{"id":"vidhyamitra:city-day:kolhapur:1987-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1987-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-12-23","date_display":"December 23, 1987 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":1987,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447152.770833,"kali_year":5089,"ahargana":1858687.2708,"sun":{"sidereal_longitude":246.6838,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":275.5298,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.846,"elapsed_within_tithi_degrees":4.846},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.5298,"elapsed_within_degrees":8.8631},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.2136},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":1987,"month":12,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447152.770833,"ahargana":1858687.2708,"kali_year":5089,"ayanamsa_lahiri":23.685,"grahas":{"sun":{"sidereal_longitude":246.97382600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":278.59922600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-3.9824},"mars":{"sidereal_longitude":205.48672599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":246.986626,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":356.851926,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":277.454426,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":240.40162599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":337.8038,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":157.8038,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"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":1987,"month":12,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447152.770833,"kali_year":5089,"ahargana":1858687.2708,"sun":{"sidereal_longitude":246.6838,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":275.5298,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":28.846,"elapsed_within_tithi_degrees":4.846},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.5298,"elapsed_within_degrees":8.8631},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.2136},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.982,"elongation":28.846},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.982,"opposition_distance":151.154}},"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":"06:59","sunsetLocal":"18:07","solarNoonLocal":"12:33","dayLengthHours":11.130724228112095,"dayLengthDisplay":"11 Hours 07 Mins 51 Secs","nightLengthDisplay":"12 Hours 52 Mins 09 Secs","moonriseLocal":"09:01","moonsetLocal":"20:17","rahuKala":{"name":"Rāhu Kāla","start":"12:33","end":"13:56","startHours":12.543055138471548,"endHours":13.934395666985559,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:22","end":"09:46","startHours":8.369033552929512,"endHours":9.760374081443523,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:09","end":"12:33","startHours":11.151714609957535,"endHours":12.543055138471548,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:57","startHours":9.57486201097499,"endHours":9.945886151912058,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:44","startHours":7.441473200586836,"endHours":7.738292513336492,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:55","startHours":12.172030997534478,"endHours":12.914079279408618,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:14","startHours":5.49359646066722,"endHours":6.23564474254136,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:59","startHours":6.050132672072825,"endHours":6.977693024415499,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.398175843156896,"endHours":15.140224125031036,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.908417252527595,"endHours":18.308417252527594,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:34","startHours":18.108417252527595,"endHours":18.57219742869893,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.858417252527595,"endHours":19.608417252527595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:55","startHours":24.172030997534478,"endHours":24.914079279408618,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:59","end":"08:22","startHours":6.977693024415499,"endHours":8.369033552929512,"quality":"auspicious"},{"name":"Amṛta","start":"08:22","end":"09:46","startHours":8.369033552929512,"endHours":9.760374081443523,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:09","startHours":9.760374081443523,"endHours":11.151714609957535,"quality":"inauspicious"},{"name":"Śubha","start":"11:09","end":"12:33","startHours":11.151714609957535,"endHours":12.543055138471548,"quality":"auspicious"},{"name":"Roga","start":"12:33","end":"13:56","startHours":12.543055138471548,"endHours":13.934395666985559,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:20","startHours":13.934395666985559,"endHours":15.325736195499571,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:43","startHours":15.325736195499571,"endHours":16.71707672401358,"quality":"neutral"},{"name":"Labha","start":"16:43","end":"18:07","startHours":16.71707672401358,"endHours":18.108417252527595,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:07","end":"19:43","startHours":18.108417252527595,"endHours":19.717076724013584,"quality":"inauspicious"},{"name":"Chala","start":"19:43","end":"21:20","startHours":19.717076724013584,"endHours":21.32573619549957,"quality":"neutral"},{"name":"Labha","start":"21:20","end":"22:56","startHours":21.32573619549957,"endHours":22.93439566698556,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:33","startHours":22.93439566698556,"endHours":24.543055138471548,"quality":"auspicious"},{"name":"Kāla","start":"00:33","end":"02:09","startHours":24.543055138471548,"endHours":26.151714609957537,"quality":"inauspicious"},{"name":"Śubha","start":"02:09","end":"03:46","startHours":26.151714609957537,"endHours":27.760374081443523,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:22","startHours":27.760374081443523,"endHours":29.369033552929512,"quality":"inauspicious"},{"name":"Udveg","start":"05:22","end":"06:59","startHours":29.369033552929512,"endHours":30.9776930244155,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.977693024415499,"endHours":7.977693024415499,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.977693024415499,"endHours":8.9776930244155,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.9776930244155,"endHours":9.9776930244155,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.9776930244155,"endHours":10.9776930244155,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.9776930244155,"endHours":11.9776930244155,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.9776930244155,"endHours":12.9776930244155,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.9776930244155,"endHours":13.9776930244155,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.9776930244155,"endHours":14.9776930244155,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.9776930244155,"endHours":15.9776930244155,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.9776930244155,"endHours":16.9776930244155,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.9776930244155,"endHours":17.9776930244155,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.9776930244155,"endHours":18.9776930244155,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.9776930244155,"endHours":19.9776930244155,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.9776930244155,"endHours":20.9776930244155,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.9776930244155,"endHours":21.9776930244155,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.9776930244155,"endHours":22.9776930244155,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.9776930244155,"endHours":23.9776930244155,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.9776930244155,"endHours":24.9776930244155,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.9776930244155,"endHours":25.9776930244155,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.9776930244155,"endHours":26.9776930244155,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.9776930244155,"endHours":27.9776930244155,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.9776930244155,"endHours":28.9776930244155,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.9776930244155,"endHours":29.9776930244155,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.9776930244155,"endHours":30.9776930244155,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","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":-23.434858028431492,"eotMinutes":0.4434916917071845,"ayanamsa":23.685}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Tṛtīyā · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"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":[]},"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 23, 1987 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 23, 1987 CE for Kolhāpur, Maharashtra: Śukla Tṛtīyā, sūryodaya 06:59, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1987-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1987-12-23","sa":"https://sa.vidhyamitra.com/city/kolhapur/1987-12-23","hi":"https://hi.vidhyamitra.com/city/kolhapur/1987-12-23","x-default":"https://vidhyamitra.com/city/kolhapur/1987-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T11:00:57.817Z","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":"2026-06-01T11:00:57.817Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T11:00:57.817Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}