{"id":"vidhyamitra:city-day:kolhapur:1931-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1931-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1931-10-12","date_display":"October 12, 1931 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":1931,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426626.770833,"kali_year":5033,"ahargana":1838161.2708,"sun":{"sidereal_longitude":174.2772,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":181.2253,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.9481,"elapsed_within_tithi_degrees":6.9481},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.2253,"elapsed_within_degrees":7.8919},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.5025},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1931,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2426626.770833,"ahargana":1838161.2708,"kali_year":5033,"ayanamsa_lahiri":22.9,"grahas":{"sun":{"sidereal_longitude":174.85096999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":181.88216999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-1.2283},"mars":{"sidereal_longitude":204.93616999999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":170.88517000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":115.25427000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":184.80947000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":264.50967,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":345.37,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.37,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":1931,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2426626.770833,"kali_year":5033,"ahargana":1838161.2708,"sun":{"sidereal_longitude":174.2772,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":181.2253,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.9481,"elapsed_within_tithi_degrees":6.9481},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.2253,"elapsed_within_degrees":7.8919},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.5025},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.228,"elongation":6.948},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.228,"opposition_distance":173.052}},"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":"06:24","sunsetLocal":"18:14","solarNoonLocal":"12:19","dayLengthHours":11.83672842878477,"dayLengthDisplay":"11 Hours 50 Mins 12 Secs","nightLengthDisplay":"12 Hours 09 Mins 48 Secs","moonriseLocal":"06:56","moonsetLocal":"18:38","rahuKala":{"name":"Rāhu Kāla","start":"07:52","end":"09:21","startHours":7.874682391052712,"endHours":9.354273444650808,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:50","end":"12:19","startHours":10.833864498248904,"endHours":12.313455551847,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:48","end":"15:16","startHours":13.793046605445095,"endHours":15.272637659043195,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:33","startHours":9.156994637504395,"endHours":9.55155225179722,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:12","startHours":6.888288355320647,"endHours":7.203934446754907,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:42","startHours":11.918897937554176,"endHours":12.708013166139827,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:36","startHours":4.816860880283313,"endHours":5.605976108868964,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:24","startHours":5.408697301722551,"endHours":6.395091337454615,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:05","startHours":14.28624362331113,"endHours":15.07535885189678,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.031819766239387,"endHours":18.431819766239386,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:44","startHours":18.231819766239386,"endHours":18.725016784105417,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.981819766239386,"endHours":19.731819766239386,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:42","startHours":23.918897937554174,"endHours":24.708013166139825,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:24","end":"07:52","startHours":6.395091337454615,"endHours":7.874682391052712,"quality":"auspicious"},{"name":"Kāla","start":"07:52","end":"09:21","startHours":7.874682391052712,"endHours":9.354273444650808,"quality":"inauspicious"},{"name":"Śubha","start":"09:21","end":"10:50","startHours":9.354273444650808,"endHours":10.833864498248904,"quality":"auspicious"},{"name":"Roga","start":"10:50","end":"12:19","startHours":10.833864498248904,"endHours":12.313455551847,"quality":"inauspicious"},{"name":"Udveg","start":"12:19","end":"13:48","startHours":12.313455551847,"endHours":13.793046605445095,"quality":"inauspicious"},{"name":"Chala","start":"13:48","end":"15:16","startHours":13.793046605445095,"endHours":15.272637659043195,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:45","startHours":15.272637659043195,"endHours":16.75222871264129,"quality":"auspicious"},{"name":"Amṛta","start":"16:45","end":"18:14","startHours":16.75222871264129,"endHours":18.231819766239386,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:14","end":"19:45","startHours":18.231819766239386,"endHours":19.75222871264129,"quality":"neutral"},{"name":"Labha","start":"19:45","end":"21:16","startHours":19.75222871264129,"endHours":21.272637659043195,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:48","startHours":21.272637659043195,"endHours":22.7930466054451,"quality":"auspicious"},{"name":"Kāla","start":"22:48","end":"00:19","startHours":22.7930466054451,"endHours":24.313455551847,"quality":"inauspicious"},{"name":"Śubha","start":"00:19","end":"01:50","startHours":24.313455551847,"endHours":25.833864498248907,"quality":"auspicious"},{"name":"Roga","start":"01:50","end":"03:21","startHours":25.833864498248907,"endHours":27.354273444650808,"quality":"inauspicious"},{"name":"Udveg","start":"03:21","end":"04:52","startHours":27.354273444650808,"endHours":28.874682391052712,"quality":"inauspicious"},{"name":"Chala","start":"04:52","end":"06:24","startHours":28.874682391052712,"endHours":30.395091337454616,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.395091337454615,"endHours":7.395091337454615,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.395091337454615,"endHours":8.395091337454616,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.395091337454616,"endHours":9.395091337454616,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.395091337454616,"endHours":10.395091337454616,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.395091337454616,"endHours":11.395091337454616,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.395091337454616,"endHours":12.395091337454616,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.395091337454616,"endHours":13.395091337454616,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.395091337454616,"endHours":14.395091337454616,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.395091337454616,"endHours":15.395091337454616,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.395091337454616,"endHours":16.395091337454616,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.395091337454616,"endHours":17.395091337454616,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.395091337454616,"endHours":18.395091337454616,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.395091337454616,"endHours":19.395091337454616,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.395091337454616,"endHours":20.395091337454616,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.395091337454616,"endHours":21.395091337454616,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.395091337454616,"endHours":22.395091337454616,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.395091337454616,"endHours":23.395091337454616,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.395091337454616,"endHours":24.395091337454616,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.395091337454616,"endHours":25.395091337454616,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.395091337454616,"endHours":26.395091337454616,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.395091337454616,"endHours":27.395091337454616,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.395091337454616,"endHours":28.395091337454616,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.395091337454616,"endHours":29.395091337454616,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.395091337454616,"endHours":30.395091337454616,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.96487486735625,"eotMinutes":14.219466889179907,"ayanamsa":22.9}},"calendars":{"vikram_samvat":1988,"vikram_samvatsara":"Tāraṇa","saka_samvat":1853,"saka_samvatsara":"Prajāpati","bengali_samvat":1338,"malayalam_era":1107,"nanakshahi_year":462,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 1988 Tāraṇa · Śaka 1853 Prajāpati"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 October 12, 1931 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"October 12, 1931 CE for Kolhāpur, Maharashtra: Śukla Pratipada, sūryodaya 06:24, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1931-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1931-10-12","sa":"https://sa.vidhyamitra.com/city/kolhapur/1931-10-12","hi":"https://hi.vidhyamitra.com/city/kolhapur/1931-10-12","x-default":"https://vidhyamitra.com/city/kolhapur/1931-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:25:55.398Z","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":"2026-06-01T19:25:55.398Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:25:55.398Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}