{"id":"vidhyamitra:city-day:kolhapur:2109-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2109-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2109-04-15","date_display":"April 15, 2109 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":2109,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491460.770833,"kali_year":5210,"ahargana":1902995.2708,"sun":{"sidereal_longitude":359.5044,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":174.1736,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.6692,"elapsed_within_tithi_degrees":6.6692},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.1736,"elapsed_within_degrees":0.8403},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.678},"karana":{"half_tithi_index":29,"name":"Bava"},"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":2109,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491460.770833,"ahargana":1902995.2708,"kali_year":5210,"ayanamsa_lahiri":25.3796,"grahas":{"sun":{"sidereal_longitude":359.623334,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":174.58693399999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":1.8302},"mars":{"sidereal_longitude":9.035234000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":10.021634000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":80.09603400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":9.655533999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":283.255534,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":150.1527,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.1527,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2109,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491460.770833,"kali_year":5210,"ahargana":1902995.2708,"sun":{"sidereal_longitude":359.5044,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":174.1736,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.6692,"elapsed_within_tithi_degrees":6.6692},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.1736,"elapsed_within_degrees":0.8403},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.678},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.83,"elongation":174.669},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.83,"opposition_distance":5.331}},"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":"06:18","sunsetLocal":"18:49","solarNoonLocal":"12:33","dayLengthHours":12.508985625272885,"dayLengthDisplay":"12 Hours 30 Mins 32 Secs","nightLengthDisplay":"11 Hours 29 Mins 28 Secs","moonriseLocal":"18:20","moonsetLocal":"06:06","rahuKala":{"name":"Rāhu Kāla","start":"07:52","end":"09:26","startHours":7.863579124819451,"endHours":9.427202327978563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:59","end":"12:33","startHours":10.990825531137673,"endHours":12.554448734296784,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:07","end":"15:41","startHours":14.118071937455895,"endHours":15.681695140615005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:38","startHours":9.218719234224015,"endHours":9.63568542173311,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:09","startHours":6.821163656046711,"endHours":7.154736606053987,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:58","startHours":12.137482546787687,"endHours":12.97141492180588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:28","startHours":4.632091171623956,"endHours":5.466023546642148,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:18","startHours":5.2575404528876,"endHours":6.299955921660341,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.639279671842264,"endHours":15.473212046860455,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.608941546933227,"endHours":19.008941546933226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:20","startHours":18.808941546933227,"endHours":19.330149281319596,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.558941546933227,"endHours":20.308941546933227,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:58","startHours":24.137482546787687,"endHours":24.97141492180588,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:18","end":"07:52","startHours":6.299955921660341,"endHours":7.863579124819451,"quality":"auspicious"},{"name":"Kāla","start":"07:52","end":"09:26","startHours":7.863579124819451,"endHours":9.427202327978563,"quality":"inauspicious"},{"name":"Śubha","start":"09:26","end":"10:59","startHours":9.427202327978563,"endHours":10.990825531137673,"quality":"auspicious"},{"name":"Roga","start":"10:59","end":"12:33","startHours":10.990825531137673,"endHours":12.554448734296784,"quality":"inauspicious"},{"name":"Udveg","start":"12:33","end":"14:07","startHours":12.554448734296784,"endHours":14.118071937455895,"quality":"inauspicious"},{"name":"Chala","start":"14:07","end":"15:41","startHours":14.118071937455895,"endHours":15.681695140615005,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:15","startHours":15.681695140615005,"endHours":17.245318343774116,"quality":"auspicious"},{"name":"Amṛta","start":"17:15","end":"18:49","startHours":17.245318343774116,"endHours":18.808941546933227,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:49","end":"20:15","startHours":18.808941546933227,"endHours":20.245318343774116,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:41","startHours":20.245318343774116,"endHours":21.681695140615005,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"23:07","startHours":21.681695140615005,"endHours":23.118071937455895,"quality":"auspicious"},{"name":"Kāla","start":"23:07","end":"00:33","startHours":23.118071937455895,"endHours":24.554448734296784,"quality":"inauspicious"},{"name":"Śubha","start":"00:33","end":"01:59","startHours":24.554448734296784,"endHours":25.990825531137673,"quality":"auspicious"},{"name":"Roga","start":"01:59","end":"03:26","startHours":25.990825531137673,"endHours":27.427202327978563,"quality":"inauspicious"},{"name":"Udveg","start":"03:26","end":"04:52","startHours":27.427202327978563,"endHours":28.863579124819452,"quality":"inauspicious"},{"name":"Chala","start":"04:52","end":"06:18","startHours":28.863579124819452,"endHours":30.29995592166034,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.299955921660341,"endHours":7.299955921660341,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.299955921660341,"endHours":8.299955921660342,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.299955921660342,"endHours":9.299955921660342,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.299955921660342,"endHours":10.299955921660342,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.299955921660342,"endHours":11.299955921660342,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.299955921660342,"endHours":12.299955921660342,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.299955921660342,"endHours":13.299955921660342,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.299955921660342,"endHours":14.299955921660342,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.299955921660342,"endHours":15.299955921660342,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.299955921660342,"endHours":16.29995592166034,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.29995592166034,"endHours":17.29995592166034,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.29995592166034,"endHours":18.29995592166034,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.29995592166034,"endHours":19.29995592166034,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.29995592166034,"endHours":20.29995592166034,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.29995592166034,"endHours":21.29995592166034,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.29995592166034,"endHours":22.29995592166034,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.29995592166034,"endHours":23.29995592166034,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.29995592166034,"endHours":24.29995592166034,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.29995592166034,"endHours":25.29995592166034,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.29995592166034,"endHours":26.29995592166034,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.29995592166034,"endHours":27.29995592166034,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.29995592166034,"endHours":28.29995592166034,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.29995592166034,"endHours":29.29995592166034,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.29995592166034,"endHours":30.29995592166034,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.677800975117632,"eotMinutes":-0.240124057807095,"ayanamsa":25.3796}},"calendars":{"vikram_samvat":2166,"vikram_samvatsara":"Citrabhānu","saka_samvat":2031,"saka_samvatsara":"Śukla","bengali_samvat":1516,"malayalam_era":1285,"nanakshahi_year":640,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pūrṇimā · Vikram 2166 Citrabhānu · Śaka 2031 Śukla"},"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_ingress":"Meṣa"},"precedence":1},{"id":"hanuman-jayanti","name":"Hanumān Jayantī","name_sanskrit":"हनुमान जयन्ती","tradition":"Vaishnava","associated_deity":"Bhagavān Hanumān (Rudra-aṁśa, Rāma-bhakta)","significance":"Birth of Hanumān (Caitra Pūrṇimā tradition; some traditions Mārgaśīrṣa Kṛṣṇa 14).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"sources":["Vālmīki Rāmāyaṇa, Sundara-Kāṇḍa"]},{"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_ingress":"Meṣa"},"precedence":2}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 April 15, 2109 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 15, 2109 CE for Kolhāpur, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:18, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2109-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2109-04-15","sa":"https://sa.vidhyamitra.com/city/kolhapur/2109-04-15","hi":"https://hi.vidhyamitra.com/city/kolhapur/2109-04-15","x-default":"https://vidhyamitra.com/city/kolhapur/2109-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:16:30.230Z","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":"2026-06-01T04:16:30.230Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:16:30.230Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}