770833,"kali_year":4881,"ahargana":1782765.2708,"sun":{"sidereal_longitude":299.7935,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.3259,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.5323,"elapsed_within_tithi_degrees":5.5323},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.3259,"elapsed_within_degrees":7.9925},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.1194},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.864,"elongation":41.532},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.864,"opposition_distance":138.468}},"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":"06:43","sunsetLocal":"17:49","solarNoonLocal":"12:16","dayLengthHours":11.105790842808775,"dayLengthDisplay":"11 Hours 06 Mins 21 Secs","nightLengthDisplay":"12 Hours 53 Mins 39 Secs","moonriseLocal":"08:48","moonsetLocal":"20:51","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"13:39","startHours":12.261455162043198,"endHours":13.649679017394295,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:06","end":"09:29","startHours":8.096783595989907,"endHours":9.485007451341003,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:16","startHours":10.873231306692102,"endHours":12.261455162043198,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.299910937294191,"endHours":9.670103965387817,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:28","startHours":7.1713010257558425,"endHours":7.467455448230743,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.891262133949573,"endHours":12.631648190136824,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"05:58","startHours":5.2277876282643065,"endHours":5.968173684451559,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:43","startHours":5.783077170404745,"endHours":6.70855974063881,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:51","startHours":14.112420302511326,"endHours":14.852806358698578,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.614350583447585,"endHours":18.014350583447584,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.814350583447585,"endHours":18.277091868564618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.564350583447585,"endHours":19.314350583447585,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.89126213394957,"endHours":24.631648190136826,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:43","end":"08:06","startHours":6.70855974063881,"endHours":8.096783595989907,"quality":"auspicious"},{"name":"Amṛta","start":"08:06","end":"09:29","startHours":8.096783595989907,"endHours":9.485007451341003,"quality":"auspicious"},{"name":"Kāla","start":"09:29","end":"10:52","startHours":9.485007451341003,"endHours":10.873231306692102,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:16","startHours":10.873231306692102,"endHours":12.261455162043198,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"13:39","startHours":12.261455162043198,"endHours":13.649679017394295,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:02","startHours":13.649679017394295,"endHours":15.037902872745391,"quality":"inauspicious"},{"name":"Chala","start":"15:02","end":"16:26","startHours":15.037902872745391,"endHours":16.426126728096488,"quality":"neutral"},{"name":"Labha","start":"16:26","end":"17:49","startHours":16.426126728096488,"endHours":17.814350583447585,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:49","end":"19:26","startHours":17.814350583447585,"endHours":19.426126728096488,"quality":"inauspicious"},{"name":"Chala","start":"19:26","end":"21:02","startHours":19.426126728096488,"endHours":21.03790287274539,"quality":"neutral"},{"name":"Labha","start":"21:02","end":"22:39","startHours":21.03790287274539,"endHours":22.649679017394295,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:16","startHours":22.649679017394295,"endHours":24.261455162043198,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:52","startHours":24.261455162043198,"endHours":25.873231306692098,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:29","startHours":25.873231306692098,"endHours":27.485007451341005,"quality":"auspicious"},{"name":"Roga","start":"03:29","end":"05:06","startHours":27.485007451341005,"endHours":29.096783595989905,"quality":"inauspicious"},{"name":"Udveg","start":"05:06","end":"06:43","startHours":29.096783595989905,"endHours":30.70855974063881,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.70855974063881,"endHours":7.70855974063881,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.70855974063881,"endHours":8.70855974063881,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.70855974063881,"endHours":9.70855974063881,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.70855974063881,"endHours":10.70855974063881,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.70855974063881,"endHours":11.70855974063881,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.70855974063881,"endHours":12.70855974063881,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.70855974063881,"endHours":13.70855974063881,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.70855974063881,"endHours":14.70855974063881,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.70855974063881,"endHours":15.70855974063881,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.70855974063881,"endHours":16.70855974063881,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.70855974063881,"endHours":17.70855974063881,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.70855974063881,"endHours":18.70855974063881,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.70855974063881,"endHours":19.70855974063881,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.70855974063881,"endHours":20.70855974063881,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.70855974063881,"endHours":21.70855974063881,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.70855974063881,"endHours":22.70855974063881,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.70855974063881,"endHours":23.70855974063881,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.70855974063881,"endHours":24.70855974063881,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.70855974063881,"endHours":25.70855974063881,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.70855974063881,"endHours":26.70855974063881,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.70855974063881,"endHours":27.70855974063881,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.70855974063881,"endHours":28.70855974063881,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.70855974063881,"endHours":29.70855974063881,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.70855974063881,"endHours":30.70855974063881,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.818597412224483,"eotMinutes":-14.503309722591807,"ayanamsa":20.7813}},"calendars":{"vikram_samvat":1837,"vikram_samvatsara":"Pramādī","saka_samvat":1702,"saka_samvatsara":"Śārvarī","bengali_samvat":1187,"malayalam_era":956,"nanakshahi_year":311,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 1837 Pramādī · Śaka 1702 Śārvarī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi_ingress":"Kumbha"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"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 9, 1780 CE · Ayodhyā · Vidhyamitra","description":"February 9, 1780 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:43, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1780-02-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1780-02-09","sa":"https://sa.vidhyamitra.com/city/ayodhya/1780-02-09","hi":"https://hi.vidhyamitra.com/city/ayodhya/1780-02-09","x-default":"https://vidhyamitra.com/city/ayodhya/1780-02-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:40:54.071Z","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":"2026-06-01T21:40:54.071Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:40:54.071Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}