{"id":"vidhyamitra:city-day:vrindavan:2177-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2177-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-12-06","date_display":"December 6, 2177 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":2177,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516532.770833,"kali_year":5279,"ahargana":1928067.2708,"sun":{"sidereal_longitude":227.0367,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":47.9544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":180.9178,"elapsed_within_tithi_degrees":0.9178},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.9544,"elapsed_within_degrees":7.9544},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.9911},"karana":{"half_tithi_index":30,"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":2177,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516532.770833,"ahargana":1928067.2708,"kali_year":5279,"ayanamsa_lahiri":26.3385,"grahas":{"sun":{"sidereal_longitude":227.9416,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":50.521600000000035,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":2.4991},"mars":{"sidereal_longitude":194.77589999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":208.05899999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":1.7939000000000078,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":229.399,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":35.55720000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":261.7175,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.7175,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2177,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516532.770833,"kali_year":5279,"ahargana":1928067.2708,"sun":{"sidereal_longitude":227.0367,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":47.9544,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":180.9178,"elapsed_within_tithi_degrees":0.9178},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":47.9544,"elapsed_within_degrees":7.9544},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.9911},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.499,"elongation":179.082},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.499,"opposition_distance":0.918}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-1.455,"elongation":0.707}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:57","sunsetLocal":"17:25","solarNoonLocal":"12:11","dayLengthHours":10.472763871384297,"dayLengthDisplay":"10 Hours 28 Mins 22 Secs","nightLengthDisplay":"13 Hours 31 Mins 38 Secs","moonriseLocal":"17:28","moonsetLocal":"07:15","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:53","startHours":9.56880770757473,"endHours":10.877903191497769,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:30","end":"14:48","startHours":13.496094159343842,"endHours":14.80518964326688,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:57","end":"08:16","startHours":6.950616739728657,"endHours":8.259712223651695,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:45","startHours":9.39426164305166,"endHours":9.743353772097803,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.386981901036336,"endHours":7.666255604273251,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:32","startHours":11.837906546374663,"endHours":12.53609080446695,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:15","startHours":5.554248223544084,"endHours":6.2524324816363706,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:57","startHours":6.077886417113299,"endHours":6.950616739728657,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:38","startHours":13.932459320651521,"endHours":14.630643578743808,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.223380611112955,"endHours":17.623380611112953,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:52","startHours":17.423380611112954,"endHours":17.859745772420634,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.173380611112954,"endHours":18.923380611112954,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:32","startHours":23.837906546374665,"endHours":24.536090804466948,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:57","end":"08:16","startHours":6.950616739728657,"endHours":8.259712223651695,"quality":"inauspicious"},{"name":"Śubha","start":"08:16","end":"09:34","startHours":8.259712223651695,"endHours":9.56880770757473,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:53","startHours":9.56880770757473,"endHours":10.877903191497769,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:11","startHours":10.877903191497769,"endHours":12.186998675420806,"quality":"inauspicious"},{"name":"Chala","start":"12:11","end":"13:30","startHours":12.186998675420806,"endHours":13.496094159343842,"quality":"neutral"},{"name":"Labha","start":"13:30","end":"14:48","startHours":13.496094159343842,"endHours":14.80518964326688,"quality":"auspicious"},{"name":"Amṛta","start":"14:48","end":"16:07","startHours":14.80518964326688,"endHours":16.114285127189916,"quality":"auspicious"},{"name":"Kāla","start":"16:07","end":"17:25","startHours":16.114285127189916,"endHours":17.423380611112954,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:25","end":"19:07","startHours":17.423380611112954,"endHours":19.114285127189916,"quality":"auspicious"},{"name":"Amṛta","start":"19:07","end":"20:48","startHours":19.114285127189916,"endHours":20.80518964326688,"quality":"auspicious"},{"name":"Kāla","start":"20:48","end":"22:30","startHours":20.80518964326688,"endHours":22.49609415934384,"quality":"inauspicious"},{"name":"Śubha","start":"22:30","end":"00:11","startHours":22.49609415934384,"endHours":24.186998675420806,"quality":"auspicious"},{"name":"Roga","start":"00:11","end":"01:53","startHours":24.186998675420806,"endHours":25.87790319149777,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:34","startHours":25.87790319149777,"endHours":27.56880770757473,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:16","startHours":27.56880770757473,"endHours":29.259712223651697,"quality":"neutral"},{"name":"Labha","start":"05:16","end":"06:57","startHours":29.259712223651697,"endHours":30.95061673972866,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.950616739728657,"endHours":7.950616739728657,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.950616739728657,"endHours":8.950616739728657,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.950616739728657,"endHours":9.950616739728657,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.950616739728657,"endHours":10.950616739728657,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.950616739728657,"endHours":11.950616739728657,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.950616739728657,"endHours":12.950616739728657,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.950616739728657,"endHours":13.950616739728657,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.950616739728657,"endHours":14.950616739728657,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.950616739728657,"endHours":15.950616739728657,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.950616739728657,"endHours":16.95061673972866,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.95061673972866,"endHours":17.95061673972866,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.95061673972866,"endHours":18.95061673972866,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.95061673972866,"endHours":19.95061673972866,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.95061673972866,"endHours":20.95061673972866,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.95061673972866,"endHours":21.95061673972866,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.95061673972866,"endHours":22.95061673972866,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.95061673972866,"endHours":23.95061673972866,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.95061673972866,"endHours":24.95061673972866,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.95061673972866,"endHours":25.95061673972866,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.95061673972866,"endHours":26.95061673972866,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.95061673972866,"endHours":27.95061673972866,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.95061673972866,"endHours":28.95061673972866,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.95061673972866,"endHours":29.95061673972866,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.95061673972866,"endHours":30.95061673972866,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","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":-22.51072438868821,"eotMinutes":8.142879474751563,"ayanamsa":26.3385}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Pratipada · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 6, 2177 CE · Vṛndāvana · Vidhyamitra","description":"December 6, 2177 CE for Vṛndāvana: Kṛṣṇa Pratipada, sūryodaya 06:57, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2177-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2177-12-06","sa":"https://sa.vidhyamitra.com/city/vrindavan/2177-12-06","hi":"https://hi.vidhyamitra.com/city/vrindavan/2177-12-06","x-default":"https://vidhyamitra.com/city/vrindavan/2177-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:24:27.348Z","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":"2026-06-01T22:24:27.348Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:24:27.348Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}