{"id":"vidhyamitra:city-day:kolhapur:1975-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1975-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-02-13","date_display":"February 13, 1975 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":1975,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442456.770833,"kali_year":5076,"ahargana":1853991.2708,"sun":{"sidereal_longitude":300.3449,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":322.4875,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.1426,"elapsed_within_tithi_degrees":10.1426},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.4875,"elapsed_within_degrees":2.4875},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.8323},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1975,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442456.770833,"ahargana":1853991.2708,"kali_year":5076,"ayanamsa_lahiri":23.5054,"grahas":{"sun":{"sidereal_longitude":300.19864800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":319.903148,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":4.4764},"mars":{"sidereal_longitude":263.22174799999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":290.534848,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":328.62664799999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":324.01024800000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":79.370048,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":226.6204,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":46.6204,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1975,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442456.770833,"kali_year":5076,"ahargana":1853991.2708,"sun":{"sidereal_longitude":300.3449,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":322.4875,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.1426,"elapsed_within_tithi_degrees":10.1426},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.4875,"elapsed_within_degrees":2.4875},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.8323},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.476,"elongation":22.143},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.476,"opposition_distance":157.857}},"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":11.563674096684274,"dayLengthDisplay":"11 Hours 33 Mins 49 Secs","nightLengthDisplay":"12 Hours 26 Mins 11 Secs","moonriseLocal":"08:12","moonsetLocal":"20:01","rahuKala":{"name":"Rāhu Kāla","start":"14:14","end":"15:41","startHours":14.23923134976257,"endHours":15.684690611848104,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:27","startHours":7.011935039334898,"endHours":8.457394301420432,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:54","end":"11:21","startHours":9.902853563505968,"endHours":11.348312825591501,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:43","end":"10:06","startHours":9.710125661894562,"endHours":10.095581465117371,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:48","startHours":7.49375479336341,"endHours":7.802119435941657,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:11","startHours":12.408316284454225,"endHours":13.179227890899844,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:14","startHours":5.470111826443661,"endHours":6.24102343288928,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"07:01","startHours":6.0482955312778754,"endHours":7.011935039334898,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:30","startHours":14.72105110379108,"endHours":15.491962710236699,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.375609136019172,"endHours":18.77560913601917,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:03","startHours":18.57560913601917,"endHours":19.05742889004768,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.32560913601917,"endHours":20.07560913601917,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:11","startHours":24.408316284454227,"endHours":25.179227890899842,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:01","end":"08:27","startHours":7.011935039334898,"endHours":8.457394301420432,"quality":"auspicious"},{"name":"Roga","start":"08:27","end":"09:54","startHours":8.457394301420432,"endHours":9.902853563505968,"quality":"inauspicious"},{"name":"Udveg","start":"09:54","end":"11:21","startHours":9.902853563505968,"endHours":11.348312825591501,"quality":"inauspicious"},{"name":"Chala","start":"11:21","end":"12:48","startHours":11.348312825591501,"endHours":12.793772087677034,"quality":"neutral"},{"name":"Labha","start":"12:48","end":"14:14","startHours":12.793772087677034,"endHours":14.23923134976257,"quality":"auspicious"},{"name":"Amṛta","start":"14:14","end":"15:41","startHours":14.23923134976257,"endHours":15.684690611848104,"quality":"auspicious"},{"name":"Kāla","start":"15:41","end":"17:08","startHours":15.684690611848104,"endHours":17.130149873933636,"quality":"inauspicious"},{"name":"Śubha","start":"17:08","end":"18:35","startHours":17.130149873933636,"endHours":18.57560913601917,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:35","end":"20:08","startHours":18.57560913601917,"endHours":20.130149873933636,"quality":"auspicious"},{"name":"Kāla","start":"20:08","end":"21:41","startHours":20.130149873933636,"endHours":21.684690611848104,"quality":"inauspicious"},{"name":"Śubha","start":"21:41","end":"23:14","startHours":21.684690611848104,"endHours":23.23923134976257,"quality":"auspicious"},{"name":"Roga","start":"23:14","end":"00:48","startHours":23.23923134976257,"endHours":24.793772087677034,"quality":"inauspicious"},{"name":"Udveg","start":"00:48","end":"02:21","startHours":24.793772087677034,"endHours":26.3483128255915,"quality":"inauspicious"},{"name":"Chala","start":"02:21","end":"03:54","startHours":26.3483128255915,"endHours":27.902853563505964,"quality":"neutral"},{"name":"Labha","start":"03:54","end":"05:27","startHours":27.902853563505964,"endHours":29.457394301420432,"quality":"auspicious"},{"name":"Amṛta","start":"05:27","end":"07:01","startHours":29.457394301420432,"endHours":31.011935039334897,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.011935039334898,"endHours":8.011935039334897,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.011935039334897,"endHours":9.011935039334897,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.011935039334897,"endHours":10.011935039334897,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.011935039334897,"endHours":11.011935039334897,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.011935039334897,"endHours":12.011935039334897,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.011935039334897,"endHours":13.011935039334897,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.011935039334897,"endHours":14.011935039334897,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.011935039334897,"endHours":15.011935039334897,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.011935039334897,"endHours":16.011935039334897,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.011935039334897,"endHours":17.011935039334897,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.011935039334897,"endHours":18.011935039334897,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.011935039334897,"endHours":19.011935039334897,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.011935039334897,"endHours":20.011935039334897,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.011935039334897,"endHours":21.011935039334897,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.011935039334897,"endHours":22.011935039334897,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.011935039334897,"endHours":23.011935039334897,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.011935039334897,"endHours":24.011935039334897,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.011935039334897,"endHours":25.011935039334897,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.011935039334897,"endHours":26.011935039334897,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.011935039334897,"endHours":27.011935039334897,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.011935039334897,"endHours":28.011935039334897,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.011935039334897,"endHours":29.011935039334897,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.011935039334897,"endHours":30.011935039334897,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.011935039334897,"endHours":31.011935039334897,"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"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.617573138018392,"eotMinutes":-14.599525260622107,"ayanamsa":23.5054}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"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 February 13, 1975 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 13, 1975 CE for Kolhāpur, Maharashtra: Śukla Dvitīyā, sūryodaya 07:01, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1975-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1975-02-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1975-02-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1975-02-13","x-default":"https://vidhyamitra.com/city/kolhapur/1975-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:38:59.462Z","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":"2026-06-01T04:38:59.462Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:38:59.462Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}