{"id":"vidhyamitra:city-day:kolhapur:1987-01-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1987-01-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-01-08","date_display":"January 8, 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":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446803.770833,"kali_year":5088,"ahargana":1858338.2708,"sun":{"sidereal_longitude":263.3969,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":3.0766,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.6797,"elapsed_within_tithi_degrees":3.6797},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.0766,"elapsed_within_degrees":3.0766},"yoga":{"number":20,"name":"Śiva","sum_longitude":266.4736},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446803.770833,"ahargana":1858338.2708,"kali_year":5088,"ayanamsa_lahiri":23.6717,"grahas":{"sun":{"sidereal_longitude":263.54016,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":6.127259999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":0.5308},"mars":{"sidereal_longitude":336.14365999999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.92336,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":325.76896,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":217.03246000000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":232.11816,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":356.2955,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":176.2955,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":1987,"month":1,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446803.770833,"kali_year":5088,"ahargana":1858338.2708,"sun":{"sidereal_longitude":263.3969,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":3.0766,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.6797,"elapsed_within_tithi_degrees":3.6797},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.0766,"elapsed_within_degrees":3.0766},"yoga":{"number":20,"name":"Śiva","sum_longitude":266.4736},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.531,"elongation":99.68},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.531,"opposition_distance":80.32}},"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":"07:04","sunsetLocal":"18:15","solarNoonLocal":"12:40","dayLengthHours":11.182157217628008,"dayLengthDisplay":"11 Hours 10 Mins 56 Secs","nightLengthDisplay":"12 Hours 49 Mins 04 Secs","moonriseLocal":"13:14","moonsetLocal":"01:46","rahuKala":{"name":"Rāhu Kāla","start":"14:04","end":"15:27","startHours":14.059912212758958,"endHours":15.457681864962458,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:04","end":"08:28","startHours":7.071063951741452,"endHours":8.468833603944953,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:52","end":"11:16","startHours":9.866603256148455,"endHours":11.264372908351955,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:41","end":"10:03","startHours":9.680233969187988,"endHours":10.052972543108922,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:50","startHours":7.53698716914262,"endHours":7.835178028279366,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:02","startHours":12.289403986634522,"endHours":13.03488113447639,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:20","startHours":5.580109656057718,"endHours":6.3255868038995855,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:04","startHours":6.1392175169391185,"endHours":7.071063951741452,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:16","startHours":14.525835430160125,"endHours":15.271312578001993,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.05322116936946,"endHours":18.45322116936946,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:43","startHours":18.25322116936946,"endHours":18.719144386770626,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.00322116936946,"endHours":19.75322116936946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:02","startHours":24.28940398663452,"endHours":25.03488113447639,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:04","end":"08:28","startHours":7.071063951741452,"endHours":8.468833603944953,"quality":"auspicious"},{"name":"Roga","start":"08:28","end":"09:52","startHours":8.468833603944953,"endHours":9.866603256148455,"quality":"inauspicious"},{"name":"Udveg","start":"09:52","end":"11:16","startHours":9.866603256148455,"endHours":11.264372908351955,"quality":"inauspicious"},{"name":"Chala","start":"11:16","end":"12:40","startHours":11.264372908351955,"endHours":12.662142560555456,"quality":"neutral"},{"name":"Labha","start":"12:40","end":"14:04","startHours":12.662142560555456,"endHours":14.059912212758958,"quality":"auspicious"},{"name":"Amṛta","start":"14:04","end":"15:27","startHours":14.059912212758958,"endHours":15.457681864962458,"quality":"auspicious"},{"name":"Kāla","start":"15:27","end":"16:51","startHours":15.457681864962458,"endHours":16.85545151716596,"quality":"inauspicious"},{"name":"Śubha","start":"16:51","end":"18:15","startHours":16.85545151716596,"endHours":18.25322116936946,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:15","end":"19:51","startHours":18.25322116936946,"endHours":19.85545151716596,"quality":"auspicious"},{"name":"Kāla","start":"19:51","end":"21:27","startHours":19.85545151716596,"endHours":21.45768186496246,"quality":"inauspicious"},{"name":"Śubha","start":"21:27","end":"23:04","startHours":21.45768186496246,"endHours":23.05991221275896,"quality":"auspicious"},{"name":"Roga","start":"23:04","end":"00:40","startHours":23.05991221275896,"endHours":24.662142560555456,"quality":"inauspicious"},{"name":"Udveg","start":"00:40","end":"02:16","startHours":24.662142560555456,"endHours":26.264372908351955,"quality":"inauspicious"},{"name":"Chala","start":"02:16","end":"03:52","startHours":26.264372908351955,"endHours":27.866603256148455,"quality":"neutral"},{"name":"Labha","start":"03:52","end":"05:28","startHours":27.866603256148455,"endHours":29.46883360394495,"quality":"auspicious"},{"name":"Amṛta","start":"05:28","end":"07:04","startHours":29.46883360394495,"endHours":31.07106395174145,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.071063951741452,"endHours":8.071063951741452,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.071063951741452,"endHours":9.071063951741452,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.071063951741452,"endHours":10.071063951741452,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.071063951741452,"endHours":11.071063951741452,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.071063951741452,"endHours":12.071063951741452,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.071063951741452,"endHours":13.071063951741452,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.071063951741452,"endHours":14.071063951741452,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.071063951741452,"endHours":15.071063951741452,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.071063951741452,"endHours":16.07106395174145,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.07106395174145,"endHours":17.07106395174145,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.07106395174145,"endHours":18.07106395174145,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.07106395174145,"endHours":19.07106395174145,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.07106395174145,"endHours":20.07106395174145,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.07106395174145,"endHours":21.07106395174145,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.07106395174145,"endHours":22.07106395174145,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.07106395174145,"endHours":23.07106395174145,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.07106395174145,"endHours":24.07106395174145,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.07106395174145,"endHours":25.07106395174145,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.07106395174145,"endHours":26.07106395174145,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.07106395174145,"endHours":27.07106395174145,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.07106395174145,"endHours":28.07106395174145,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.07106395174145,"endHours":29.07106395174145,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.07106395174145,"endHours":30.07106395174145,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.07106395174145,"endHours":31.07106395174145,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.328780666205564,"eotMinutes":-6.7017536333273355,"ayanamsa":23.6717}},"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","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Navamī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5},{"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 January 8, 1987 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"January 8, 1987 CE for Kolhāpur, Maharashtra: Śukla Navamī, sūryodaya 07:04, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1987-01-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1987-01-08","sa":"https://sa.vidhyamitra.com/city/kolhapur/1987-01-08","hi":"https://hi.vidhyamitra.com/city/kolhapur/1987-01-08","x-default":"https://vidhyamitra.com/city/kolhapur/1987-01-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T23:35:21.174Z","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":"2026-05-19T23:35:21.174Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T23:35:21.174Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}