{"id":"vidhyamitra:city-day:dwarka:2180-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2180-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-23","date_display":"December 23, 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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517645.770833,"kali_year":5282,"ahargana":1929180.2708,"sun":{"sidereal_longitude":244.6909,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":323.0897,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.3988,"elapsed_within_tithi_degrees":6.3988},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0897,"elapsed_within_degrees":3.0897},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.7805},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517645.770833,"ahargana":1929180.2708,"kali_year":5282,"ayanamsa_lahiri":26.3811,"grahas":{"sun":{"sidereal_longitude":245.45417499999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":326.46237500000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":3.8825},"mars":{"sidereal_longitude":50.44217500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":262.88627500000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":113.451775,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":232.39707499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":79.959475,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":202.7454,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.7454,"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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517645.770833,"kali_year":5282,"ahargana":1929180.2708,"sun":{"sidereal_longitude":244.6909,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":323.0897,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.3988,"elapsed_within_tithi_degrees":6.3988},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.0897,"elapsed_within_degrees":3.0897},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.7805},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.883,"elongation":78.399},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.883,"opposition_distance":101.601}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:31","sunsetLocal":"18:17","solarNoonLocal":"12:54","dayLengthHours":10.772197264277686,"dayLengthDisplay":"10 Hours 46 Mins 20 Secs","nightLengthDisplay":"13 Hours 13 Mins 40 Secs","moonriseLocal":"12:20","moonsetLocal":"00:16","rahuKala":{"name":"Rāhu Kāla","start":"10:12","end":"11:33","startHours":10.201652489068792,"endHours":11.548177147103504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:14","end":"15:35","startHours":14.241226463172925,"endHours":15.587751121207635,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:31","end":"08:51","startHours":7.508603172999371,"endHours":8.855127831034082,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:01","end":"10:23","startHours":10.022115867997499,"endHours":10.381189110140088,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.957444725677608,"endHours":8.24470331939168,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:32","end":"13:15","startHours":12.535628562995626,"endHours":13.253775047280804,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:47","startHours":6.072310204429013,"endHours":6.790456688714192,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:37","end":"07:31","startHours":6.610920067642898,"endHours":7.508603172999371,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:24","startHours":14.690068015851162,"endHours":15.408214500136342,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.08080043727706,"endHours":18.480800437277058,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:44","startHours":18.28080043727706,"endHours":18.729641989955294,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.03080043727706,"endHours":19.78080043727706,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:32","end":"01:15","startHours":24.535628562995626,"endHours":25.253775047280804,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:31","end":"08:51","startHours":7.508603172999371,"endHours":8.855127831034082,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:12","startHours":8.855127831034082,"endHours":10.201652489068792,"quality":"auspicious"},{"name":"Roga","start":"10:12","end":"11:33","startHours":10.201652489068792,"endHours":11.548177147103504,"quality":"inauspicious"},{"name":"Udveg","start":"11:33","end":"12:54","startHours":11.548177147103504,"endHours":12.894701805138215,"quality":"inauspicious"},{"name":"Chala","start":"12:54","end":"14:14","startHours":12.894701805138215,"endHours":14.241226463172925,"quality":"neutral"},{"name":"Labha","start":"14:14","end":"15:35","startHours":14.241226463172925,"endHours":15.587751121207635,"quality":"auspicious"},{"name":"Amṛta","start":"15:35","end":"16:56","startHours":15.587751121207635,"endHours":16.93427577924235,"quality":"auspicious"},{"name":"Kāla","start":"16:56","end":"18:17","startHours":16.93427577924235,"endHours":18.28080043727706,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:17","end":"19:56","startHours":18.28080043727706,"endHours":19.93427577924235,"quality":"auspicious"},{"name":"Amṛta","start":"19:56","end":"21:35","startHours":19.93427577924235,"endHours":21.58775112120764,"quality":"auspicious"},{"name":"Kāla","start":"21:35","end":"23:14","startHours":21.58775112120764,"endHours":23.241226463172925,"quality":"inauspicious"},{"name":"Śubha","start":"23:14","end":"00:54","startHours":23.241226463172925,"endHours":24.894701805138215,"quality":"auspicious"},{"name":"Roga","start":"00:54","end":"02:33","startHours":24.894701805138215,"endHours":26.548177147103505,"quality":"inauspicious"},{"name":"Udveg","start":"02:33","end":"04:12","startHours":26.548177147103505,"endHours":28.201652489068792,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:51","startHours":28.201652489068792,"endHours":29.855127831034082,"quality":"neutral"},{"name":"Labha","start":"05:51","end":"07:31","startHours":29.855127831034082,"endHours":31.508603172999372,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:31","end":"08:31","startHours":7.508603172999371,"endHours":8.508603172999372,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:31","end":"09:31","startHours":8.508603172999372,"endHours":9.508603172999372,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:31","end":"10:31","startHours":9.508603172999372,"endHours":10.508603172999372,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:31","end":"11:31","startHours":10.508603172999372,"endHours":11.508603172999372,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:31","end":"12:31","startHours":11.508603172999372,"endHours":12.508603172999372,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:31","end":"13:31","startHours":12.508603172999372,"endHours":13.508603172999372,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:31","end":"14:31","startHours":13.508603172999372,"endHours":14.508603172999372,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:31","end":"15:31","startHours":14.508603172999372,"endHours":15.508603172999372,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:31","end":"16:31","startHours":15.508603172999372,"endHours":16.508603172999372,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:31","end":"17:31","startHours":16.508603172999372,"endHours":17.508603172999372,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:31","end":"18:31","startHours":17.508603172999372,"endHours":18.508603172999372,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:31","end":"19:31","startHours":18.508603172999372,"endHours":19.508603172999372,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:31","end":"20:31","startHours":19.508603172999372,"endHours":20.508603172999372,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:31","end":"21:31","startHours":20.508603172999372,"endHours":21.508603172999372,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:31","end":"22:31","startHours":21.508603172999372,"endHours":22.508603172999372,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:31","end":"23:31","startHours":22.508603172999372,"endHours":23.508603172999372,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:31","end":"00:31","startHours":23.508603172999372,"endHours":24.508603172999372,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:31","end":"01:31","startHours":24.508603172999372,"endHours":25.508603172999372,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:31","end":"02:31","startHours":25.508603172999372,"endHours":26.508603172999372,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:31","end":"03:31","startHours":26.508603172999372,"endHours":27.508603172999372,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:31","end":"04:31","startHours":27.508603172999372,"endHours":28.508603172999372,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:31","end":"05:31","startHours":28.508603172999372,"endHours":29.508603172999372,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:31","end":"06:31","startHours":29.508603172999372,"endHours":30.508603172999372,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:31","end":"07:31","startHours":30.508603172999372,"endHours":31.508603172999372,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":-23.423759810350912,"eotMinutes":0.4434916917071845,"ayanamsa":26.3811}},"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 Saptamī · 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":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 23, 2180 CE · Dvārakā · Vidhyamitra","description":"December 23, 2180 CE for Dvārakā: Śukla Saptamī, sūryodaya 07:31, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2180-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2180-12-23","sa":"https://sa.vidhyamitra.com/city/dwarka/2180-12-23","hi":"https://hi.vidhyamitra.com/city/dwarka/2180-12-23","x-default":"https://vidhyamitra.com/city/dwarka/2180-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:29:24.677Z","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":"2026-06-02T09:29:24.677Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:29:24.677Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}