{"id":"vidhyamitra:city-day:ayodhya:1770-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1770-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1770-12-17","date_display":"December 17, 1770 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":1770,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2367889.770833,"kali_year":4872,"ahargana":1779424.2708,"sun":{"sidereal_longitude":244.7835,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":245.0339,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.2504,"elapsed_within_tithi_degrees":0.2504},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.0339,"elapsed_within_degrees":5.0339},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.8174},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1770,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2367889.770833,"ahargana":1779424.2708,"kali_year":4872,"ayanamsa_lahiri":20.6535,"grahas":{"sun":{"sidereal_longitude":244.57985499999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":243.38725499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":2.0758},"mars":{"sidereal_longitude":65.00395500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":245.94215499999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":256.15465500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":279.38245499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":117.56185499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":217.5389,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":37.5389,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1770,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2367889.770833,"kali_year":4872,"ahargana":1779424.2708,"sun":{"sidereal_longitude":244.7835,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":245.0339,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.2504,"elapsed_within_tithi_degrees":0.2504},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.0339,"elapsed_within_degrees":5.0339},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.8174},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.076,"elongation":0.25},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.076,"opposition_distance":179.75}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":-0.993,"opposition_distance":0.615}]},"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":"06:44","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.459201013612551,"dayLengthDisplay":"10 Hours 27 Mins 33 Secs","nightLengthDisplay":"13 Hours 32 Mins 27 Secs","moonriseLocal":"06:41","moonsetLocal":"17:06","rahuKala":{"name":"Rāhu Kāla","start":"08:03","end":"09:21","startHours":8.043310138610154,"endHours":9.350710265311722,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:39","end":"11:58","startHours":10.658110392013292,"endHours":11.965510518714861,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:16","end":"14:35","startHours":13.27291064541643,"endHours":14.580310772117999,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.17639024841818,"endHours":9.525030282205265,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.171710054142441,"endHours":7.450622081172109,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.616870484927777,"endHours":12.314150552501946,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:02","startHours":5.341349876760245,"endHours":6.0386299443344145,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:44","startHours":5.864309927440872,"endHours":6.735910011908585,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:24","startHours":13.708710687650285,"endHours":14.405990755224455,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.995111025521137,"endHours":17.395111025521135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.195111025521136,"endHours":17.630911067754994,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.945111025521136,"endHours":18.695111025521136,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.616870484927777,"endHours":24.314150552501946,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:44","end":"08:03","startHours":6.735910011908585,"endHours":8.043310138610154,"quality":"auspicious"},{"name":"Kāla","start":"08:03","end":"09:21","startHours":8.043310138610154,"endHours":9.350710265311722,"quality":"inauspicious"},{"name":"Śubha","start":"09:21","end":"10:39","startHours":9.350710265311722,"endHours":10.658110392013292,"quality":"auspicious"},{"name":"Roga","start":"10:39","end":"11:58","startHours":10.658110392013292,"endHours":11.965510518714861,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.27291064541643,"quality":"inauspicious"},{"name":"Chala","start":"13:16","end":"14:35","startHours":13.27291064541643,"endHours":14.580310772117999,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"15:53","startHours":14.580310772117999,"endHours":15.887710898819567,"quality":"auspicious"},{"name":"Amṛta","start":"15:53","end":"17:12","startHours":15.887710898819567,"endHours":17.195111025521136,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:12","end":"18:53","startHours":17.195111025521136,"endHours":18.887710898819567,"quality":"neutral"},{"name":"Labha","start":"18:53","end":"20:35","startHours":18.887710898819567,"endHours":20.580310772117997,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"22:16","startHours":20.580310772117997,"endHours":22.27291064541643,"quality":"auspicious"},{"name":"Kāla","start":"22:16","end":"23:58","startHours":22.27291064541643,"endHours":23.96551051871486,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:39","startHours":23.96551051871486,"endHours":25.658110392013292,"quality":"auspicious"},{"name":"Roga","start":"01:39","end":"03:21","startHours":25.658110392013292,"endHours":27.350710265311722,"quality":"inauspicious"},{"name":"Udveg","start":"03:21","end":"05:03","startHours":27.350710265311722,"endHours":29.043310138610153,"quality":"inauspicious"},{"name":"Chala","start":"05:03","end":"06:44","startHours":29.043310138610153,"endHours":30.735910011908587,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.735910011908585,"endHours":7.735910011908585,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.735910011908585,"endHours":8.735910011908585,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.735910011908585,"endHours":9.735910011908585,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.735910011908585,"endHours":10.735910011908585,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.735910011908585,"endHours":11.735910011908585,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.735910011908585,"endHours":12.735910011908585,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.735910011908585,"endHours":13.735910011908585,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.735910011908585,"endHours":14.735910011908585,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.735910011908585,"endHours":15.735910011908585,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.735910011908585,"endHours":16.735910011908587,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.735910011908587,"endHours":17.735910011908587,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.735910011908587,"endHours":18.735910011908587,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.735910011908587,"endHours":19.735910011908587,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.735910011908587,"endHours":20.735910011908587,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.735910011908587,"endHours":21.735910011908587,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.735910011908587,"endHours":22.735910011908587,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.735910011908587,"endHours":23.735910011908587,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.735910011908587,"endHours":24.735910011908587,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.735910011908587,"endHours":25.735910011908587,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.735910011908587,"endHours":26.735910011908587,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.735910011908587,"endHours":27.735910011908587,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.735910011908587,"endHours":28.735910011908587,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.735910011908587,"endHours":29.735910011908587,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.735910011908587,"endHours":30.735910011908587,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.350625173447703,"eotMinutes":3.253368877108411,"ayanamsa":20.6535}},"calendars":{"vikram_samvat":1827,"vikram_samvatsara":"Śobhana","saka_samvat":1692,"saka_samvatsara":"Vikṛti","bengali_samvat":1177,"malayalam_era":946,"nanakshahi_year":301,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pratipada · Vikram 1827 Śobhana · Śaka 1692 Vikṛti"},"festivals":[],"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 December 17, 1770 CE · Ayodhyā · Vidhyamitra","description":"December 17, 1770 CE for Ayodhyā: Śukla Pratipada, sūryodaya 06:44, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1770-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1770-12-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1770-12-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1770-12-17","x-default":"https://vidhyamitra.com/city/ayodhya/1770-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:32:30.377Z","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":"2026-06-02T12:32:30.377Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:32:30.377Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}