{"id":"vidhyamitra:city-day:kolhapur:2021-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2021-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-05-10","date_display":"May 10, 2021 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":2021,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459344.770833,"kali_year":5123,"ahargana":1870879.2708,"sun":{"sidereal_longitude":25.4323,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":6.0518,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.6195,"elapsed_within_tithi_degrees":4.6195},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.0518,"elapsed_within_degrees":6.0518},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.4841},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2021,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459344.770833,"ahargana":1870879.2708,"kali_year":5123,"ayanamsa_lahiri":24.1513,"grahas":{"sun":{"sidereal_longitude":25.46930199999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":6.499601999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-3.2224},"mars":{"sidereal_longitude":75.643102,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":45.340502000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":305.374602,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":36.754502,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":289.23760200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":51.8129,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":231.8129,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459344.770833,"kali_year":5123,"ahargana":1870879.2708,"sun":{"sidereal_longitude":25.4323,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":6.0518,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.6195,"elapsed_within_tithi_degrees":4.6195},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":6.0518,"elapsed_within_degrees":6.0518},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.4841},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.222,"elongation":19.38},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.222,"opposition_distance":160.62}},"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":"06:04","sunsetLocal":"18:55","solarNoonLocal":"12:29","dayLengthHours":12.852338595970373,"dayLengthDisplay":"12 Hours 51 Mins 08 Secs","nightLengthDisplay":"11 Hours 08 Mins 52 Secs","moonriseLocal":"04:57","moonsetLocal":"17:30","rahuKala":{"name":"Rāhu Kāla","start":"07:40","end":"09:17","startHours":7.66954259611022,"endHours":9.276084920606516,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:29","startHours":10.882627245102814,"endHours":12.48916956959911,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:42","startHours":14.095711894095405,"endHours":15.702254218591703,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:29","startHours":9.061879277340344,"endHours":9.490290563872689,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.598514379779355,"endHours":6.9412434090052315,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:55","startHours":12.060758283066765,"endHours":12.917580856131455,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:12","startHours":4.34935512548454,"endHours":5.206177698549231,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:04","startHours":4.991972055283059,"endHours":6.063000271613923,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:29","startHours":14.631226002260838,"endHours":15.48804857532553,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:43","end":"19:07","startHours":18.715338867584297,"endHours":19.115338867584295,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:55","end":"19:27","startHours":18.915338867584296,"endHours":19.45085297574973,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:40","end":"20:25","startHours":18.665338867584296,"endHours":20.415338867584296,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:55","startHours":24.060758283066765,"endHours":24.917580856131455,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:04","end":"07:40","startHours":6.063000271613923,"endHours":7.66954259611022,"quality":"auspicious"},{"name":"Kāla","start":"07:40","end":"09:17","startHours":7.66954259611022,"endHours":9.276084920606516,"quality":"inauspicious"},{"name":"Śubha","start":"09:17","end":"10:53","startHours":9.276084920606516,"endHours":10.882627245102814,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:29","startHours":10.882627245102814,"endHours":12.48916956959911,"quality":"inauspicious"},{"name":"Udveg","start":"12:29","end":"14:06","startHours":12.48916956959911,"endHours":14.095711894095405,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:42","startHours":14.095711894095405,"endHours":15.702254218591703,"quality":"neutral"},{"name":"Labha","start":"15:42","end":"17:19","startHours":15.702254218591703,"endHours":17.308796543088,"quality":"auspicious"},{"name":"Amṛta","start":"17:19","end":"18:55","startHours":17.308796543088,"endHours":18.915338867584296,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:55","end":"20:19","startHours":18.915338867584296,"endHours":20.308796543088,"quality":"neutral"},{"name":"Labha","start":"20:19","end":"21:42","startHours":20.308796543088,"endHours":21.702254218591705,"quality":"auspicious"},{"name":"Amṛta","start":"21:42","end":"23:06","startHours":21.702254218591705,"endHours":23.095711894095405,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:29","startHours":23.095711894095405,"endHours":24.48916956959911,"quality":"inauspicious"},{"name":"Śubha","start":"00:29","end":"01:53","startHours":24.48916956959911,"endHours":25.882627245102814,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:17","startHours":25.882627245102814,"endHours":27.276084920606515,"quality":"inauspicious"},{"name":"Udveg","start":"03:17","end":"04:40","startHours":27.276084920606515,"endHours":28.66954259611022,"quality":"inauspicious"},{"name":"Chala","start":"04:40","end":"06:04","startHours":28.66954259611022,"endHours":30.063000271613923,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.063000271613923,"endHours":7.063000271613923,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.063000271613923,"endHours":8.063000271613923,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.063000271613923,"endHours":9.063000271613923,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.063000271613923,"endHours":10.063000271613923,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.063000271613923,"endHours":11.063000271613923,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.063000271613923,"endHours":12.063000271613923,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.063000271613923,"endHours":13.063000271613923,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.063000271613923,"endHours":14.063000271613923,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.063000271613923,"endHours":15.063000271613923,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.063000271613923,"endHours":16.063000271613923,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.063000271613923,"endHours":17.063000271613923,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.063000271613923,"endHours":18.063000271613923,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.063000271613923,"endHours":19.063000271613923,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.063000271613923,"endHours":20.063000271613923,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.063000271613923,"endHours":21.063000271613923,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.063000271613923,"endHours":22.063000271613923,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.063000271613923,"endHours":23.063000271613923,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.063000271613923,"endHours":24.063000271613923,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.063000271613923,"endHours":25.063000271613923,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.063000271613923,"endHours":26.063000271613923,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.063000271613923,"endHours":27.063000271613923,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.063000271613923,"endHours":28.063000271613923,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.063000271613923,"endHours":29.063000271613923,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.063000271613923,"endHours":30.063000271613923,"planetary_lord":"Venus"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.63674775721311,"eotMinutes":3.6766258240534686,"ayanamsa":24.1513}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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":"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":"Meṣa"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 May 10, 2021 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"May 10, 2021 CE for Kolhāpur, Maharashtra: Kṛṣṇa Caturdaśī, sūryodaya 06:04, sūryāsta 18:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2021-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2021-05-10","sa":"https://sa.vidhyamitra.com/city/kolhapur/2021-05-10","hi":"https://hi.vidhyamitra.com/city/kolhapur/2021-05-10","x-default":"https://vidhyamitra.com/city/kolhapur/2021-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:56:22.011Z","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":"2026-05-15T16:56:22.011Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:56:22.011Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}