{"id":"vidhyamitra:city-day:kolhapur:2011-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2011-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-02-13","date_display":"February 13, 2011 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":2011,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455605.770833,"kali_year":5112,"ahargana":1867140.2708,"sun":{"sidereal_longitude":300.0245,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":52.6713,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.6468,"elapsed_within_tithi_degrees":4.6468},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.6713,"elapsed_within_degrees":12.6713},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.6958},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2011,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455605.770833,"ahargana":1867140.2708,"kali_year":5112,"ayanamsa_lahiri":24.0083,"grahas":{"sun":{"sidereal_longitude":299.963659,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":50.084258999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":1.3333},"mars":{"sidereal_longitude":297.942859,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":290.5693590000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":340.246159,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":255.85985900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":172.69525899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":249.9231,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":69.9231,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2011,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455605.770833,"kali_year":5112,"ahargana":1867140.2708,"sun":{"sidereal_longitude":300.0245,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":52.6713,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.6468,"elapsed_within_tithi_degrees":4.6468},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":52.6713,"elapsed_within_degrees":12.6713},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.6958},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.333,"elongation":112.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.333,"opposition_distance":67.353}},"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":"07:01","sunsetLocal":"18:35","solarNoonLocal":"12:48","dayLengthHours":11.56738334921218,"dayLengthDisplay":"11 Hours 34 Mins 03 Secs","nightLengthDisplay":"12 Hours 25 Mins 57 Secs","moonriseLocal":"13:37","moonsetLocal":"02:39","rahuKala":{"name":"Rāhu Kāla","start":"17:08","end":"18:35","startHours":17.1315408436316,"endHours":18.577463762283124,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:48","end":"14:14","startHours":12.793772087677034,"endHours":14.239695006328557,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:08","startHours":15.685617924980079,"endHours":17.1315408436316,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:43","end":"10:06","startHours":9.709136527887118,"endHours":10.094715972860858,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:48","startHours":7.4920547192881175,"endHours":7.800518275267109,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:11","startHours":12.408192642703295,"endHours":13.179351532650774,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:14","startHours":5.467762633175986,"endHours":6.238921523123464,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"07:01","startHours":6.046131800636594,"endHours":7.010080413070943,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:30","startHours":14.72166931254573,"endHours":15.49282820249321,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.377463762283124,"endHours":18.777463762283123,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:04","startHours":18.577463762283124,"endHours":19.0594380685003,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.327463762283124,"endHours":20.077463762283124,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:11","startHours":24.408192642703295,"endHours":25.179351532650774,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:01","end":"08:27","startHours":7.010080413070943,"endHours":8.456003331722465,"quality":"inauspicious"},{"name":"Chala","start":"08:27","end":"09:54","startHours":8.456003331722465,"endHours":9.901926250373988,"quality":"neutral"},{"name":"Labha","start":"09:54","end":"11:21","startHours":9.901926250373988,"endHours":11.347849169025512,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:48","startHours":11.347849169025512,"endHours":12.793772087677034,"quality":"auspicious"},{"name":"Kāla","start":"12:48","end":"14:14","startHours":12.793772087677034,"endHours":14.239695006328557,"quality":"inauspicious"},{"name":"Śubha","start":"14:14","end":"15:41","startHours":14.239695006328557,"endHours":15.685617924980079,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:08","startHours":15.685617924980079,"endHours":17.1315408436316,"quality":"inauspicious"},{"name":"Udveg","start":"17:08","end":"18:35","startHours":17.1315408436316,"endHours":18.577463762283124,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"20:08","startHours":18.577463762283124,"endHours":20.1315408436316,"quality":"auspicious"},{"name":"Roga","start":"20:08","end":"21:41","startHours":20.1315408436316,"endHours":21.68561792498008,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"23:14","startHours":21.68561792498008,"endHours":23.239695006328557,"quality":"inauspicious"},{"name":"Chala","start":"23:14","end":"00:48","startHours":23.239695006328557,"endHours":24.793772087677034,"quality":"neutral"},{"name":"Labha","start":"00:48","end":"02:21","startHours":24.793772087677034,"endHours":26.347849169025512,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"03:54","startHours":26.347849169025512,"endHours":27.90192625037399,"quality":"auspicious"},{"name":"Kāla","start":"03:54","end":"05:27","startHours":27.90192625037399,"endHours":29.456003331722464,"quality":"inauspicious"},{"name":"Śubha","start":"05:27","end":"07:01","startHours":29.456003331722464,"endHours":31.010080413070945,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.010080413070943,"endHours":8.010080413070943,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.010080413070943,"endHours":9.010080413070943,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.010080413070943,"endHours":10.010080413070943,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.010080413070943,"endHours":11.010080413070943,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.010080413070943,"endHours":12.010080413070943,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.010080413070943,"endHours":13.010080413070943,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.010080413070943,"endHours":14.010080413070943,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.010080413070943,"endHours":15.010080413070943,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.010080413070943,"endHours":16.010080413070945,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.010080413070945,"endHours":17.010080413070945,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.010080413070945,"endHours":18.010080413070945,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.010080413070945,"endHours":19.010080413070945,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.010080413070945,"endHours":20.010080413070945,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.010080413070945,"endHours":21.010080413070945,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.010080413070945,"endHours":22.010080413070945,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.010080413070945,"endHours":23.010080413070945,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.010080413070945,"endHours":24.010080413070945,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.010080413070945,"endHours":25.010080413070945,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.010080413070945,"endHours":26.010080413070945,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.010080413070945,"endHours":27.010080413070945,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.010080413070945,"endHours":28.010080413070945,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.010080413070945,"endHours":29.010080413070945,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.010080413070945,"endHours":30.010080413070945,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.010080413070945,"endHours":31.010080413070945,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.529072504476487,"eotMinutes":-14.599525260622107,"ayanamsa":24.0083}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Daśamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 February 13, 2011 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 13, 2011 CE for Kolhāpur, Maharashtra: Śukla Daśamī, sūryodaya 07:01, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2011-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2011-02-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/2011-02-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/2011-02-13","x-default":"https://vidhyamitra.com/city/kolhapur/2011-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T06:04:28.756Z","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":"2026-05-16T06:04:28.756Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T06:04:28.756Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}