{"id":"vidhyamitra:city-day:kolhapur:1919-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1919-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1919-04-13","date_display":"April 13, 1919 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":1919,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422061.770833,"kali_year":5020,"ahargana":1833596.2708,"sun":{"sidereal_longitude":359.6643,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":153.5914,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.9271,"elapsed_within_tithi_degrees":9.9271},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":153.5914,"elapsed_within_degrees":6.9247},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.2557},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1919,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422061.770833,"ahargana":1833596.2708,"kali_year":5020,"ayanamsa_lahiri":22.7254,"grahas":{"sun":{"sidereal_longitude":359.341086,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":153.960286,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-4.3178},"mars":{"sidereal_longitude":6.787985999999989,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":352.421086,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":76.07228599999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":33.337886000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":119.19358599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":227.2457,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.2457,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"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":1919,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422061.770833,"kali_year":5020,"ahargana":1833596.2708,"sun":{"sidereal_longitude":359.6643,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":153.5914,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.9271,"elapsed_within_tithi_degrees":9.9271},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":153.5914,"elapsed_within_degrees":6.9247},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.2557},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.318,"elongation":153.927},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.318,"opposition_distance":26.073}},"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":"06:20","sunsetLocal":"18:48","solarNoonLocal":"12:34","dayLengthHours":12.464020489536125,"dayLengthDisplay":"12 Hours 27 Mins 50 Secs","nightLengthDisplay":"11 Hours 32 Mins 10 Secs","moonriseLocal":"16:48","moonsetLocal":"04:56","rahuKala":{"name":"Rāhu Kāla","start":"17:14","end":"18:48","startHours":17.237284530737785,"endHours":18.7952870919298,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:34","end":"14:07","startHours":12.563276847161738,"endHours":14.121279408353754,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:14","startHours":15.67928196954577,"endHours":17.237284530737785,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:39","startHours":9.239538049952106,"endHours":9.65500539960331,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.8506007894576815,"endHours":7.182974669178645,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:59","startHours":12.147809497510535,"endHours":12.978744196812942,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:30","startHours":4.66939720378886,"endHours":5.5003319030912685,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:20","startHours":5.292598228265666,"endHours":6.331266602393677,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.640613595417761,"endHours":15.47154829472017,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.5952870919298,"endHours":18.9952870919298,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:19","startHours":18.7952870919298,"endHours":19.314621278993805,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.5452870919298,"endHours":20.2952870919298,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:59","startHours":24.147809497510533,"endHours":24.978744196812944,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:20","end":"07:53","startHours":6.331266602393677,"endHours":7.889269163585692,"quality":"inauspicious"},{"name":"Chala","start":"07:53","end":"09:27","startHours":7.889269163585692,"endHours":9.447271724777707,"quality":"neutral"},{"name":"Labha","start":"09:27","end":"11:00","startHours":9.447271724777707,"endHours":11.005274285969723,"quality":"auspicious"},{"name":"Amṛta","start":"11:00","end":"12:34","startHours":11.005274285969723,"endHours":12.563276847161738,"quality":"auspicious"},{"name":"Kāla","start":"12:34","end":"14:07","startHours":12.563276847161738,"endHours":14.121279408353754,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:41","startHours":14.121279408353754,"endHours":15.67928196954577,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:14","startHours":15.67928196954577,"endHours":17.237284530737785,"quality":"inauspicious"},{"name":"Udveg","start":"17:14","end":"18:48","startHours":17.237284530737785,"endHours":18.7952870919298,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:48","end":"20:14","startHours":18.7952870919298,"endHours":20.237284530737785,"quality":"auspicious"},{"name":"Roga","start":"20:14","end":"21:41","startHours":20.237284530737785,"endHours":21.67928196954577,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"23:07","startHours":21.67928196954577,"endHours":23.121279408353754,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:34","startHours":23.121279408353754,"endHours":24.563276847161738,"quality":"neutral"},{"name":"Labha","start":"00:34","end":"02:00","startHours":24.563276847161738,"endHours":26.005274285969723,"quality":"auspicious"},{"name":"Amṛta","start":"02:00","end":"03:27","startHours":26.005274285969723,"endHours":27.447271724777707,"quality":"auspicious"},{"name":"Kāla","start":"03:27","end":"04:53","startHours":27.447271724777707,"endHours":28.88926916358569,"quality":"inauspicious"},{"name":"Śubha","start":"04:53","end":"06:20","startHours":28.88926916358569,"endHours":30.331266602393676,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.331266602393677,"endHours":7.331266602393677,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.331266602393677,"endHours":8.331266602393676,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.331266602393676,"endHours":9.331266602393676,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.331266602393676,"endHours":10.331266602393676,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.331266602393676,"endHours":11.331266602393676,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.331266602393676,"endHours":12.331266602393676,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.331266602393676,"endHours":13.331266602393676,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.331266602393676,"endHours":14.331266602393676,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.331266602393676,"endHours":15.331266602393676,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.331266602393676,"endHours":16.331266602393676,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.331266602393676,"endHours":17.331266602393676,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.331266602393676,"endHours":18.331266602393676,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.331266602393676,"endHours":19.331266602393676,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.331266602393676,"endHours":20.331266602393676,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.331266602393676,"endHours":21.331266602393676,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.331266602393676,"endHours":22.331266602393676,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.331266602393676,"endHours":23.331266602393676,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.331266602393676,"endHours":24.331266602393676,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.331266602393676,"endHours":25.331266602393676,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.331266602393676,"endHours":26.331266602393676,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.331266602393676,"endHours":27.331266602393676,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.331266602393676,"endHours":28.331266602393676,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.331266602393676,"endHours":29.331266602393676,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.331266602393676,"endHours":30.331266602393676,"planetary_lord":"Jupiter"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.59337554237394,"eotMinutes":-0.7698108297043191,"ayanamsa":22.7254}},"calendars":{"vikram_samvat":1976,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1841,"saka_samvatsara":"Siddhārthī","bengali_samvat":1326,"malayalam_era":1095,"nanakshahi_year":450,"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 Trayodaśī · Vikram 1976 Aṅgirasa · Śaka 1841 Siddhārthī"},"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":"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 April 13, 1919 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 13, 1919 CE for Kolhāpur, Maharashtra: Śukla Trayodaśī, sūryodaya 06:20, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1919-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1919-04-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1919-04-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1919-04-13","x-default":"https://vidhyamitra.com/city/kolhapur/1919-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:12:40.216Z","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":"2026-06-01T13:12:40.216Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:12:40.216Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}