{"id":"vidhyamitra:city-day:kolhapur:2030-09-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2030-09-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-09-12","date_display":"September 12, 2030 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":2030,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462756.770833,"kali_year":5132,"ahargana":1874291.2708,"sun":{"sidereal_longitude":144.2661,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":328.0362,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.7701,"elapsed_within_tithi_degrees":3.7701},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.0362,"elapsed_within_degrees":8.0362},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3024},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2030,"month":9,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462756.770833,"ahargana":1874291.2708,"kali_year":5132,"ayanamsa_lahiri":24.2818,"grahas":{"sun":{"sidereal_longitude":145.05973799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":326.919838,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":4.4663},"mars":{"sidereal_longitude":112.55293799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":127.463638,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":208.366538,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":134.502338,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":44.47263800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":231.0287,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.0287,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2030,"month":9,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462756.770833,"kali_year":5132,"ahargana":1874291.2708,"sun":{"sidereal_longitude":144.2661,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":328.0362,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":183.7701,"elapsed_within_tithi_degrees":3.7701},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.0362,"elapsed_within_degrees":8.0362},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3024},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.466,"elongation":176.23},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.466,"opposition_distance":3.77}},"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":"06:20","sunsetLocal":"18:37","solarNoonLocal":"12:29","dayLengthHours":12.285449925972856,"dayLengthDisplay":"12 Hours 17 Mins 08 Secs","nightLengthDisplay":"11 Hours 42 Mins 52 Secs","moonriseLocal":"18:38","moonsetLocal":"06:34","rahuKala":{"name":"Rāhu Kāla","start":"14:01","end":"15:33","startHours":14.013069314946847,"endHours":15.548750555693456,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:20","end":"07:52","startHours":6.334663111213813,"endHours":7.87034435196042,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:24","end":"10:57","startHours":9.406025592707028,"endHours":10.941706833453633,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:37","startHours":9.201268093940813,"endHours":9.610783091473241,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.8465568581293486,"endHours":7.174168856155291,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:04","end":"12:53","startHours":12.067873076667814,"endHours":12.88690307173267,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:31","startHours":4.696603121084099,"endHours":5.5156331161489565,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:20","startHours":5.310875617382742,"endHours":6.334663111213813,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:21","startHours":14.524963061862383,"endHours":15.343993056927241,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.42011303718667,"endHours":18.82011303718667,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:08","startHours":18.62011303718667,"endHours":19.132006784102206,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.37011303718667,"endHours":20.12011303718667,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:04","end":"00:53","startHours":24.067873076667812,"endHours":24.88690307173267,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:20","end":"07:52","startHours":6.334663111213813,"endHours":7.87034435196042,"quality":"auspicious"},{"name":"Roga","start":"07:52","end":"09:24","startHours":7.87034435196042,"endHours":9.406025592707028,"quality":"inauspicious"},{"name":"Udveg","start":"09:24","end":"10:57","startHours":9.406025592707028,"endHours":10.941706833453633,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:29","startHours":10.941706833453633,"endHours":12.477388074200242,"quality":"neutral"},{"name":"Labha","start":"12:29","end":"14:01","startHours":12.477388074200242,"endHours":14.013069314946847,"quality":"auspicious"},{"name":"Amṛta","start":"14:01","end":"15:33","startHours":14.013069314946847,"endHours":15.548750555693456,"quality":"auspicious"},{"name":"Kāla","start":"15:33","end":"17:05","startHours":15.548750555693456,"endHours":17.08443179644006,"quality":"inauspicious"},{"name":"Śubha","start":"17:05","end":"18:37","startHours":17.08443179644006,"endHours":18.62011303718667,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:37","end":"20:05","startHours":18.62011303718667,"endHours":20.084431796440064,"quality":"auspicious"},{"name":"Kāla","start":"20:05","end":"21:33","startHours":20.084431796440064,"endHours":21.548750555693456,"quality":"inauspicious"},{"name":"Śubha","start":"21:33","end":"23:01","startHours":21.548750555693456,"endHours":23.013069314946847,"quality":"auspicious"},{"name":"Roga","start":"23:01","end":"00:29","startHours":23.013069314946847,"endHours":24.477388074200242,"quality":"inauspicious"},{"name":"Udveg","start":"00:29","end":"01:57","startHours":24.477388074200242,"endHours":25.941706833453637,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:24","startHours":25.941706833453637,"endHours":27.406025592707028,"quality":"neutral"},{"name":"Labha","start":"03:24","end":"04:52","startHours":27.406025592707028,"endHours":28.87034435196042,"quality":"auspicious"},{"name":"Amṛta","start":"04:52","end":"06:20","startHours":28.87034435196042,"endHours":30.334663111213814,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.334663111213813,"endHours":7.334663111213813,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.334663111213813,"endHours":8.334663111213814,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.334663111213814,"endHours":9.334663111213814,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.334663111213814,"endHours":10.334663111213814,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.334663111213814,"endHours":11.334663111213814,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.334663111213814,"endHours":12.334663111213814,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.334663111213814,"endHours":13.334663111213814,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.334663111213814,"endHours":14.334663111213814,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.334663111213814,"endHours":15.334663111213814,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.334663111213814,"endHours":16.334663111213814,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.334663111213814,"endHours":17.334663111213814,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.334663111213814,"endHours":18.334663111213814,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.334663111213814,"endHours":19.334663111213814,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.334663111213814,"endHours":20.334663111213814,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.334663111213814,"endHours":21.334663111213814,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.334663111213814,"endHours":22.334663111213814,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.334663111213814,"endHours":23.334663111213814,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.334663111213814,"endHours":24.334663111213814,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.334663111213814,"endHours":25.334663111213814,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.334663111213814,"endHours":26.334663111213814,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.334663111213814,"endHours":27.334663111213814,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.334663111213814,"endHours":28.334663111213814,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.334663111213814,"endHours":29.334663111213814,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.334663111213814,"endHours":30.334663111213814,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.218619263884734,"eotMinutes":4.383515547985428,"ayanamsa":24.2818}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 12, 2030 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 12, 2030 CE for Kolhāpur, Maharashtra: Kṛṣṇa Pratipada, sūryodaya 06:20, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2030-09-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2030-09-12","sa":"https://sa.vidhyamitra.com/city/kolhapur/2030-09-12","hi":"https://hi.vidhyamitra.com/city/kolhapur/2030-09-12","x-default":"https://vidhyamitra.com/city/kolhapur/2030-09-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:58:10.872Z","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":"2026-05-15T07:58:10.872Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:58:10.872Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}