{"id":"vidhyamitra:city-day:kolhapur:2101-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2101-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-04-17","date_display":"April 17, 2101 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":2101,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488540.770833,"kali_year":5202,"ahargana":1900075.2708,"sun":{"sidereal_longitude":1.5251,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":219.9277,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.4026,"elapsed_within_tithi_degrees":2.4026},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.9277,"elapsed_within_degrees":6.5943},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.4528},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2101,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488540.770833,"ahargana":1900075.2708,"kali_year":5202,"ayanamsa_lahiri":25.2679,"grahas":{"sun":{"sidereal_longitude":1.6324000000000183,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":222.99790000000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-4.4824},"mars":{"sidereal_longitude":305.74980000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":15.14960000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":204.96320000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":11.682999999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":189.49059999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":304.8683,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.8683,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2101,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488540.770833,"kali_year":5202,"ahargana":1900075.2708,"sun":{"sidereal_longitude":1.5251,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":219.9277,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.4026,"elapsed_within_tithi_degrees":2.4026},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.9277,"elapsed_within_degrees":6.5943},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.4528},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.482,"elongation":141.597},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.482,"opposition_distance":38.403}},"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":"06:17","sunsetLocal":"18:49","solarNoonLocal":"12:33","dayLengthHours":12.537736391171592,"dayLengthDisplay":"12 Hours 32 Mins 16 Secs","nightLengthDisplay":"11 Hours 27 Mins 44 Secs","moonriseLocal":"21:43","moonsetLocal":"08:53","rahuKala":{"name":"Rāhu Kāla","start":"17:15","end":"18:49","startHours":17.247696997027184,"endHours":18.814914045923633,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"14:07","startHours":12.546045850337837,"endHours":14.113262899234286,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:15","startHours":15.680479948130735,"endHours":17.247696997027184,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.202649479358747,"endHours":9.620574025731134,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:08","startHours":6.799583337717525,"endHours":7.133922974815435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:58","startHours":12.12812130396545,"endHours":12.963970396710224,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:26","startHours":4.605479469262496,"endHours":5.4413285620072696,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:17","startHours":5.232366288821076,"endHours":6.277177654752042,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:28","startHours":14.63566858219977,"endHours":15.471517674944543,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.614914045923634,"endHours":19.014914045923632,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:20","startHours":18.814914045923633,"endHours":19.337319728889117,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.564914045923633,"endHours":20.314914045923633,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:58","startHours":24.12812130396545,"endHours":24.963970396710224,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:17","end":"07:51","startHours":6.277177654752042,"endHours":7.844394703648491,"quality":"inauspicious"},{"name":"Chala","start":"07:51","end":"09:25","startHours":7.844394703648491,"endHours":9.411611752544939,"quality":"neutral"},{"name":"Labha","start":"09:25","end":"10:59","startHours":9.411611752544939,"endHours":10.978828801441388,"quality":"auspicious"},{"name":"Amṛta","start":"10:59","end":"12:33","startHours":10.978828801441388,"endHours":12.546045850337837,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"14:07","startHours":12.546045850337837,"endHours":14.113262899234286,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:41","startHours":14.113262899234286,"endHours":15.680479948130735,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:15","startHours":15.680479948130735,"endHours":17.247696997027184,"quality":"inauspicious"},{"name":"Udveg","start":"17:15","end":"18:49","startHours":17.247696997027184,"endHours":18.814914045923633,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:49","end":"20:15","startHours":18.814914045923633,"endHours":20.247696997027184,"quality":"auspicious"},{"name":"Roga","start":"20:15","end":"21:41","startHours":20.247696997027184,"endHours":21.680479948130735,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"23:07","startHours":21.680479948130735,"endHours":23.113262899234286,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:33","startHours":23.113262899234286,"endHours":24.546045850337837,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"01:59","startHours":24.546045850337837,"endHours":25.978828801441388,"quality":"auspicious"},{"name":"Amṛta","start":"01:59","end":"03:25","startHours":25.978828801441388,"endHours":27.41161175254494,"quality":"auspicious"},{"name":"Kāla","start":"03:25","end":"04:51","startHours":27.41161175254494,"endHours":28.84439470364849,"quality":"inauspicious"},{"name":"Śubha","start":"04:51","end":"06:17","startHours":28.84439470364849,"endHours":30.27717765475204,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.277177654752042,"endHours":7.277177654752042,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.277177654752042,"endHours":8.277177654752041,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.277177654752041,"endHours":9.277177654752041,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.277177654752041,"endHours":10.277177654752041,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.277177654752041,"endHours":11.277177654752041,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.277177654752041,"endHours":12.277177654752041,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.277177654752041,"endHours":13.277177654752041,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.277177654752041,"endHours":14.277177654752041,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.277177654752041,"endHours":15.277177654752041,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.277177654752041,"endHours":16.27717765475204,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.27717765475204,"endHours":17.27717765475204,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.27717765475204,"endHours":18.27717765475204,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.27717765475204,"endHours":19.27717765475204,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.27717765475204,"endHours":20.27717765475204,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.27717765475204,"endHours":21.27717765475204,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.27717765475204,"endHours":22.27717765475204,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.27717765475204,"endHours":23.27717765475204,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.27717765475204,"endHours":24.27717765475204,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.27717765475204,"endHours":25.27717765475204,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.27717765475204,"endHours":26.27717765475204,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.27717765475204,"endHours":27.27717765475204,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.27717765475204,"endHours":28.27717765475204,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.27717765475204,"endHours":29.27717765475204,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.27717765475204,"endHours":30.27717765475204,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara 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":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.366837421843245,"eotMinutes":0.2640489797298191,"ayanamsa":25.2679}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"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 Caturthī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 17, 2101 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"April 17, 2101 CE for Kolhāpur, Maharashtra: Kṛṣṇa Caturthī, sūryodaya 06:17, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2101-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2101-04-17","sa":"https://sa.vidhyamitra.com/city/kolhapur/2101-04-17","hi":"https://hi.vidhyamitra.com/city/kolhapur/2101-04-17","x-default":"https://vidhyamitra.com/city/kolhapur/2101-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:04:54.932Z","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":"2026-05-31T19:04:54.932Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:04:54.932Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}