{"id":"vidhyamitra:city-day:kolhapur:1917-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1917-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-04-15","date_display":"April 15, 1917 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":1917,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421333.770833,"kali_year":5018,"ahargana":1832868.2708,"sun":{"sidereal_longitude":2.1212,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":276.3791,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.2579,"elapsed_within_tithi_degrees":10.2579},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.3791,"elapsed_within_degrees":9.7124},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.5003},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1917,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421333.770833,"ahargana":1832868.2708,"kali_year":5018,"ayanamsa_lahiri":22.6975,"grahas":{"sun":{"sidereal_longitude":1.8012009999999918,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":274.3316010000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":0.8239},"mars":{"sidereal_longitude":353.356701,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":19.325801000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":20.41420099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":0.029300999999975375,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":91.87170100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":265.8186,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":85.8186,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"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":1917,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421333.770833,"kali_year":5018,"ahargana":1832868.2708,"sun":{"sidereal_longitude":2.1212,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":276.3791,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.2579,"elapsed_within_tithi_degrees":10.2579},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.3791,"elapsed_within_degrees":9.7124},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.5003},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.824,"elongation":85.742},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.824,"opposition_distance":94.258}},"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":"18:48","solarNoonLocal":"12:33","dayLengthHours":12.501303126944663,"dayLengthDisplay":"12 Hours 30 Mins 05 Secs","nightLengthDisplay":"11 Hours 29 Mins 55 Secs","moonriseLocal":"01:07","moonsetLocal":"12:20","rahuKala":{"name":"Rāhu Kāla","start":"17:15","end":"18:48","startHours":17.242437406901033,"endHours":18.805100297769116,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"14:07","startHours":12.554448734296784,"endHours":14.117111625164867,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:15","startHours":15.67977451603295,"endHours":17.242437406901033,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:38","startHours":9.220767900444873,"endHours":9.637478004676362,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:09","startHours":6.824684801113814,"endHours":7.158052884499005,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:58","startHours":12.137738630065295,"endHours":12.971158838528273,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:28","startHours":4.636956753898498,"endHours":5.470376962361475,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:18","startHours":5.262021910245731,"endHours":6.303797170824453,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.637999255454227,"endHours":15.471419463917204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.605100297769116,"endHours":19.005100297769115,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.805100297769116,"endHours":19.325987928058478,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.555100297769116,"endHours":20.305100297769116,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:58","startHours":24.137738630065297,"endHours":24.97115883852827,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:18","end":"07:52","startHours":6.303797170824453,"endHours":7.8664600616925355,"quality":"inauspicious"},{"name":"Chala","start":"07:52","end":"09:26","startHours":7.8664600616925355,"endHours":9.429122952560618,"quality":"neutral"},{"name":"Labha","start":"09:26","end":"11:00","startHours":9.429122952560618,"endHours":10.991785843428701,"quality":"auspicious"},{"name":"Amṛta","start":"11:00","end":"12:33","startHours":10.991785843428701,"endHours":12.554448734296784,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"14:07","startHours":12.554448734296784,"endHours":14.117111625164867,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:41","startHours":14.117111625164867,"endHours":15.67977451603295,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:15","startHours":15.67977451603295,"endHours":17.242437406901033,"quality":"inauspicious"},{"name":"Udveg","start":"17:15","end":"18:48","startHours":17.242437406901033,"endHours":18.805100297769116,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:48","end":"20:15","startHours":18.805100297769116,"endHours":20.242437406901033,"quality":"auspicious"},{"name":"Roga","start":"20:15","end":"21:41","startHours":20.242437406901033,"endHours":21.67977451603295,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"23:07","startHours":21.67977451603295,"endHours":23.117111625164867,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:33","startHours":23.117111625164867,"endHours":24.554448734296784,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:00","startHours":24.554448734296784,"endHours":25.9917858434287,"quality":"auspicious"},{"name":"Amṛta","start":"02:00","end":"03:26","startHours":25.9917858434287,"endHours":27.42912295256062,"quality":"auspicious"},{"name":"Kāla","start":"03:26","end":"04:52","startHours":27.42912295256062,"endHours":28.866460061692536,"quality":"inauspicious"},{"name":"Śubha","start":"04:52","end":"06:18","startHours":28.866460061692536,"endHours":30.303797170824453,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.303797170824453,"endHours":7.303797170824453,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.303797170824453,"endHours":8.303797170824453,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.303797170824453,"endHours":9.303797170824453,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.303797170824453,"endHours":10.303797170824453,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.303797170824453,"endHours":11.303797170824453,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.303797170824453,"endHours":12.303797170824453,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.303797170824453,"endHours":13.303797170824453,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.303797170824453,"endHours":14.303797170824453,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.303797170824453,"endHours":15.303797170824453,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.303797170824453,"endHours":16.303797170824453,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.303797170824453,"endHours":17.303797170824453,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.303797170824453,"endHours":18.303797170824453,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.303797170824453,"endHours":19.303797170824453,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.303797170824453,"endHours":20.303797170824453,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.303797170824453,"endHours":21.303797170824453,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.303797170824453,"endHours":22.303797170824453,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.303797170824453,"endHours":23.303797170824453,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.303797170824453,"endHours":24.303797170824453,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.303797170824453,"endHours":25.303797170824453,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.303797170824453,"endHours":26.303797170824453,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.303797170824453,"endHours":27.303797170824453,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.303797170824453,"endHours":28.303797170824453,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.303797170824453,"endHours":29.303797170824453,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.303797170824453,"endHours":30.303797170824453,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.49309593567604,"eotMinutes":-0.240124057807095,"ayanamsa":22.6975}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Aṣṭamī · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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, 1917 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 15, 1917 CE for Kolhāpur, Maharashtra: Kṛṣṇa Aṣṭamī, sūryodaya 06:18, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1917-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1917-04-15","sa":"https://sa.vidhyamitra.com/city/kolhapur/1917-04-15","hi":"https://hi.vidhyamitra.com/city/kolhapur/1917-04-15","x-default":"https://vidhyamitra.com/city/kolhapur/1917-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T19:28:55.823Z","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":"2026-06-02T19:28:55.823Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T19:28:55.823Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}