{"id":"vidhyamitra:city-day:ayodhya:1773-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1773-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1773-12-17","date_display":"December 17, 1773 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":1773,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2368985.770833,"kali_year":4875,"ahargana":1780520.2708,"sun":{"sidereal_longitude":245.0133,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":286.638,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.6248,"elapsed_within_tithi_degrees":5.6248},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.638,"elapsed_within_degrees":6.638},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.6513},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1773,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2368985.770833,"ahargana":1780520.2708,"kali_year":4875,"ayanamsa_lahiri":20.6954,"grahas":{"sun":{"sidereal_longitude":244.81528000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":288.09907999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.5844},"mars":{"sidereal_longitude":256.75307999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":257.11318000000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":342.21728,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":293.5176799999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":157.67867999999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":159.4676,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.4676,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"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":1773,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2368985.770833,"kali_year":4875,"ahargana":1780520.2708,"sun":{"sidereal_longitude":245.0133,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":286.638,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.6248,"elapsed_within_tithi_degrees":5.6248},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.638,"elapsed_within_degrees":6.638},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":171.6513},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.584,"elongation":41.625},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.584,"opposition_distance":138.375}},"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":"06:44","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.458420467745043,"dayLengthDisplay":"10 Hours 27 Mins 30 Secs","nightLengthDisplay":"13 Hours 32 Mins 30 Secs","moonriseLocal":"09:26","moonsetLocal":"20:16","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"11:58","startHours":10.658207960246731,"endHours":11.965510518714861,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"15:53","startHours":14.580115635651122,"endHours":15.887418194119252,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:03","end":"09:21","startHours":8.04360284331047,"endHours":9.3509054017786,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.17659839398285,"endHours":9.525212409574353,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.172067804331718,"endHours":7.450959016804919,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.61689650312336,"endHours":12.314124534306362,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:02","startHours":5.341844222476335,"endHours":6.039072253659338,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:44","startHours":5.8647652458635875,"endHours":6.736300284842341,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:24","startHours":13.70858059667237,"endHours":14.405808627855373,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.994720752587384,"endHours":17.394720752587382,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.194720752587383,"endHours":17.63048827207676,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.944720752587383,"endHours":18.694720752587383,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.61689650312336,"endHours":24.314124534306362,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:44","end":"08:03","startHours":6.736300284842341,"endHours":8.04360284331047,"quality":"neutral"},{"name":"Labha","start":"08:03","end":"09:21","startHours":8.04360284331047,"endHours":9.3509054017786,"quality":"auspicious"},{"name":"Amṛta","start":"09:21","end":"10:39","startHours":9.3509054017786,"endHours":10.658207960246731,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"11:58","startHours":10.658207960246731,"endHours":11.965510518714861,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.272813077182992,"quality":"auspicious"},{"name":"Roga","start":"13:16","end":"14:35","startHours":13.272813077182992,"endHours":14.580115635651122,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"15:53","startHours":14.580115635651122,"endHours":15.887418194119252,"quality":"inauspicious"},{"name":"Chala","start":"15:53","end":"17:12","startHours":15.887418194119252,"endHours":17.194720752587383,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:12","end":"18:53","startHours":17.194720752587383,"endHours":18.887418194119252,"quality":"inauspicious"},{"name":"Udveg","start":"18:53","end":"20:35","startHours":18.887418194119252,"endHours":20.580115635651122,"quality":"inauspicious"},{"name":"Chala","start":"20:35","end":"22:16","startHours":20.580115635651122,"endHours":22.27281307718299,"quality":"neutral"},{"name":"Labha","start":"22:16","end":"23:58","startHours":22.27281307718299,"endHours":23.96551051871486,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:39","startHours":23.96551051871486,"endHours":25.65820796024673,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:21","startHours":25.65820796024673,"endHours":27.3509054017786,"quality":"inauspicious"},{"name":"Śubha","start":"03:21","end":"05:03","startHours":27.3509054017786,"endHours":29.04360284331047,"quality":"auspicious"},{"name":"Roga","start":"05:03","end":"06:44","startHours":29.04360284331047,"endHours":30.73630028484234,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.736300284842341,"endHours":7.736300284842341,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.736300284842341,"endHours":8.73630028484234,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.73630028484234,"endHours":9.73630028484234,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.73630028484234,"endHours":10.73630028484234,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.73630028484234,"endHours":11.73630028484234,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.73630028484234,"endHours":12.73630028484234,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.73630028484234,"endHours":13.73630028484234,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.73630028484234,"endHours":14.73630028484234,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.73630028484234,"endHours":15.73630028484234,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.73630028484234,"endHours":16.73630028484234,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.73630028484234,"endHours":17.73630028484234,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.73630028484234,"endHours":18.73630028484234,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.73630028484234,"endHours":19.73630028484234,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.73630028484234,"endHours":20.73630028484234,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.73630028484234,"endHours":21.73630028484234,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.73630028484234,"endHours":22.73630028484234,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.73630028484234,"endHours":23.73630028484234,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.73630028484234,"endHours":24.73630028484234,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.73630028484234,"endHours":25.73630028484234,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.73630028484234,"endHours":26.73630028484234,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.73630028484234,"endHours":27.73630028484234,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.73630028484234,"endHours":28.73630028484234,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.73630028484234,"endHours":29.73630028484234,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.73630028484234,"endHours":30.73630028484234,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.360319192688234,"eotMinutes":3.253368877108411,"ayanamsa":20.6954}},"calendars":{"vikram_samvat":1830,"vikram_samvatsara":"Parābhava","saka_samvat":1695,"saka_samvatsara":"Vijaya","bengali_samvat":1180,"malayalam_era":949,"nanakshahi_year":304,"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 Caturthī · Vikram 1830 Parābhava · Śaka 1695 Vijaya"},"festivals":[{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 1773 CE · Ayodhyā · Vidhyamitra","description":"December 17, 1773 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:44, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1773-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1773-12-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1773-12-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1773-12-17","x-default":"https://vidhyamitra.com/city/ayodhya/1773-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:01:31.056Z","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":"2026-05-31T17:01:31.056Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:01:31.056Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}