{"id":"vidhyamitra:city-day:vrindavan:2180-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2180-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-30","date_display":"December 30, 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":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517652.770833,"kali_year":5282,"ahargana":1929187.2708,"sun":{"sidereal_longitude":251.884,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":49.2811,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":157.3971,"elapsed_within_tithi_degrees":1.3971},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2811,"elapsed_within_degrees":9.2811},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.1651},"karana":{"half_tithi_index":26,"name":"Gara"},"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":2180,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517652.770833,"ahargana":1929187.2708,"kali_year":5282,"ayanamsa_lahiri":26.3814,"grahas":{"sun":{"sidereal_longitude":252.58340700000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":50.59310700000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-2.0348},"mars":{"sidereal_longitude":48.327406999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":264.03060700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":113.04400700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":241.205607,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":79.39810699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":202.3745,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.3745,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2180,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517652.770833,"kali_year":5282,"ahargana":1929187.2708,"sun":{"sidereal_longitude":251.884,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":49.2811,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":157.3971,"elapsed_within_tithi_degrees":1.3971},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2811,"elapsed_within_degrees":9.2811},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.1651},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.035,"elongation":157.397},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.035,"opposition_distance":22.603}},"eclipse_window_40days":[]},"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":"07:10","sunsetLocal":"17:35","solarNoonLocal":"12:22","dayLengthHours":10.421308346402373,"dayLengthDisplay":"10 Hours 25 Mins 17 Secs","nightLengthDisplay":"13 Hours 34 Mins 43 Secs","moonriseLocal":"16:01","moonsetLocal":"05:48","rahuKala":{"name":"Rāhu Kāla","start":"09:46","end":"11:04","startHours":9.764107821737278,"endHours":11.066771365037575,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"14:58","startHours":13.672098451638167,"endHours":14.974761994938465,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:28","startHours":7.158780735136685,"endHours":8.461444278436982,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:56","startHours":9.590419349297239,"endHours":9.937796294177318,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:52","startHours":7.593001916236783,"endHours":7.870903472140847,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:43","startHours":12.022057963457792,"endHours":12.71681185321795,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.769272955616369,"endHours":6.464026845376527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.290338372936487,"endHours":7.158780735136685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:48","startHours":14.106319632738266,"endHours":14.801073522498424,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.380089081539058,"endHours":17.780089081539057,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:01","startHours":17.580089081539057,"endHours":18.014310262639157,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.330089081539057,"endHours":19.080089081539057,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:43","startHours":24.022057963457794,"endHours":24.71681185321795,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:28","startHours":7.158780735136685,"endHours":8.461444278436982,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:46","startHours":8.461444278436982,"endHours":9.764107821737278,"quality":"auspicious"},{"name":"Roga","start":"09:46","end":"11:04","startHours":9.764107821737278,"endHours":11.066771365037575,"quality":"inauspicious"},{"name":"Udveg","start":"11:04","end":"12:22","startHours":11.066771365037575,"endHours":12.369434908337873,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:40","startHours":12.369434908337873,"endHours":13.672098451638167,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"14:58","startHours":13.672098451638167,"endHours":14.974761994938465,"quality":"auspicious"},{"name":"Amṛta","start":"14:58","end":"16:17","startHours":14.974761994938465,"endHours":16.277425538238763,"quality":"auspicious"},{"name":"Kāla","start":"16:17","end":"17:35","startHours":16.277425538238763,"endHours":17.580089081539057,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:35","end":"19:17","startHours":17.580089081539057,"endHours":19.27742553823876,"quality":"auspicious"},{"name":"Amṛta","start":"19:17","end":"20:58","startHours":19.27742553823876,"endHours":20.974761994938465,"quality":"auspicious"},{"name":"Kāla","start":"20:58","end":"22:40","startHours":20.974761994938465,"endHours":22.672098451638167,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:22","startHours":22.672098451638167,"endHours":24.369434908337873,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:04","startHours":24.369434908337873,"endHours":26.066771365037575,"quality":"inauspicious"},{"name":"Udveg","start":"02:04","end":"03:46","startHours":26.066771365037575,"endHours":27.764107821737277,"quality":"inauspicious"},{"name":"Chala","start":"03:46","end":"05:28","startHours":27.764107821737277,"endHours":29.46144427843698,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:10","startHours":29.46144427843698,"endHours":31.158780735136684,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.158780735136685,"endHours":8.158780735136684,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.158780735136684,"endHours":9.158780735136684,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.158780735136684,"endHours":10.158780735136684,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.158780735136684,"endHours":11.158780735136684,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.158780735136684,"endHours":12.158780735136684,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.158780735136684,"endHours":13.158780735136684,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.158780735136684,"endHours":14.158780735136684,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.158780735136684,"endHours":15.158780735136684,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.158780735136684,"endHours":16.158780735136684,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.158780735136684,"endHours":17.158780735136684,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.158780735136684,"endHours":18.158780735136684,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.158780735136684,"endHours":19.158780735136684,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.158780735136684,"endHours":20.158780735136684,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.158780735136684,"endHours":21.158780735136684,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.158780735136684,"endHours":22.158780735136684,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.158780735136684,"endHours":23.158780735136684,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.158780735136684,"endHours":24.158780735136684,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.158780735136684,"endHours":25.158780735136684,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.158780735136684,"endHours":26.158780735136684,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.158780735136684,"endHours":27.158780735136684,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.158780735136684,"endHours":28.158780735136684,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.158780735136684,"endHours":29.158780735136684,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.158780735136684,"endHours":30.158780735136684,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.158780735136684,"endHours":31.158780735136684,"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":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.13343781223173,"eotMinutes":-2.803294500272213,"ayanamsa":26.3814}},"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 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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturdaśī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"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 30, 2180 CE · Vṛndāvana · Vidhyamitra","description":"December 30, 2180 CE for Vṛndāvana: Śukla Caturdaśī, sūryodaya 07:10, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2180-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2180-12-30","sa":"https://sa.vidhyamitra.com/city/vrindavan/2180-12-30","hi":"https://hi.vidhyamitra.com/city/vrindavan/2180-12-30","x-default":"https://vidhyamitra.com/city/vrindavan/2180-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:27:57.063Z","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":"2026-06-01T05:27:57.063Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:27:57.063Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}