{"id":"vidhyamitra:city-day:kolhapur:2180-12-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2180-12-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-25","date_display":"December 25, 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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517647.770833,"kali_year":5282,"ahargana":1929182.2708,"sun":{"sidereal_longitude":246.7454,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.9748,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.2294,"elapsed_within_tithi_degrees":5.2294},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.9748,"elapsed_within_degrees":1.3081},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.7202},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517647.770833,"ahargana":1929182.2708,"kali_year":5282,"ayanamsa_lahiri":26.3812,"grahas":{"sun":{"sidereal_longitude":247.49059799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.319098,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":2.5577},"mars":{"sidereal_longitude":49.786598000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":264.0311979999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":113.35059799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":234.91359799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":79.80159800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":202.6394,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.6394,"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":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517647.770833,"kali_year":5282,"ahargana":1929182.2708,"sun":{"sidereal_longitude":246.7454,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.9748,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.2294,"elapsed_within_tithi_degrees":5.2294},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.9748,"elapsed_within_degrees":1.3081},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.7202},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.558,"elongation":101.229},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.558,"opposition_distance":78.771}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:00","sunsetLocal":"18:08","solarNoonLocal":"12:34","dayLengthHours":11.13330315312185,"dayLengthDisplay":"11 Hours 08 Mins 00 Secs","nightLengthDisplay":"12 Hours 52 Mins 00 Secs","moonriseLocal":"13:18","moonsetLocal":"01:40","rahuKala":{"name":"Rāhu Kāla","start":"08:23","end":"09:47","startHours":8.383682266613796,"endHours":9.775345160754028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:10","end":"12:34","startHours":11.167008054894259,"endHours":12.55867094903449,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:57","end":"15:21","startHours":13.950333843174722,"endHours":15.341996737314952,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:58","startHours":9.589790108201997,"endHours":9.960900213306058,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:45","startHours":7.455907003853643,"endHours":7.752795087936892,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:56","startHours":12.187560843930429,"endHours":12.929781054138553,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:15","startHours":5.507578952057319,"endHours":6.249799162265442,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"07:00","startHours":6.064244109713412,"endHours":6.992019372473566,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:09","startHours":14.414221474554799,"endHours":15.156441684762921,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.925322525595416,"endHours":18.325322525595414,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:35","startHours":18.125322525595415,"endHours":18.589210156975494,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.875322525595415,"endHours":19.625322525595415,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:56","startHours":24.18756084393043,"endHours":24.929781054138555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:00","end":"08:23","startHours":6.992019372473566,"endHours":8.383682266613796,"quality":"auspicious"},{"name":"Kāla","start":"08:23","end":"09:47","startHours":8.383682266613796,"endHours":9.775345160754028,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:10","startHours":9.775345160754028,"endHours":11.167008054894259,"quality":"auspicious"},{"name":"Roga","start":"11:10","end":"12:34","startHours":11.167008054894259,"endHours":12.55867094903449,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"13:57","startHours":12.55867094903449,"endHours":13.950333843174722,"quality":"inauspicious"},{"name":"Chala","start":"13:57","end":"15:21","startHours":13.950333843174722,"endHours":15.341996737314952,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"16:44","startHours":15.341996737314952,"endHours":16.733659631455183,"quality":"auspicious"},{"name":"Amṛta","start":"16:44","end":"18:08","startHours":16.733659631455183,"endHours":18.125322525595415,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:08","end":"19:44","startHours":18.125322525595415,"endHours":19.733659631455183,"quality":"neutral"},{"name":"Labha","start":"19:44","end":"21:21","startHours":19.733659631455183,"endHours":21.341996737314954,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:57","startHours":21.341996737314954,"endHours":22.95033384317472,"quality":"auspicious"},{"name":"Kāla","start":"22:57","end":"00:34","startHours":22.95033384317472,"endHours":24.55867094903449,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"02:10","startHours":24.55867094903449,"endHours":26.16700805489426,"quality":"auspicious"},{"name":"Roga","start":"02:10","end":"03:47","startHours":26.16700805489426,"endHours":27.77534516075403,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:23","startHours":27.77534516075403,"endHours":29.383682266613796,"quality":"inauspicious"},{"name":"Chala","start":"05:23","end":"07:00","startHours":29.383682266613796,"endHours":30.992019372473564,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.992019372473566,"endHours":7.992019372473566,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.992019372473566,"endHours":8.992019372473566,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.992019372473566,"endHours":9.992019372473566,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.992019372473566,"endHours":10.992019372473566,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.992019372473566,"endHours":11.992019372473566,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.992019372473566,"endHours":12.992019372473566,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.992019372473566,"endHours":13.992019372473566,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.992019372473566,"endHours":14.992019372473566,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.992019372473566,"endHours":15.992019372473566,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.992019372473566,"endHours":16.992019372473564,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.992019372473564,"endHours":17.992019372473564,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.992019372473564,"endHours":18.992019372473564,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.992019372473564,"endHours":19.992019372473564,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.992019372473564,"endHours":20.992019372473564,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.992019372473564,"endHours":21.992019372473564,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.992019372473564,"endHours":22.992019372473564,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.992019372473564,"endHours":23.992019372473564,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.992019372473564,"endHours":24.992019372473564,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.992019372473564,"endHours":25.992019372473564,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.992019372473564,"endHours":26.992019372473564,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.992019372473564,"endHours":27.992019372473564,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.992019372473564,"endHours":28.992019372473564,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.992019372473564,"endHours":29.992019372473564,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.992019372473564,"endHours":30.992019372473564,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"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":-23.3798240598759,"eotMinutes":-0.4934569420694592,"ayanamsa":26.3812}},"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 Navamī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 25, 2180 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 25, 2180 CE for Kolhāpur, Maharashtra: Śukla Navamī, sūryodaya 07:00, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2180-12-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2180-12-25","sa":"https://sa.vidhyamitra.com/city/kolhapur/2180-12-25","hi":"https://hi.vidhyamitra.com/city/kolhapur/2180-12-25","x-default":"https://vidhyamitra.com/city/kolhapur/2180-12-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:17:19.928Z","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":"2026-05-31T00:17:19.928Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:17:19.928Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}