{"id":"vidhyamitra:city-day:kolhapur:-3101-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/-3101-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3101-02-17","date_display":"February 17, 3102 BCE","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":-3101,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588464.770833,"kali_year":0,"ahargana":-0.7292,"sun":{"sidereal_longitude":1.5751,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":356.8692,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.2941,"elapsed_within_tithi_degrees":7.2941},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.8692,"elapsed_within_degrees":10.2025},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.4442},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":-3101,"month":2,"day":17,"hour":6,"minute":30,"calendar":"julian"},"julian_day":588464.770833,"ahargana":-0.7292,"kali_year":0,"ayanamsa_lahiri":-47.4028,"grahas":{"sun":{"sidereal_longitude":1.5751,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":356.8692,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":0.2485},"mars":{"sidereal_longitude":4.8815,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":356.4416,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":1.2841,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":0.1871,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":352.6608,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":180.0386,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":0.0386,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":-3101,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":588464.770833,"kali_year":0,"ahargana":-0.7292,"sun":{"sidereal_longitude":1.5751,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":356.8692,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.2941,"elapsed_within_tithi_degrees":7.2941},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.8692,"elapsed_within_degrees":10.2025},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.4442},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.249,"elongation":4.706},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.249,"opposition_distance":175.294}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":1.238,"opposition_distance":1.931}]},"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":"18:31","solarNoonLocal":"12:48","dayLengthHours":11.438085998048948,"dayLengthDisplay":"11 Hours 26 Mins 17 Secs","nightLengthDisplay":"12 Hours 33 Mins 43 Secs","moonriseLocal":"06:48","moonsetLocal":"18:09","rahuKala":{"name":"Rāhu Kāla","start":"14:13","end":"15:39","startHours":14.221750222278388,"endHours":15.651510972034504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:04","end":"08:30","startHours":7.072946473497795,"endHours":8.502707223253914,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:56","end":"11:22","startHours":9.93246797301003,"endHours":11.362228722766151,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:45","end":"10:07","startHours":9.741833206375883,"endHours":10.123102739644182,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.549533390083168,"endHours":7.854549016697806,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:10","startHours":12.410719939253969,"endHours":13.173259005790566,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:19","startHours":5.547868340424602,"endHours":6.310407406961199,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:04","startHours":6.119772640327049,"endHours":7.072946473497795,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:28","startHours":14.69833713886376,"endHours":15.460876205400357,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.311032471546742,"endHours":18.71103247154674,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"18:59","startHours":18.51103247154674,"endHours":18.987619388132114,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26103247154674,"endHours":20.01103247154674,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:10","startHours":24.41071993925397,"endHours":25.173259005790566,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:04","end":"08:30","startHours":7.072946473497795,"endHours":8.502707223253914,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:56","startHours":8.502707223253914,"endHours":9.93246797301003,"quality":"inauspicious"},{"name":"Udveg","start":"09:56","end":"11:22","startHours":9.93246797301003,"endHours":11.362228722766151,"quality":"inauspicious"},{"name":"Chala","start":"11:22","end":"12:48","startHours":11.362228722766151,"endHours":12.791989472522268,"quality":"neutral"},{"name":"Labha","start":"12:48","end":"14:13","startHours":12.791989472522268,"endHours":14.221750222278388,"quality":"auspicious"},{"name":"Amṛta","start":"14:13","end":"15:39","startHours":14.221750222278388,"endHours":15.651510972034504,"quality":"auspicious"},{"name":"Kāla","start":"15:39","end":"17:05","startHours":15.651510972034504,"endHours":17.081271721790625,"quality":"inauspicious"},{"name":"Śubha","start":"17:05","end":"18:31","startHours":17.081271721790625,"endHours":18.51103247154674,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"20:05","startHours":18.51103247154674,"endHours":20.08127172179062,"quality":"auspicious"},{"name":"Kāla","start":"20:05","end":"21:39","startHours":20.08127172179062,"endHours":21.651510972034504,"quality":"inauspicious"},{"name":"Śubha","start":"21:39","end":"23:13","startHours":21.651510972034504,"endHours":23.221750222278388,"quality":"auspicious"},{"name":"Roga","start":"23:13","end":"00:48","startHours":23.221750222278388,"endHours":24.791989472522268,"quality":"inauspicious"},{"name":"Udveg","start":"00:48","end":"02:22","startHours":24.791989472522268,"endHours":26.362228722766147,"quality":"inauspicious"},{"name":"Chala","start":"02:22","end":"03:56","startHours":26.362228722766147,"endHours":27.93246797301003,"quality":"neutral"},{"name":"Labha","start":"03:56","end":"05:30","startHours":27.93246797301003,"endHours":29.502707223253914,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:04","startHours":29.502707223253914,"endHours":31.072946473497794,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.072946473497795,"endHours":8.072946473497794,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.072946473497794,"endHours":9.072946473497794,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.072946473497794,"endHours":10.072946473497794,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.072946473497794,"endHours":11.072946473497794,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.072946473497794,"endHours":12.072946473497794,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.072946473497794,"endHours":13.072946473497794,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.072946473497794,"endHours":14.072946473497794,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.072946473497794,"endHours":15.072946473497794,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.072946473497794,"endHours":16.072946473497794,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.072946473497794,"endHours":17.072946473497794,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.072946473497794,"endHours":18.072946473497794,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.072946473497794,"endHours":19.072946473497794,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.072946473497794,"endHours":20.072946473497794,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.072946473497794,"endHours":21.072946473497794,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.072946473497794,"endHours":22.072946473497794,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.072946473497794,"endHours":23.072946473497794,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.072946473497794,"endHours":24.072946473497794,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.072946473497794,"endHours":25.072946473497794,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.072946473497794,"endHours":26.072946473497794,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.072946473497794,"endHours":27.072946473497794,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.072946473497794,"endHours":28.072946473497794,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.072946473497794,"endHours":29.072946473497794,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.072946473497794,"endHours":30.072946473497794,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.072946473497794,"endHours":31.072946473497794,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"undefined (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-16.575146413835455,"eotMinutes":-14.492568351336082,"ayanamsa":-47.4028}},"calendars":{"vikram_samvat":-3044,"saka_samvat":-3179,"bengali_samvat":-3694,"malayalam_era":-3925,"nanakshahi_year":-4570,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Amāvasyā · Vikram -3044 undefined · Śaka -3179 undefined"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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":"-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":true,"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 February 17, 3102 BCE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 17, 3102 BCE for Kolhāpur, Maharashtra: Kṛṣṇa Amāvasyā, sūryodaya 07:04, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/-3101-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/-3101-02-17","sa":"https://sa.vidhyamitra.com/city/kolhapur/-3101-02-17","hi":"https://hi.vidhyamitra.com/city/kolhapur/-3101-02-17","x-default":"https://vidhyamitra.com/city/kolhapur/-3101-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:30:03.183Z","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":"2026-05-14T19:30:03.183Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:30:03.183Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}