{"id":"vidhyamitra:city-day:kolhapur:1912-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1912-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1912-01-21","date_display":"January 21, 1912 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":1912,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419422.770833,"kali_year":5013,"ahargana":1830957.2708,"sun":{"sidereal_longitude":277.1635,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":296.0877,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.9242,"elapsed_within_tithi_degrees":6.9242},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.0877,"elapsed_within_degrees":2.7544},"yoga":{"number":16,"name":"Siddhi","sum_longitude":213.2512},"karana":{"half_tithi_index":3,"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":1912,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419422.770833,"ahargana":1830957.2708,"kali_year":5013,"ayanamsa_lahiri":22.6244,"grahas":{"sun":{"sidereal_longitude":277.020616,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":294.2966160000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-4.254},"mars":{"sidereal_longitude":35.89131600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":254.87041599999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":227.18701599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":237.87691599999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":21.67181599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":7.0726,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":187.0726,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"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":1912,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419422.770833,"kali_year":5013,"ahargana":1830957.2708,"sun":{"sidereal_longitude":277.1635,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":296.0877,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.9242,"elapsed_within_tithi_degrees":6.9242},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.0877,"elapsed_within_degrees":2.7544},"yoga":{"number":16,"name":"Siddhi","sum_longitude":213.2512},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.254,"elongation":18.924},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.254,"opposition_distance":161.076}},"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":"07:06","sunsetLocal":"18:23","solarNoonLocal":"12:44","dayLengthHours":11.277925199506747,"dayLengthDisplay":"11 Hours 16 Mins 41 Secs","nightLengthDisplay":"12 Hours 43 Mins 19 Secs","moonriseLocal":"08:10","moonsetLocal":"19:36","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:23","startHours":16.967264137300567,"endHours":18.37700478723891,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:44","end":"14:09","startHours":12.738042187485537,"endHours":14.14778283742388,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"16:58","startHours":15.557523487362225,"endHours":16.967264137300567,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:06","startHours":9.730595467617071,"endHours":10.10652630760063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:52","startHours":7.568993137711612,"endHours":7.869737809698458,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:22","end":"13:07","startHours":12.362111347501978,"endHours":13.113973027469095,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:21","startHours":5.5953562277979305,"endHours":6.347217907765048,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:06","startHours":6.159252487773268,"endHours":7.099079587732164,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:22","startHours":14.617696387403328,"endHours":15.369558067370445,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.17700478723891,"endHours":18.57700478723891,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:51","startHours":18.37700478723891,"endHours":18.84691833721836,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.12700478723891,"endHours":19.87700478723891,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:22","end":"01:07","startHours":24.36211134750198,"endHours":25.113973027469093,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:06","end":"08:31","startHours":7.099079587732164,"endHours":8.508820237670507,"quality":"inauspicious"},{"name":"Chala","start":"08:31","end":"09:55","startHours":8.508820237670507,"endHours":9.918560887608852,"quality":"neutral"},{"name":"Labha","start":"09:55","end":"11:20","startHours":9.918560887608852,"endHours":11.328301537547194,"quality":"auspicious"},{"name":"Amṛta","start":"11:20","end":"12:44","startHours":11.328301537547194,"endHours":12.738042187485537,"quality":"auspicious"},{"name":"Kāla","start":"12:44","end":"14:09","startHours":12.738042187485537,"endHours":14.14778283742388,"quality":"inauspicious"},{"name":"Śubha","start":"14:09","end":"15:33","startHours":14.14778283742388,"endHours":15.557523487362225,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"16:58","startHours":15.557523487362225,"endHours":16.967264137300567,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:23","startHours":16.967264137300567,"endHours":18.37700478723891,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:23","end":"19:58","startHours":18.37700478723891,"endHours":19.967264137300567,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:33","startHours":19.967264137300567,"endHours":21.557523487362225,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"23:09","startHours":21.557523487362225,"endHours":23.14778283742388,"quality":"inauspicious"},{"name":"Chala","start":"23:09","end":"00:44","startHours":23.14778283742388,"endHours":24.738042187485537,"quality":"neutral"},{"name":"Labha","start":"00:44","end":"02:20","startHours":24.738042187485537,"endHours":26.328301537547194,"quality":"auspicious"},{"name":"Amṛta","start":"02:20","end":"03:55","startHours":26.328301537547194,"endHours":27.918560887608848,"quality":"auspicious"},{"name":"Kāla","start":"03:55","end":"05:31","startHours":27.918560887608848,"endHours":29.508820237670506,"quality":"inauspicious"},{"name":"Śubha","start":"05:31","end":"07:06","startHours":29.508820237670506,"endHours":31.099079587732163,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.099079587732164,"endHours":8.099079587732163,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.099079587732163,"endHours":9.099079587732163,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.099079587732163,"endHours":10.099079587732163,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.099079587732163,"endHours":11.099079587732163,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.099079587732163,"endHours":12.099079587732163,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.099079587732163,"endHours":13.099079587732163,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.099079587732163,"endHours":14.099079587732163,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.099079587732163,"endHours":15.099079587732163,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.099079587732163,"endHours":16.099079587732163,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.099079587732163,"endHours":17.099079587732163,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.099079587732163,"endHours":18.099079587732163,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.099079587732163,"endHours":19.099079587732163,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.099079587732163,"endHours":20.099079587732163,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.099079587732163,"endHours":21.099079587732163,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.099079587732163,"endHours":22.099079587732163,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.099079587732163,"endHours":23.099079587732163,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.099079587732163,"endHours":24.099079587732163,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.099079587732163,"endHours":25.099079587732163,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.099079587732163,"endHours":26.099079587732163,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.099079587732163,"endHours":27.099079587732163,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.099079587732163,"endHours":28.099079587732163,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.099079587732163,"endHours":29.099079587732163,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.099079587732163,"endHours":30.099079587732163,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.099079587732163,"endHours":31.099079587732163,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.222816426506117,"eotMinutes":-11.255731249132124,"ayanamsa":22.6244}},"calendars":{"vikram_samvat":1969,"vikram_samvatsara":"Krodhana","saka_samvat":1834,"saka_samvatsara":"Paridhāvi","bengali_samvat":1319,"malayalam_era":1088,"nanakshahi_year":443,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 1969 Krodhana · Śaka 1834 Paridhāvi"},"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":[]},"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 January 21, 1912 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"January 21, 1912 CE for Kolhāpur, Maharashtra: Śukla Dvitīyā, sūryodaya 07:06, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1912-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1912-01-21","sa":"https://sa.vidhyamitra.com/city/kolhapur/1912-01-21","hi":"https://hi.vidhyamitra.com/city/kolhapur/1912-01-21","x-default":"https://vidhyamitra.com/city/kolhapur/1912-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:46:06.081Z","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":"2026-06-01T19:46:06.081Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:46:06.081Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}