{"id":"vidhyamitra:city-day:kolhapur:1986-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1986-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-12-31","date_display":"December 31, 1986 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":1986,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446795.770833,"kali_year":5088,"ahargana":1858330.2708,"sun":{"sidereal_longitude":255.1725,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":253.8046,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.6322,"elapsed_within_tithi_degrees":10.6322},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.8046,"elapsed_within_degrees":0.4713},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.9771},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1986,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446795.770833,"ahargana":1858330.2708,"kali_year":5088,"ayanamsa_lahiri":23.6714,"grahas":{"sun":{"sidereal_longitude":255.38596600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":254.074166,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":-4.3859},"mars":{"sidereal_longitude":330.551866,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":248.20476599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":324.45926599999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":209.69256599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":231.24086599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":356.7193,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":176.7193,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1986,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446795.770833,"kali_year":5088,"ahargana":1858330.2708,"sun":{"sidereal_longitude":255.1725,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":253.8046,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.6322,"elapsed_within_tithi_degrees":10.6322},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":253.8046,"elapsed_within_degrees":0.4713},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.9771},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.386,"elongation":1.368},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.386,"opposition_distance":178.632}},"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":"07:02","sunsetLocal":"18:11","solarNoonLocal":"12:36","dayLengthHours":11.145115653985043,"dayLengthDisplay":"11 Hours 08 Mins 42 Secs","nightLengthDisplay":"12 Hours 51 Mins 18 Secs","moonriseLocal":"06:58","moonsetLocal":"18:04","rahuKala":{"name":"Rāhu Kāla","start":"12:36","end":"14:00","startHours":12.60471724873009,"endHours":13.99785670547822,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:26","end":"09:49","startHours":8.4252988784857,"endHours":9.81843833523383,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:13","end":"12:36","startHours":11.21157779198196,"endHours":12.60471724873009,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:00","startHours":9.632686407667412,"endHours":10.004190262800247,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:48","startHours":7.496539240653613,"endHours":7.79374232475988,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"12:59","startHours":12.233213393597255,"endHours":12.976221103862924,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:17","startHours":5.546144001206231,"endHours":6.2891517114718996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"07:02","startHours":6.103399783905482,"endHours":7.032159421737569,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:12","startHours":14.462236524394264,"endHours":15.205244234659933,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.977275075722613,"endHours":18.37727507572261,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:38","startHours":18.177275075722612,"endHours":18.641654894638656,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.927275075722612,"endHours":19.677275075722612,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"00:59","startHours":24.233213393597254,"endHours":24.976221103862926,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:02","end":"08:26","startHours":7.032159421737569,"endHours":8.4252988784857,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:49","startHours":8.4252988784857,"endHours":9.81843833523383,"quality":"auspicious"},{"name":"Kāla","start":"09:49","end":"11:13","startHours":9.81843833523383,"endHours":11.21157779198196,"quality":"inauspicious"},{"name":"Śubha","start":"11:13","end":"12:36","startHours":11.21157779198196,"endHours":12.60471724873009,"quality":"auspicious"},{"name":"Roga","start":"12:36","end":"14:00","startHours":12.60471724873009,"endHours":13.99785670547822,"quality":"inauspicious"},{"name":"Udveg","start":"14:00","end":"15:23","startHours":13.99785670547822,"endHours":15.390996162226351,"quality":"inauspicious"},{"name":"Chala","start":"15:23","end":"16:47","startHours":15.390996162226351,"endHours":16.78413561897448,"quality":"neutral"},{"name":"Labha","start":"16:47","end":"18:11","startHours":16.78413561897448,"endHours":18.177275075722612,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:11","end":"19:47","startHours":18.177275075722612,"endHours":19.78413561897448,"quality":"inauspicious"},{"name":"Chala","start":"19:47","end":"21:23","startHours":19.78413561897448,"endHours":21.39099616222635,"quality":"neutral"},{"name":"Labha","start":"21:23","end":"23:00","startHours":21.39099616222635,"endHours":22.99785670547822,"quality":"auspicious"},{"name":"Amṛta","start":"23:00","end":"00:36","startHours":22.99785670547822,"endHours":24.60471724873009,"quality":"auspicious"},{"name":"Kāla","start":"00:36","end":"02:13","startHours":24.60471724873009,"endHours":26.21157779198196,"quality":"inauspicious"},{"name":"Śubha","start":"02:13","end":"03:49","startHours":26.21157779198196,"endHours":27.81843833523383,"quality":"auspicious"},{"name":"Roga","start":"03:49","end":"05:26","startHours":27.81843833523383,"endHours":29.425298878485698,"quality":"inauspicious"},{"name":"Udveg","start":"05:26","end":"07:02","startHours":29.425298878485698,"endHours":31.032159421737568,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.032159421737569,"endHours":8.03215942173757,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.03215942173757,"endHours":9.03215942173757,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.03215942173757,"endHours":10.03215942173757,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.03215942173757,"endHours":11.03215942173757,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.03215942173757,"endHours":12.03215942173757,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.03215942173757,"endHours":13.03215942173757,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.03215942173757,"endHours":14.03215942173757,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.03215942173757,"endHours":15.03215942173757,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.03215942173757,"endHours":16.032159421737568,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.032159421737568,"endHours":17.032159421737568,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.032159421737568,"endHours":18.032159421737568,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.032159421737568,"endHours":19.032159421737568,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.032159421737568,"endHours":20.032159421737568,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.032159421737568,"endHours":21.032159421737568,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.032159421737568,"endHours":22.032159421737568,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.032159421737568,"endHours":23.032159421737568,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.032159421737568,"endHours":24.032159421737568,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.032159421737568,"endHours":25.032159421737568,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.032159421737568,"endHours":26.032159421737568,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.032159421737568,"endHours":27.032159421737568,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.032159421737568,"endHours":28.032159421737568,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.032159421737568,"endHours":29.032159421737568,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.032159421737568,"endHours":30.032159421737568,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.032159421737568,"endHours":31.032159421737568,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","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":-23.127167822736755,"eotMinutes":-3.2562349238053434,"ayanamsa":23.6714}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 31, 1986 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 31, 1986 CE for Kolhāpur, Maharashtra: Kṛṣṇa Amāvasyā, sūryodaya 07:02, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1986-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1986-12-31","sa":"https://sa.vidhyamitra.com/city/kolhapur/1986-12-31","hi":"https://hi.vidhyamitra.com/city/kolhapur/1986-12-31","x-default":"https://vidhyamitra.com/city/kolhapur/1986-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:19:58.613Z","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":"2026-05-31T17:19:58.613Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:19:58.613Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}