{"id":"vidhyamitra:city-day:kolhapur:1877-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1877-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1877-01-21","date_display":"January 21, 1877 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":1877,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406640.770833,"kali_year":4978,"ahargana":1818175.2708,"sun":{"sidereal_longitude":279.2717,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.3058,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.0341,"elapsed_within_tithi_degrees":3.0341},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.3058,"elapsed_within_degrees":7.6391},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.5775},"karana":{"half_tithi_index":12,"name":"Gara"},"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":1877,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406640.770833,"ahargana":1818175.2708,"kali_year":4978,"ayanamsa_lahiri":22.1356,"grahas":{"sun":{"sidereal_longitude":279.03198199999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":349.996582,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":2.247},"mars":{"sidereal_longitude":223.717082,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":292.693482,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":242.6680819999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":254.600682,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":314.988882,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":324.3245,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":144.3245,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1877,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406640.770833,"kali_year":4978,"ahargana":1818175.2708,"sun":{"sidereal_longitude":279.2717,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.3058,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.0341,"elapsed_within_tithi_degrees":3.0341},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.3058,"elapsed_within_degrees":7.6391},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.5775},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.247,"elongation":75.034},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.247,"opposition_distance":104.966}},"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":11.292529365737991,"dayLengthDisplay":"11 Hours 17 Mins 33 Secs","nightLengthDisplay":"12 Hours 42 Mins 27 Secs","moonriseLocal":"11:20","moonsetLocal":"23:36","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:23","startHours":16.97274069963728,"endHours":18.384306870354532,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:44","end":"14:09","startHours":12.738042187485537,"endHours":14.149608358202784,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:34","end":"16:58","startHours":15.561174528920034,"endHours":16.97274069963728,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:06","startHours":9.726701023288738,"endHours":10.103118668813337,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:34","end":"07:52","startHours":7.562299561522289,"endHours":7.863433677941969,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:22","end":"13:07","startHours":12.361624541960937,"endHours":13.114459833010136,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:20","startHours":5.586106922518141,"endHours":6.338942213567341,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:06","startHours":6.150733390805041,"endHours":7.09177750461654,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:22","startHours":14.620130415108534,"endHours":15.372965706157734,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.184306870354533,"endHours":18.58430687035453,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:51","startHours":18.384306870354532,"endHours":18.854828927260282,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.134306870354532,"endHours":19.884306870354532,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:22","end":"01:07","startHours":24.361624541960936,"endHours":25.114459833010137,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:06","end":"08:30","startHours":7.09177750461654,"endHours":8.503343675333788,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:55","startHours":8.503343675333788,"endHours":9.914909846051039,"quality":"neutral"},{"name":"Labha","start":"09:55","end":"11:20","startHours":9.914909846051039,"endHours":11.326476016768286,"quality":"auspicious"},{"name":"Amṛta","start":"11:20","end":"12:44","startHours":11.326476016768286,"endHours":12.738042187485537,"quality":"auspicious"},{"name":"Kāla","start":"12:44","end":"14:09","startHours":12.738042187485537,"endHours":14.149608358202784,"quality":"inauspicious"},{"name":"Śubha","start":"14:09","end":"15:34","startHours":14.149608358202784,"endHours":15.561174528920034,"quality":"auspicious"},{"name":"Roga","start":"15:34","end":"16:58","startHours":15.561174528920034,"endHours":16.97274069963728,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:23","startHours":16.97274069963728,"endHours":18.384306870354532,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:23","end":"19:58","startHours":18.384306870354532,"endHours":19.972740699637285,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:34","startHours":19.972740699637285,"endHours":21.561174528920034,"quality":"inauspicious"},{"name":"Udveg","start":"21:34","end":"23:09","startHours":21.561174528920034,"endHours":23.149608358202784,"quality":"inauspicious"},{"name":"Chala","start":"23:09","end":"00:44","startHours":23.149608358202784,"endHours":24.738042187485537,"quality":"neutral"},{"name":"Labha","start":"00:44","end":"02:20","startHours":24.738042187485537,"endHours":26.32647601676829,"quality":"auspicious"},{"name":"Amṛta","start":"02:20","end":"03:55","startHours":26.32647601676829,"endHours":27.91490984605104,"quality":"auspicious"},{"name":"Kāla","start":"03:55","end":"05:30","startHours":27.91490984605104,"endHours":29.503343675333788,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:06","startHours":29.503343675333788,"endHours":31.09177750461654,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.09177750461654,"endHours":8.091777504616541,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.091777504616541,"endHours":9.091777504616541,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.091777504616541,"endHours":10.091777504616541,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.091777504616541,"endHours":11.091777504616541,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.091777504616541,"endHours":12.091777504616541,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.091777504616541,"endHours":13.091777504616541,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.091777504616541,"endHours":14.091777504616541,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.091777504616541,"endHours":15.091777504616541,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.091777504616541,"endHours":16.09177750461654,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09177750461654,"endHours":17.09177750461654,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09177750461654,"endHours":18.09177750461654,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09177750461654,"endHours":19.09177750461654,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09177750461654,"endHours":20.09177750461654,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09177750461654,"endHours":21.09177750461654,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09177750461654,"endHours":22.09177750461654,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09177750461654,"endHours":23.09177750461654,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09177750461654,"endHours":24.09177750461654,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09177750461654,"endHours":25.09177750461654,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09177750461654,"endHours":26.09177750461654,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09177750461654,"endHours":27.09177750461654,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09177750461654,"endHours":28.09177750461654,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09177750461654,"endHours":29.09177750461654,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09177750461654,"endHours":30.09177750461654,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09177750461654,"endHours":31.09177750461654,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.8965330690073,"eotMinutes":-11.255731249132124,"ayanamsa":22.1356}},"calendars":{"vikram_samvat":1934,"vikram_samvatsara":"Vikṛti","saka_samvat":1799,"saka_samvatsara":"Īśvara","bengali_samvat":1284,"malayalam_era":1053,"nanakshahi_year":408,"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 Saptamī · Vikram 1934 Vikṛti · Śaka 1799 Īśvara"},"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, 1877 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"January 21, 1877 CE for Kolhāpur, Maharashtra: Śukla Saptamī, sūryodaya 07:06, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1877-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1877-01-21","sa":"https://sa.vidhyamitra.com/city/kolhapur/1877-01-21","hi":"https://hi.vidhyamitra.com/city/kolhapur/1877-01-21","x-default":"https://vidhyamitra.com/city/kolhapur/1877-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:03:10.786Z","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":"2026-05-31T18:03:10.786Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:03:10.786Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}