{"id":"vidhyamitra:city-day:kolhapur:1871-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1871-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1871-12-18","date_display":"December 18, 1871 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":1871,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404779.770833,"kali_year":4973,"ahargana":1816314.2708,"sun":{"sidereal_longitude":243.6184,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":320.2647,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.6463,"elapsed_within_tithi_degrees":4.6463},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.2647,"elapsed_within_degrees":0.2647},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.8831},"karana":{"half_tithi_index":12,"name":"Gara"},"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":1871,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404779.770833,"ahargana":1816314.2708,"kali_year":4973,"ayanamsa_lahiri":22.0644,"grahas":{"sun":{"sidereal_longitude":243.66198599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":323.55558599999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":-4.3903},"mars":{"sidereal_longitude":280.92208600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":265.73098600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":97.51518599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":198.986586,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":259.32738599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":62.9292,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":242.9292,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1871,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404779.770833,"kali_year":4973,"ahargana":1816314.2708,"sun":{"sidereal_longitude":243.6184,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":320.2647,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":76.6463,"elapsed_within_tithi_degrees":4.6463},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.2647,"elapsed_within_degrees":0.2647},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.8831},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.39,"elongation":76.646},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.39,"opposition_distance":103.354}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.634,"elongation":2.327},{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":1.007,"opposition_distance":2.532}]},"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":"06:56","sunsetLocal":"18:04","solarNoonLocal":"12:30","dayLengthHours":11.13388229871186,"dayLengthDisplay":"11 Hours 08 Mins 02 Secs","nightLengthDisplay":"12 Hours 51 Mins 58 Secs","moonriseLocal":"11:54","moonsetLocal":"23:45","rahuKala":{"name":"Rāhu Kāla","start":"08:20","end":"09:43","startHours":8.328778682180698,"endHours":9.720513969519681,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:30","startHours":11.112249256858664,"endHours":12.503984544197646,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:17","startHours":13.895719831536628,"endHours":15.287455118875611,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.53494926454115,"endHours":9.906078674498211,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.400955157288044,"endHours":7.697858685253693,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:53","startHours":12.132855134240584,"endHours":12.875113954154708,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:12","startHours":5.452525755013468,"endHours":6.194784574927592,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:56","startHours":6.009219869949061,"endHours":6.937043394841716,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.359631593982956,"endHours":15.10189041389708,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.870925693553577,"endHours":18.270925693553576,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.070925693553576,"endHours":18.534837455999902,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.820925693553576,"endHours":19.570925693553576,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:53","startHours":24.132855134240582,"endHours":24.87511395415471,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:56","end":"08:20","startHours":6.937043394841716,"endHours":8.328778682180698,"quality":"auspicious"},{"name":"Kāla","start":"08:20","end":"09:43","startHours":8.328778682180698,"endHours":9.720513969519681,"quality":"inauspicious"},{"name":"Śubha","start":"09:43","end":"11:07","startHours":9.720513969519681,"endHours":11.112249256858664,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:30","startHours":11.112249256858664,"endHours":12.503984544197646,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"13:54","startHours":12.503984544197646,"endHours":13.895719831536628,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:17","startHours":13.895719831536628,"endHours":15.287455118875611,"quality":"neutral"},{"name":"Labha","start":"15:17","end":"16:41","startHours":15.287455118875611,"endHours":16.679190406214595,"quality":"auspicious"},{"name":"Amṛta","start":"16:41","end":"18:04","startHours":16.679190406214595,"endHours":18.070925693553576,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:04","end":"19:41","startHours":18.070925693553576,"endHours":19.679190406214595,"quality":"neutral"},{"name":"Labha","start":"19:41","end":"21:17","startHours":19.679190406214595,"endHours":21.287455118875613,"quality":"auspicious"},{"name":"Amṛta","start":"21:17","end":"22:54","startHours":21.287455118875613,"endHours":22.895719831536628,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:30","startHours":22.895719831536628,"endHours":24.503984544197646,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"02:07","startHours":24.503984544197646,"endHours":26.112249256858664,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:43","startHours":26.112249256858664,"endHours":27.72051396951968,"quality":"inauspicious"},{"name":"Udveg","start":"03:43","end":"05:20","startHours":27.72051396951968,"endHours":29.328778682180698,"quality":"inauspicious"},{"name":"Chala","start":"05:20","end":"06:56","startHours":29.328778682180698,"endHours":30.937043394841716,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.937043394841716,"endHours":7.937043394841716,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.937043394841716,"endHours":8.937043394841716,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.937043394841716,"endHours":9.937043394841716,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.937043394841716,"endHours":10.937043394841716,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.937043394841716,"endHours":11.937043394841716,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.937043394841716,"endHours":12.937043394841716,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.937043394841716,"endHours":13.937043394841716,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.937043394841716,"endHours":14.937043394841716,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.937043394841716,"endHours":15.937043394841716,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.937043394841716,"endHours":16.937043394841716,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.937043394841716,"endHours":17.937043394841716,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.937043394841716,"endHours":18.937043394841716,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.937043394841716,"endHours":19.937043394841716,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.937043394841716,"endHours":20.937043394841716,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.937043394841716,"endHours":21.937043394841716,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.937043394841716,"endHours":22.937043394841716,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.937043394841716,"endHours":23.937043394841716,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.937043394841716,"endHours":24.937043394841716,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.937043394841716,"endHours":25.937043394841716,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.937043394841716,"endHours":26.937043394841716,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.937043394841716,"endHours":27.937043394841716,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.937043394841716,"endHours":28.937043394841716,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.937043394841716,"endHours":29.937043394841716,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.937043394841716,"endHours":30.937043394841716,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.367458920089923,"eotMinutes":2.787727348141232,"ayanamsa":22.0644}},"calendars":{"vikram_samvat":1928,"vikram_samvatsara":"Tāraṇa","saka_samvat":1793,"saka_samvatsara":"Prajāpati","bengali_samvat":1278,"malayalam_era":1047,"nanakshahi_year":402,"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 1928 Tāraṇa · Śaka 1793 Prajāpati"},"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":[]},"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 18, 1871 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 18, 1871 CE for Kolhāpur, Maharashtra: Śukla Saptamī, sūryodaya 06:56, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1871-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1871-12-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/1871-12-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/1871-12-18","x-default":"https://vidhyamitra.com/city/kolhapur/1871-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:21:07.941Z","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":"2026-06-01T02:21:07.941Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:21:07.941Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}