{"id":"vidhyamitra:city-day:kolhapur:2009-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2009-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-02-01","date_display":"February 1, 2009 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":2009,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454863.770833,"kali_year":5110,"ahargana":1866398.2708,"sun":{"sidereal_longitude":288.3223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.9972,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.6749,"elapsed_within_tithi_degrees":8.6749},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9972,"elapsed_within_degrees":10.3305},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3195},"karana":{"half_tithi_index":11,"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":2009,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454863.770833,"ahargana":1866398.2708,"kali_year":5110,"ayanamsa_lahiri":23.9799,"grahas":{"sun":{"sidereal_longitude":288.32580899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":354.221609,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":4.1646},"mars":{"sidereal_longitude":273.111809,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":267.550109,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":282.70400900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":334.12700900000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":146.71880900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":289.2379,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":109.2379,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2009,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454863.770833,"kali_year":5110,"ahargana":1866398.2708,"sun":{"sidereal_longitude":288.3223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.9972,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.6749,"elapsed_within_tithi_degrees":8.6749},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9972,"elapsed_within_degrees":10.3305},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3195},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.165,"elongation":68.675},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.165,"opposition_distance":111.325}},"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":"07:04","sunsetLocal":"18:29","solarNoonLocal":"12:47","dayLengthHours":11.415151638621298,"dayLengthDisplay":"11 Hours 24 Mins 55 Secs","nightLengthDisplay":"12 Hours 35 Mins 05 Secs","moonriseLocal":"10:59","moonsetLocal":"23:21","rahuKala":{"name":"Rāhu Kāla","start":"17:04","end":"18:29","startHours":17.05928433310625,"endHours":18.48617828793391,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:47","end":"14:12","startHours":12.778602468623262,"endHours":14.205496423450924,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:38","end":"17:04","startHours":15.632390378278586,"endHours":17.05928433310625,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:07","startHours":9.734562031657582,"endHours":10.115067086278291,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.5466579675885,"endHours":7.851062011285068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:10","startHours":12.398097414002551,"endHours":13.15910752324397,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:33","end":"06:19","startHours":5.549006430829772,"endHours":6.310016540071192,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:04","startHours":6.119764012760838,"endHours":7.071026649312612,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:27","startHours":14.681127741726812,"endHours":15.442137850968232,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.28617828793391,"endHours":18.68617828793391,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"18:58","startHours":18.48617828793391,"endHours":18.961809606209798,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.23617828793391,"endHours":19.98617828793391,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:10","startHours":24.398097414002553,"endHours":25.15910752324397,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:04","end":"08:30","startHours":7.071026649312612,"endHours":8.497920604140274,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:55","startHours":8.497920604140274,"endHours":9.924814558967936,"quality":"neutral"},{"name":"Labha","start":"09:55","end":"11:21","startHours":9.924814558967936,"endHours":11.3517085137956,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:47","startHours":11.3517085137956,"endHours":12.778602468623262,"quality":"auspicious"},{"name":"Kāla","start":"12:47","end":"14:12","startHours":12.778602468623262,"endHours":14.205496423450924,"quality":"inauspicious"},{"name":"Śubha","start":"14:12","end":"15:38","startHours":14.205496423450924,"endHours":15.632390378278586,"quality":"auspicious"},{"name":"Roga","start":"15:38","end":"17:04","startHours":15.632390378278586,"endHours":17.05928433310625,"quality":"inauspicious"},{"name":"Udveg","start":"17:04","end":"18:29","startHours":17.05928433310625,"endHours":18.48617828793391,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:29","end":"20:04","startHours":18.48617828793391,"endHours":20.05928433310625,"quality":"auspicious"},{"name":"Roga","start":"20:04","end":"21:38","startHours":20.05928433310625,"endHours":21.632390378278586,"quality":"inauspicious"},{"name":"Udveg","start":"21:38","end":"23:12","startHours":21.632390378278586,"endHours":23.205496423450924,"quality":"inauspicious"},{"name":"Chala","start":"23:12","end":"00:47","startHours":23.205496423450924,"endHours":24.778602468623262,"quality":"neutral"},{"name":"Labha","start":"00:47","end":"02:21","startHours":24.778602468623262,"endHours":26.3517085137956,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"03:55","startHours":26.3517085137956,"endHours":27.924814558967938,"quality":"auspicious"},{"name":"Kāla","start":"03:55","end":"05:30","startHours":27.924814558967938,"endHours":29.497920604140276,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:04","startHours":29.497920604140276,"endHours":31.071026649312614,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.071026649312612,"endHours":8.071026649312612,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.071026649312612,"endHours":9.071026649312612,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.071026649312612,"endHours":10.071026649312612,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.071026649312612,"endHours":11.071026649312612,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.071026649312612,"endHours":12.071026649312612,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.071026649312612,"endHours":13.071026649312612,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.071026649312612,"endHours":14.071026649312612,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.071026649312612,"endHours":15.071026649312612,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.071026649312612,"endHours":16.071026649312614,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.071026649312614,"endHours":17.071026649312614,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.071026649312614,"endHours":18.071026649312614,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.071026649312614,"endHours":19.071026649312614,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.071026649312614,"endHours":20.071026649312614,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.071026649312614,"endHours":21.071026649312614,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.071026649312614,"endHours":22.071026649312614,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.071026649312614,"endHours":23.071026649312614,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.071026649312614,"endHours":24.071026649312614,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.071026649312614,"endHours":25.071026649312614,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.071026649312614,"endHours":26.071026649312614,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.071026649312614,"endHours":27.071026649312614,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.071026649312614,"endHours":28.071026649312614,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.071026649312614,"endHours":29.071026649312614,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.071026649312614,"endHours":30.071026649312614,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.071026649312614,"endHours":31.071026649312614,"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"},"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":-17.10649208258282,"eotMinutes":-13.689348117395623,"ayanamsa":23.9799}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"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":[]},"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 1, 2009 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 1, 2009 CE for Kolhāpur, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 07:04, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2009-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2009-02-01","sa":"https://sa.vidhyamitra.com/city/kolhapur/2009-02-01","hi":"https://hi.vidhyamitra.com/city/kolhapur/2009-02-01","x-default":"https://vidhyamitra.com/city/kolhapur/2009-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T01:14:23.359Z","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":"2026-05-16T01:14:23.359Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T01:14:23.359Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}