{"id":"vidhyamitra:city-day:kolhapur:2081-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2081-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2081-09-13","date_display":"September 13, 2081 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2081,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481385.770833,"kali_year":5183,"ahargana":1892920.2708,"sun":{"sidereal_longitude":145.0457,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":266.8115,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7658,"elapsed_within_tithi_degrees":1.7658},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":266.8115,"elapsed_within_degrees":0.1448},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.8572},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2081,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2481385.770833,"ahargana":1892920.2708,"kali_year":5183,"ayanamsa_lahiri":24.9943,"grahas":{"sun":{"sidereal_longitude":145.96587399999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":270.12187400000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-3.7798},"mars":{"sidereal_longitude":134.635874,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":166.77887399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":327.532774,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":120.45847400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":296.462174,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":323.9747,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":143.9747,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2081,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481385.770833,"kali_year":5183,"ahargana":1892920.2708,"sun":{"sidereal_longitude":145.0457,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":266.8115,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":121.7658,"elapsed_within_tithi_degrees":1.7658},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":266.8115,"elapsed_within_degrees":0.1448},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.8572},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.78,"elongation":121.766},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.78,"opposition_distance":58.234}},"eclipse_window_40days":[{"offset_days":5,"type":"lunar","occurs":true,"moon_latitude":0.46,"opposition_distance":0.326}]},"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":"06:20","sunsetLocal":"18:36","solarNoonLocal":"12:28","dayLengthHours":12.259787788155444,"dayLengthDisplay":"12 Hours 15 Mins 35 Secs","nightLengthDisplay":"11 Hours 44 Mins 25 Secs","moonriseLocal":"15:09","moonsetLocal":"02:21","rahuKala":{"name":"Rāhu Kāla","start":"09:24","end":"10:56","startHours":9.406268537463372,"endHours":10.938742010982804,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:32","startHours":14.003688958021664,"endHours":15.536162431541095,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:20","end":"07:52","startHours":6.341321590424512,"endHours":7.873795063943942,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.201938740994116,"endHours":9.61059833393263,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:11","startHours":6.852146081597655,"endHours":7.179073755948467,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.062555891563719,"endHours":12.879875077440747,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.706683218670452,"endHours":5.524002404547482,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.319672608078225,"endHours":6.341321590424512,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:20","startHours":14.514513449194807,"endHours":15.331832635071835,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.401109378579957,"endHours":18.801109378579955,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.601109378579956,"endHours":19.1119338697531,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.351109378579956,"endHours":20.101109378579956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.062555891563715,"endHours":24.879875077440747,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:20","end":"07:52","startHours":6.341321590424512,"endHours":7.873795063943942,"quality":"inauspicious"},{"name":"Śubha","start":"07:52","end":"09:24","startHours":7.873795063943942,"endHours":9.406268537463372,"quality":"auspicious"},{"name":"Roga","start":"09:24","end":"10:56","startHours":9.406268537463372,"endHours":10.938742010982804,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:28","startHours":10.938742010982804,"endHours":12.471215484502235,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"14:00","startHours":12.471215484502235,"endHours":14.003688958021664,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:32","startHours":14.003688958021664,"endHours":15.536162431541095,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"17:04","startHours":15.536162431541095,"endHours":17.068635905060525,"quality":"auspicious"},{"name":"Kāla","start":"17:04","end":"18:36","startHours":17.068635905060525,"endHours":18.601109378579956,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:36","end":"20:04","startHours":18.601109378579956,"endHours":20.068635905060525,"quality":"auspicious"},{"name":"Amṛta","start":"20:04","end":"21:32","startHours":20.068635905060525,"endHours":21.536162431541094,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"23:00","startHours":21.536162431541094,"endHours":23.003688958021662,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:28","startHours":23.003688958021662,"endHours":24.471215484502235,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:56","startHours":24.471215484502235,"endHours":25.938742010982804,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:24","startHours":25.938742010982804,"endHours":27.406268537463372,"quality":"inauspicious"},{"name":"Chala","start":"03:24","end":"04:52","startHours":27.406268537463372,"endHours":28.873795063943945,"quality":"neutral"},{"name":"Labha","start":"04:52","end":"06:20","startHours":28.873795063943945,"endHours":30.341321590424513,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.341321590424512,"endHours":7.341321590424512,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.341321590424512,"endHours":8.341321590424512,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.341321590424512,"endHours":9.341321590424512,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.341321590424512,"endHours":10.341321590424512,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.341321590424512,"endHours":11.341321590424512,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.341321590424512,"endHours":12.341321590424512,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.341321590424512,"endHours":13.341321590424512,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.341321590424512,"endHours":14.341321590424512,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.341321590424512,"endHours":15.341321590424512,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.341321590424512,"endHours":16.341321590424513,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.341321590424513,"endHours":17.341321590424513,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.341321590424513,"endHours":18.341321590424513,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.341321590424513,"endHours":19.341321590424513,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.341321590424513,"endHours":20.341321590424513,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.341321590424513,"endHours":21.341321590424513,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.341321590424513,"endHours":22.341321590424513,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.341321590424513,"endHours":23.341321590424513,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.341321590424513,"endHours":24.341321590424513,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.341321590424513,"endHours":25.341321590424513,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.341321590424513,"endHours":26.341321590424513,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.341321590424513,"endHours":27.341321590424513,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.341321590424513,"endHours":28.341321590424513,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.341321590424513,"endHours":29.341321590424513,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.341321590424513,"endHours":30.341321590424513,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.5828686237643743,"eotMinutes":4.753870929866006,"ayanamsa":24.9943}},"calendars":{"vikram_samvat":2138,"vikram_samvatsara":"Ānanda","saka_samvat":2003,"saka_samvatsara":"Plava","bengali_samvat":1488,"malayalam_era":1257,"nanakshahi_year":612,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ekādaśī · Vikram 2138 Ānanda · Śaka 2003 Plava"},"festivals":[{"id":"parsva-ekadashi","name":"Pārśva (Parivartinī) Ekādaśī","name_sanskrit":"पार्श्व एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (turning side in yoga-nidrā)","significance":"Viṣṇu turns from one side to another in yoga-nidrā (mid-Cāturmāsya).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Dedicated festival walk for Pārśva (Parivartinī) Ekādaśī · Ekādaśī is not live yet; Śanivāra (Saturday) — 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 September 13, 2081 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 13, 2081 CE for Kolhāpur, Maharashtra: Śukla Ekādaśī, sūryodaya 06:20, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2081-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2081-09-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/2081-09-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/2081-09-13","x-default":"https://vidhyamitra.com/city/kolhapur/2081-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T06:26:33.846Z","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":"2026-09-06T06:26:33.846Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T06:26:33.846Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}