{"id":"vidhyamitra:city-day:kolhapur:2011-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2011-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-20","date_display":"April 20, 2011 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":2011,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455671.770833,"kali_year":5113,"ahargana":1867206.2708,"sun":{"sidereal_longitude":5.7021,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":211.6969,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.9949,"elapsed_within_tithi_degrees":1.9949},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.6969,"elapsed_within_degrees":11.6969},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.399},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":2011,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455671.770833,"ahargana":1867206.2708,"kali_year":5113,"ayanamsa_lahiri":24.0108,"grahas":{"sun":{"sidereal_longitude":5.6155370000000175,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":212.43913699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-2.5619},"mars":{"sidereal_longitude":349.625037,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":349.307337,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":355.675237,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":334.495937,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":168.414937,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":246.4261,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.4261,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455671.770833,"kali_year":5113,"ahargana":1867206.2708,"sun":{"sidereal_longitude":5.7021,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":211.6969,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":205.9949,"elapsed_within_tithi_degrees":1.9949},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.6969,"elapsed_within_degrees":11.6969},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.399},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.562,"elongation":154.005},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.562,"opposition_distance":25.995}},"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":"06:15","sunsetLocal":"18:49","solarNoonLocal":"12:32","dayLengthHours":12.578566153311591,"dayLengthDisplay":"12 Hours 34 Mins 43 Secs","nightLengthDisplay":"11 Hours 25 Mins 17 Secs","moonriseLocal":"20:41","moonsetLocal":"07:58","rahuKala":{"name":"Rāhu Kāla","start":"12:32","end":"14:06","startHours":12.53431727557265,"endHours":14.106638044736599,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:49","end":"09:23","startHours":7.817354968080803,"endHours":9.389675737244751,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:58","end":"12:32","startHours":10.9619965064087,"endHours":12.53431727557265,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:36","startHours":9.180032968022893,"endHours":9.599318506466611,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:06","startHours":6.769141121971503,"endHours":7.104569552726479,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:57","startHours":12.11503173712893,"endHours":12.95360281401637,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:24","startHours":4.567892045141975,"endHours":5.406463122029415,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:12","end":"06:15","startHours":5.1968203528075545,"endHours":6.245034198916854,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.630744967791248,"endHours":15.469316044678687,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.623600352228447,"endHours":19.023600352228446,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:21","startHours":18.823600352228446,"endHours":19.347707275283096,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.573600352228446,"endHours":20.323600352228446,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:57","startHours":24.11503173712893,"endHours":24.95360281401637,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:15","end":"07:49","startHours":6.245034198916854,"endHours":7.817354968080803,"quality":"auspicious"},{"name":"Amṛta","start":"07:49","end":"09:23","startHours":7.817354968080803,"endHours":9.389675737244751,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"10:58","startHours":9.389675737244751,"endHours":10.9619965064087,"quality":"inauspicious"},{"name":"Śubha","start":"10:58","end":"12:32","startHours":10.9619965064087,"endHours":12.53431727557265,"quality":"auspicious"},{"name":"Roga","start":"12:32","end":"14:06","startHours":12.53431727557265,"endHours":14.106638044736599,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:41","startHours":14.106638044736599,"endHours":15.678958813900547,"quality":"inauspicious"},{"name":"Chala","start":"15:41","end":"17:15","startHours":15.678958813900547,"endHours":17.2512795830645,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"18:49","startHours":17.2512795830645,"endHours":18.823600352228446,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:49","end":"20:15","startHours":18.823600352228446,"endHours":20.2512795830645,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:41","startHours":20.2512795830645,"endHours":21.67895881390055,"quality":"neutral"},{"name":"Labha","start":"21:41","end":"23:06","startHours":21.67895881390055,"endHours":23.1066380447366,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:32","startHours":23.1066380447366,"endHours":24.53431727557265,"quality":"auspicious"},{"name":"Kāla","start":"00:32","end":"01:58","startHours":24.53431727557265,"endHours":25.961996506408703,"quality":"inauspicious"},{"name":"Śubha","start":"01:58","end":"03:23","startHours":25.961996506408703,"endHours":27.38967573724475,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"04:49","startHours":27.38967573724475,"endHours":28.817354968080803,"quality":"inauspicious"},{"name":"Udveg","start":"04:49","end":"06:15","startHours":28.817354968080803,"endHours":30.245034198916855,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.245034198916854,"endHours":7.245034198916854,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.245034198916854,"endHours":8.245034198916855,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.245034198916855,"endHours":9.245034198916855,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.245034198916855,"endHours":10.245034198916855,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.245034198916855,"endHours":11.245034198916855,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.245034198916855,"endHours":12.245034198916855,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.245034198916855,"endHours":13.245034198916855,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.245034198916855,"endHours":14.245034198916855,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.245034198916855,"endHours":15.245034198916855,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.245034198916855,"endHours":16.245034198916855,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.245034198916855,"endHours":17.245034198916855,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.245034198916855,"endHours":18.245034198916855,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.245034198916855,"endHours":19.245034198916855,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.245034198916855,"endHours":20.245034198916855,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.245034198916855,"endHours":21.245034198916855,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.245034198916855,"endHours":22.245034198916855,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.245034198916855,"endHours":23.245034198916855,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.245034198916855,"endHours":24.245034198916855,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.245034198916855,"endHours":25.245034198916855,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.245034198916855,"endHours":26.245034198916855,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.245034198916855,"endHours":27.245034198916855,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.245034198916855,"endHours":28.245034198916855,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.245034198916855,"endHours":29.245034198916855,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.245034198916855,"endHours":30.245034198916855,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":11.339121347719441,"eotMinutes":0.9677634656409275,"ayanamsa":24.0108}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Tṛtīyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"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":"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 20, 2011 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 20, 2011 CE for Kolhāpur, Maharashtra: Kṛṣṇa Tṛtīyā, sūryodaya 06:15, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2011-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2011-04-20","sa":"https://sa.vidhyamitra.com/city/kolhapur/2011-04-20","hi":"https://hi.vidhyamitra.com/city/kolhapur/2011-04-20","x-default":"https://vidhyamitra.com/city/kolhapur/2011-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:18:48.317Z","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":"2026-05-15T20:18:48.317Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:18:48.317Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}