{"id":"vidhyamitra:city-day:kolhapur:1980-04-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1980-04-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-04-25","date_display":"April 25, 1980 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":1980,"month":4,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444354.770833,"kali_year":5082,"ahargana":1855889.2708,"sun":{"sidereal_longitude":11.5477,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":131.6086,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.0609,"elapsed_within_tithi_degrees":0.0609},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.6086,"elapsed_within_degrees":11.6086},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.1563},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1980,"month":4,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444354.770833,"ahargana":1855889.2708,"kali_year":5082,"ayanamsa_lahiri":23.578,"grahas":{"sun":{"sidereal_longitude":11.415030000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":133.69943,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":0.435},"mars":{"sidereal_longitude":124.54183,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":352.95333,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":126.51402999999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":55.85692999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":147.06333,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":126.0553,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":306.0553,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":4,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444354.770833,"kali_year":5082,"ahargana":1855889.2708,"sun":{"sidereal_longitude":11.5477,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":131.6086,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":120.0609,"elapsed_within_tithi_degrees":0.0609},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.6086,"elapsed_within_degrees":11.6086},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.1563},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.435,"elongation":120.061},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.435,"opposition_distance":59.939}},"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":"06:11","sunsetLocal":"18:51","solarNoonLocal":"12:31","dayLengthHours":12.656998488175962,"dayLengthDisplay":"12 Hours 39 Mins 25 Secs","nightLengthDisplay":"11 Hours 20 Mins 35 Secs","moonriseLocal":"14:27","moonsetLocal":"02:53","rahuKala":{"name":"Rāhu Kāla","start":"10:56","end":"12:31","startHours":10.935244211010216,"endHours":12.517369022032211,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:41","end":"17:16","startHours":15.681618644076202,"endHours":17.263743455098197,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:46","end":"09:21","startHours":7.770994588966225,"endHours":9.35311939998822,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:34","startHours":9.142169425185289,"endHours":9.564069374791153,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:03","startHours":6.7162447149515625,"endHours":7.053764674636255,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:56","startHours":12.095469072426345,"endHours":12.939268971638077,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:21","startHours":4.501269979520769,"endHours":5.3450698787325,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:11","startHours":5.134119903929567,"endHours":6.18886977794423,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.626868770061538,"endHours":15.47066866927327,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.645868266120193,"endHours":19.04586826612019,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:22","startHours":18.845868266120192,"endHours":19.373243203127522,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.595868266120192,"endHours":20.345868266120192,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:56","startHours":24.095469072426347,"endHours":24.93926897163808,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:11","end":"07:46","startHours":6.18886977794423,"endHours":7.770994588966225,"quality":"neutral"},{"name":"Labha","start":"07:46","end":"09:21","startHours":7.770994588966225,"endHours":9.35311939998822,"quality":"auspicious"},{"name":"Amṛta","start":"09:21","end":"10:56","startHours":9.35311939998822,"endHours":10.935244211010216,"quality":"auspicious"},{"name":"Kāla","start":"10:56","end":"12:31","startHours":10.935244211010216,"endHours":12.517369022032211,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"14:06","startHours":12.517369022032211,"endHours":14.099493833054206,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:41","startHours":14.099493833054206,"endHours":15.681618644076202,"quality":"inauspicious"},{"name":"Udveg","start":"15:41","end":"17:16","startHours":15.681618644076202,"endHours":17.263743455098197,"quality":"inauspicious"},{"name":"Chala","start":"17:16","end":"18:51","startHours":17.263743455098197,"endHours":18.845868266120192,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:51","end":"20:16","startHours":18.845868266120192,"endHours":20.263743455098197,"quality":"inauspicious"},{"name":"Udveg","start":"20:16","end":"21:41","startHours":20.263743455098197,"endHours":21.681618644076202,"quality":"inauspicious"},{"name":"Chala","start":"21:41","end":"23:06","startHours":21.681618644076202,"endHours":23.099493833054204,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:31","startHours":23.099493833054204,"endHours":24.517369022032213,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"01:56","startHours":24.517369022032213,"endHours":25.935244211010215,"quality":"auspicious"},{"name":"Kāla","start":"01:56","end":"03:21","startHours":25.935244211010215,"endHours":27.35311939998822,"quality":"inauspicious"},{"name":"Śubha","start":"03:21","end":"04:46","startHours":27.35311939998822,"endHours":28.770994588966225,"quality":"auspicious"},{"name":"Roga","start":"04:46","end":"06:11","startHours":28.770994588966225,"endHours":30.18886977794423,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.18886977794423,"endHours":7.18886977794423,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.18886977794423,"endHours":8.18886977794423,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.18886977794423,"endHours":9.18886977794423,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.18886977794423,"endHours":10.18886977794423,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.18886977794423,"endHours":11.18886977794423,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.18886977794423,"endHours":12.18886977794423,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.18886977794423,"endHours":13.18886977794423,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.18886977794423,"endHours":14.18886977794423,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.18886977794423,"endHours":15.18886977794423,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.18886977794423,"endHours":16.18886977794423,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.18886977794423,"endHours":17.18886977794423,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.18886977794423,"endHours":18.18886977794423,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.18886977794423,"endHours":19.18886977794423,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.18886977794423,"endHours":20.18886977794423,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.18886977794423,"endHours":21.18886977794423,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.18886977794423,"endHours":22.18886977794423,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.18886977794423,"endHours":23.18886977794423,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.18886977794423,"endHours":24.18886977794423,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.18886977794423,"endHours":25.18886977794423,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.18886977794423,"endHours":26.18886977794423,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.18886977794423,"endHours":27.18886977794423,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.18886977794423,"endHours":28.18886977794423,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.18886977794423,"endHours":29.18886977794423,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.18886977794423,"endHours":30.18886977794423,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.184667648629514,"eotMinutes":1.9846586780673228,"ayanamsa":23.578}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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 Śukla Ekādaśī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 25, 1980 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 25, 1980 CE for Kolhāpur, Maharashtra: Śukla Ekādaśī, sūryodaya 06:11, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1980-04-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1980-04-25","sa":"https://sa.vidhyamitra.com/city/kolhapur/1980-04-25","hi":"https://hi.vidhyamitra.com/city/kolhapur/1980-04-25","x-default":"https://vidhyamitra.com/city/kolhapur/1980-04-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:48:57.700Z","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":"2026-06-01T22:48:57.700Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:48:57.700Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}