{"id":"vidhyamitra:city-day:ayodhya:1660-12-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1660-12-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1660-12-04","date_display":"December 4, 1660 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":1660,"month":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327700.770833,"kali_year":4762,"ahargana":1739235.2708,"sun":{"sidereal_longitude":233.9728,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":251.0006,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.0278,"elapsed_within_tithi_degrees":5.0278},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0006,"elapsed_within_degrees":11.0006},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.9735},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1660,"month":12,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2327700.770833,"ahargana":1739235.2708,"kali_year":4762,"ayanamsa_lahiri":19.1164,"grahas":{"sun":{"sidereal_longitude":233.59987,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":252.23586999999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":4.0457},"mars":{"sidereal_longitude":231.55817000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":251.15076999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":174.47866999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":191.84726999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":213.65327000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":186.9456,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":6.9456,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1660,"month":12,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327700.770833,"kali_year":4762,"ahargana":1739235.2708,"sun":{"sidereal_longitude":233.9728,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":251.0006,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.0278,"elapsed_within_tithi_degrees":5.0278},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0006,"elapsed_within_degrees":11.0006},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":124.9735},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.046,"elongation":17.028},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.046,"opposition_distance":162.972}},"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":"06:36","sunsetLocal":"17:08","solarNoonLocal":"11:52","dayLengthHours":10.541511299016632,"dayLengthDisplay":"10 Hours 32 Mins 29 Secs","nightLengthDisplay":"13 Hours 27 Mins 31 Secs","moonriseLocal":"07:54","moonsetLocal":"18:19","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:33","startHours":9.235008433010792,"endHours":10.55269734538787,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:11","end":"14:30","startHours":13.188075170142028,"endHours":14.505764082519107,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:36","end":"07:55","startHours":6.599630608256634,"endHours":7.917319520633713,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:25","startHours":9.05931657802718,"endHours":9.410700287994402,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:19","startHours":7.03886024571566,"endHours":7.319967213689437,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:13","startHours":11.519002547797728,"endHours":12.22176996773217,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:54","startHours":5.19409576838775,"endHours":5.896863188322191,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:36","startHours":5.721171333338582,"endHours":6.599630608256634,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:38","end":"14:20","startHours":13.627304807601055,"endHours":14.330072227535497,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:56","end":"17:20","startHours":16.941141907273266,"endHours":17.341141907273265,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:08","end":"17:35","startHours":17.141141907273266,"endHours":17.58037154473229,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:53","end":"18:38","startHours":16.891141907273266,"endHours":18.641141907273266,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:13","startHours":23.51900254779773,"endHours":24.22176996773217,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:36","end":"07:55","startHours":6.599630608256634,"endHours":7.917319520633713,"quality":"inauspicious"},{"name":"Śubha","start":"07:55","end":"09:14","startHours":7.917319520633713,"endHours":9.235008433010792,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:33","startHours":9.235008433010792,"endHours":10.55269734538787,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"11:52","startHours":10.55269734538787,"endHours":11.870386257764949,"quality":"inauspicious"},{"name":"Chala","start":"11:52","end":"13:11","startHours":11.870386257764949,"endHours":13.188075170142028,"quality":"neutral"},{"name":"Labha","start":"13:11","end":"14:30","startHours":13.188075170142028,"endHours":14.505764082519107,"quality":"auspicious"},{"name":"Amṛta","start":"14:30","end":"15:49","startHours":14.505764082519107,"endHours":15.823452994896186,"quality":"auspicious"},{"name":"Kāla","start":"15:49","end":"17:08","startHours":15.823452994896186,"endHours":17.141141907273266,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:08","end":"18:49","startHours":17.141141907273266,"endHours":18.823452994896186,"quality":"auspicious"},{"name":"Amṛta","start":"18:49","end":"20:30","startHours":18.823452994896186,"endHours":20.505764082519107,"quality":"auspicious"},{"name":"Kāla","start":"20:30","end":"22:11","startHours":20.505764082519107,"endHours":22.188075170142028,"quality":"inauspicious"},{"name":"Śubha","start":"22:11","end":"23:52","startHours":22.188075170142028,"endHours":23.87038625776495,"quality":"auspicious"},{"name":"Roga","start":"23:52","end":"01:33","startHours":23.87038625776495,"endHours":25.55269734538787,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"03:14","startHours":25.55269734538787,"endHours":27.23500843301079,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:55","startHours":27.23500843301079,"endHours":28.91731952063371,"quality":"neutral"},{"name":"Labha","start":"04:55","end":"06:36","startHours":28.91731952063371,"endHours":30.599630608256632,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.599630608256634,"endHours":7.599630608256634,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.599630608256634,"endHours":8.599630608256634,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.599630608256634,"endHours":9.599630608256634,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.599630608256634,"endHours":10.599630608256634,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.599630608256634,"endHours":11.599630608256634,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.599630608256634,"endHours":12.599630608256634,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.599630608256634,"endHours":13.599630608256634,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.599630608256634,"endHours":14.599630608256634,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.599630608256634,"endHours":15.599630608256634,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.599630608256634,"endHours":16.599630608256632,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.599630608256632,"endHours":17.599630608256632,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.599630608256632,"endHours":18.599630608256632,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.599630608256632,"endHours":19.599630608256632,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.599630608256632,"endHours":20.599630608256632,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.599630608256632,"endHours":21.599630608256632,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.599630608256632,"endHours":22.599630608256632,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.599630608256632,"endHours":23.599630608256632,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.599630608256632,"endHours":24.599630608256632,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.599630608256632,"endHours":25.599630608256632,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.599630608256632,"endHours":26.599630608256632,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.599630608256632,"endHours":27.599630608256632,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.599630608256632,"endHours":28.599630608256632,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.599630608256632,"endHours":29.599630608256632,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.599630608256632,"endHours":30.599630608256632,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.319618345206305,"eotMinutes":8.960824534103129,"ayanamsa":19.1164}},"calendars":{"vikram_samvat":1717,"vikram_samvatsara":"Pramādī","saka_samvat":1582,"saka_samvatsara":"Śārvarī","bengali_samvat":1067,"malayalam_era":836,"nanakshahi_year":191,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvitīyā · Vikram 1717 Pramādī · Śaka 1582 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 4, 1660 CE · Ayodhyā · Vidhyamitra","description":"December 4, 1660 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:36, sūryāsta 17:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1660-12-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1660-12-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/1660-12-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/1660-12-04","x-default":"https://vidhyamitra.com/city/ayodhya/1660-12-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T07:05:16.390Z","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":"2026-06-05T07:05:16.390Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T07:05:16.390Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}