{"id":"vidhyamitra:city-day:kolhapur:2173-04-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2173-04-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-04-12","date_display":"April 12, 2173 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":2173,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514833.770833,"kali_year":5274,"ahargana":1926368.2708,"sun":{"sidereal_longitude":356.0221,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":353.1194,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0973,"elapsed_within_tithi_degrees":9.0973},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":353.1194,"elapsed_within_degrees":6.4527},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.1415},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2173,"month":4,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514833.770833,"ahargana":1926368.2708,"kali_year":5274,"ayanamsa_lahiri":26.2736,"grahas":{"sun":{"sidereal_longitude":356.279414,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.618214,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":0.1083},"mars":{"sidereal_longitude":12.149314000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":357.712114,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":231.44631400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":9.529113999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":338.303914,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":351.7387,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":171.7387,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2173,"month":4,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514833.770833,"kali_year":5274,"ahargana":1926368.2708,"sun":{"sidereal_longitude":356.0221,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":353.1194,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0973,"elapsed_within_tithi_degrees":9.0973},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":353.1194,"elapsed_within_degrees":6.4527},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":349.1415},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":true,"moon_latitude":0.108,"elongation":2.903},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.108,"opposition_distance":177.097}},"eclipse_window_40days":[{"offset_days":0,"type":"solar","occurs":true,"moon_latitude":0.108,"elongation":2.903}]},"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":12.471506787213713,"dayLengthDisplay":"12 Hours 28 Mins 17 Secs","nightLengthDisplay":"11 Hours 31 Mins 43 Secs","moonriseLocal":"06:05","moonsetLocal":"18:26","rahuKala":{"name":"Rāhu Kāla","start":"07:53","end":"09:27","startHours":7.891023307453879,"endHours":9.449961655855592,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:01","end":"12:34","startHours":11.008900004257306,"endHours":12.56783835265902,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:08","end":"15:41","startHours":14.126776701060734,"endHours":15.685715049462448,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.242103209402032,"endHours":9.657820102309156,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.85173107518607,"endHours":7.184304589511769,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:59","startHours":12.152121459751896,"endHours":12.983555245566144,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:30","startHours":4.66921738742367,"endHours":5.500651173237918,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:20","startHours":5.292792726784356,"endHours":6.332084959052165,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:29","startHours":14.64642281719464,"endHours":15.477856603008888,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.603591746265877,"endHours":19.003591746265876,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:19","startHours":18.803591746265877,"endHours":19.323237862399782,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.553591746265877,"endHours":20.303591746265877,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:59","startHours":24.152121459751896,"endHours":24.983555245566144,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:20","end":"07:53","startHours":6.332084959052165,"endHours":7.891023307453879,"quality":"auspicious"},{"name":"Kāla","start":"07:53","end":"09:27","startHours":7.891023307453879,"endHours":9.449961655855592,"quality":"inauspicious"},{"name":"Śubha","start":"09:27","end":"11:01","startHours":9.449961655855592,"endHours":11.008900004257306,"quality":"auspicious"},{"name":"Roga","start":"11:01","end":"12:34","startHours":11.008900004257306,"endHours":12.56783835265902,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:08","startHours":12.56783835265902,"endHours":14.126776701060734,"quality":"inauspicious"},{"name":"Chala","start":"14:08","end":"15:41","startHours":14.126776701060734,"endHours":15.685715049462448,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:15","startHours":15.685715049462448,"endHours":17.244653397864163,"quality":"auspicious"},{"name":"Amṛta","start":"17:15","end":"18:48","startHours":17.244653397864163,"endHours":18.803591746265877,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:48","end":"20:15","startHours":18.803591746265877,"endHours":20.244653397864163,"quality":"neutral"},{"name":"Labha","start":"20:15","end":"21:41","startHours":20.244653397864163,"endHours":21.68571504946245,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"23:08","startHours":21.68571504946245,"endHours":23.126776701060734,"quality":"auspicious"},{"name":"Kāla","start":"23:08","end":"00:34","startHours":23.126776701060734,"endHours":24.56783835265902,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"02:01","startHours":24.56783835265902,"endHours":26.008900004257306,"quality":"auspicious"},{"name":"Roga","start":"02:01","end":"03:27","startHours":26.008900004257306,"endHours":27.449961655855592,"quality":"inauspicious"},{"name":"Udveg","start":"03:27","end":"04:53","startHours":27.449961655855592,"endHours":28.891023307453878,"quality":"inauspicious"},{"name":"Chala","start":"04:53","end":"06:20","startHours":28.891023307453878,"endHours":30.332084959052164,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.332084959052165,"endHours":7.332084959052165,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.332084959052165,"endHours":8.332084959052164,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.332084959052164,"endHours":9.332084959052164,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.332084959052164,"endHours":10.332084959052164,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.332084959052164,"endHours":11.332084959052164,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.332084959052164,"endHours":12.332084959052164,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.332084959052164,"endHours":13.332084959052164,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.332084959052164,"endHours":14.332084959052164,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.332084959052164,"endHours":15.332084959052164,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.332084959052164,"endHours":16.332084959052164,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.332084959052164,"endHours":17.332084959052164,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.332084959052164,"endHours":18.332084959052164,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.332084959052164,"endHours":19.332084959052164,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.332084959052164,"endHours":20.332084959052164,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.332084959052164,"endHours":21.332084959052164,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.332084959052164,"endHours":22.332084959052164,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.332084959052164,"endHours":23.332084959052164,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.332084959052164,"endHours":24.332084959052164,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.332084959052164,"endHours":25.332084959052164,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.332084959052164,"endHours":26.332084959052164,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.332084959052164,"endHours":27.332084959052164,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.332084959052164,"endHours":28.332084959052164,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.332084959052164,"endHours":29.332084959052164,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.332084959052164,"endHours":30.332084959052164,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","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":8.774474105973562,"eotMinutes":-1.043501159541278,"ayanamsa":26.2736}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","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 Kṛṣṇa Amāvasyā · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 12, 2173 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 12, 2173 CE for Kolhāpur, Maharashtra: Kṛṣṇa Amāvasyā, sūryodaya 06:20, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2173-04-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2173-04-12","sa":"https://sa.vidhyamitra.com/city/kolhapur/2173-04-12","hi":"https://hi.vidhyamitra.com/city/kolhapur/2173-04-12","x-default":"https://vidhyamitra.com/city/kolhapur/2173-04-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:45:15.867Z","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":"2026-05-31T16:45:15.867Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:45:15.867Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}