{"id":"vidhyamitra:city-day:ayodhya:2180-12-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2180-12-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-07","date_display":"December 7, 2180 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":2180,"month":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517629.770833,"kali_year":5282,"ahargana":1929164.2708,"sun":{"sidereal_longitude":228.2879,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":104.9003,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.6124,"elapsed_within_tithi_degrees":8.6124},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.9003,"elapsed_within_degrees":11.567},"yoga":{"number":25,"name":"Brahma","sum_longitude":333.1882},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2180,"month":12,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517629.770833,"ahargana":1929164.2708,"kali_year":5282,"ayanamsa_lahiri":26.3805,"grahas":{"sun":{"sidereal_longitude":229.18998599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":102.05998599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-4.4482},"mars":{"sidereal_longitude":56.44208600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":243.28288599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":113.796086,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":212.28068600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":81.099986,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":203.5931,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":23.5931,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2180,"month":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517629.770833,"kali_year":5282,"ahargana":1929164.2708,"sun":{"sidereal_longitude":228.2879,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":104.9003,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":236.6124,"elapsed_within_tithi_degrees":8.6124},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":104.9003,"elapsed_within_degrees":11.567},"yoga":{"number":25,"name":"Brahma","sum_longitude":333.1882},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.448,"elongation":123.388},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.448,"opposition_distance":56.612}},"eclipse_window_40days":[{"offset_days":-5,"type":"lunar","occurs":true,"moon_latitude":-1.399,"opposition_distance":1.186}]},"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":"06:38","sunsetLocal":"17:09","solarNoonLocal":"11:53","dayLengthHours":10.51486414298463,"dayLengthDisplay":"10 Hours 30 Mins 54 Secs","nightLengthDisplay":"13 Hours 29 Mins 06 Secs","moonriseLocal":"20:44","moonsetLocal":"10:06","rahuKala":{"name":"Rāhu Kāla","start":"13:12","end":"14:31","startHours":13.205363075817457,"endHours":14.519721093690537,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:38","end":"07:57","startHours":6.633572986452064,"endHours":7.9479310043251425,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:16","end":"10:35","startHours":9.262289022198221,"endHours":10.5766470400713,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:26","startHours":9.08704128648181,"endHours":9.437536757914632,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:21","startHours":7.07169232574309,"endHours":7.352088702889347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:14","startHours":11.54050958651156,"endHours":12.2415005293772,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"05:56","startHours":5.23159110072078,"endHours":5.932582043586422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:38","startHours":5.757334307870011,"endHours":6.633572986452064,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:39","end":"14:21","startHours":13.643482415108483,"endHours":14.344473357974126,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:57","end":"17:21","startHours":16.948437129436694,"endHours":17.348437129436693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:09","end":"17:35","startHours":17.148437129436694,"endHours":17.58655646872772,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:54","end":"18:39","startHours":16.898437129436694,"endHours":18.648437129436694,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:14","startHours":23.540509586511558,"endHours":24.241500529377202,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:38","end":"07:57","startHours":6.633572986452064,"endHours":7.9479310043251425,"quality":"auspicious"},{"name":"Roga","start":"07:57","end":"09:16","startHours":7.9479310043251425,"endHours":9.262289022198221,"quality":"inauspicious"},{"name":"Udveg","start":"09:16","end":"10:35","startHours":9.262289022198221,"endHours":10.5766470400713,"quality":"inauspicious"},{"name":"Chala","start":"10:35","end":"11:53","startHours":10.5766470400713,"endHours":11.89100505794438,"quality":"neutral"},{"name":"Labha","start":"11:53","end":"13:12","startHours":11.89100505794438,"endHours":13.205363075817457,"quality":"auspicious"},{"name":"Amṛta","start":"13:12","end":"14:31","startHours":13.205363075817457,"endHours":14.519721093690537,"quality":"auspicious"},{"name":"Kāla","start":"14:31","end":"15:50","startHours":14.519721093690537,"endHours":15.834079111563614,"quality":"inauspicious"},{"name":"Śubha","start":"15:50","end":"17:09","startHours":15.834079111563614,"endHours":17.148437129436694,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:09","end":"18:50","startHours":17.148437129436694,"endHours":18.834079111563614,"quality":"auspicious"},{"name":"Kāla","start":"18:50","end":"20:31","startHours":18.834079111563614,"endHours":20.519721093690535,"quality":"inauspicious"},{"name":"Śubha","start":"20:31","end":"22:12","startHours":20.519721093690535,"endHours":22.20536307581746,"quality":"auspicious"},{"name":"Roga","start":"22:12","end":"23:53","startHours":22.20536307581746,"endHours":23.89100505794438,"quality":"inauspicious"},{"name":"Udveg","start":"23:53","end":"01:35","startHours":23.89100505794438,"endHours":25.5766470400713,"quality":"inauspicious"},{"name":"Chala","start":"01:35","end":"03:16","startHours":25.5766470400713,"endHours":27.26228902219822,"quality":"neutral"},{"name":"Labha","start":"03:16","end":"04:57","startHours":27.26228902219822,"endHours":28.94793100432514,"quality":"auspicious"},{"name":"Amṛta","start":"04:57","end":"06:38","startHours":28.94793100432514,"endHours":30.633572986452066,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.633572986452064,"endHours":7.633572986452064,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.633572986452064,"endHours":8.633572986452064,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.633572986452064,"endHours":9.633572986452064,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.633572986452064,"endHours":10.633572986452064,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.633572986452064,"endHours":11.633572986452064,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.633572986452064,"endHours":12.633572986452064,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.633572986452064,"endHours":13.633572986452064,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.633572986452064,"endHours":14.633572986452064,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.633572986452064,"endHours":15.633572986452064,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.633572986452064,"endHours":16.633572986452066,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.633572986452066,"endHours":17.633572986452066,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.633572986452066,"endHours":18.633572986452066,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.633572986452066,"endHours":19.633572986452066,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.633572986452066,"endHours":20.633572986452066,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.633572986452066,"endHours":21.633572986452066,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.633572986452066,"endHours":22.633572986452066,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.633572986452066,"endHours":23.633572986452066,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.633572986452066,"endHours":24.633572986452066,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.633572986452066,"endHours":25.633572986452066,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.633572986452066,"endHours":26.633572986452066,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.633572986452066,"endHours":27.633572986452066,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.633572986452066,"endHours":28.633572986452066,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.633572986452066,"endHours":29.633572986452066,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.633572986452066,"endHours":30.633572986452066,"planetary_lord":"Moon"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.655285506376522,"eotMinutes":7.723696523337262,"ayanamsa":26.3805}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Pañcamī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 7, 2180 CE · Ayodhyā · Vidhyamitra","description":"December 7, 2180 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 06:38, sūryāsta 17:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2180-12-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2180-12-07","sa":"https://sa.vidhyamitra.com/city/ayodhya/2180-12-07","hi":"https://hi.vidhyamitra.com/city/ayodhya/2180-12-07","x-default":"https://vidhyamitra.com/city/ayodhya/2180-12-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T11:30:10.157Z","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":"2026-05-21T11:30:10.157Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T11:30:10.157Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}