{"id":"vidhyamitra:city-day:kolhapur:1971-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1971-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-02-07","date_display":"February 7, 1971 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":1971,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440989.770833,"kali_year":5072,"ahargana":1852524.2708,"sun":{"sidereal_longitude":294.2744,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.5263,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.2519,"elapsed_within_tithi_degrees":10.2519},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.5263,"elapsed_within_degrees":9.8596},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.8007},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1971,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440989.770833,"ahargana":1852524.2708,"kali_year":5072,"ayanamsa_lahiri":23.4493,"grahas":{"sun":{"sidereal_longitude":294.152298,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":77.493898,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":3.3333},"mars":{"sidereal_longitude":226.324698,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":275.763598,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":220.85589800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":248.451998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":23.05409800000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":304.3492,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.3492,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1971,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440989.770833,"kali_year":5072,"ahargana":1852524.2708,"sun":{"sidereal_longitude":294.2744,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.5263,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.2519,"elapsed_within_tithi_degrees":10.2519},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.5263,"elapsed_within_degrees":9.8596},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.8007},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.333,"elongation":142.252},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.333,"opposition_distance":37.748}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.69,"opposition_distance":1.965}]},"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":"07:03","sunsetLocal":"18:32","solarNoonLocal":"12:47","dayLengthHours":11.481731968713696,"dayLengthDisplay":"11 Hours 28 Mins 54 Secs","nightLengthDisplay":"12 Hours 31 Mins 06 Secs","moonriseLocal":"15:49","moonsetLocal":"04:53","rahuKala":{"name":"Rāhu Kāla","start":"17:06","end":"18:32","startHours":17.09572369675708,"endHours":18.53094019284629,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:47","end":"14:14","startHours":12.790074208489443,"endHours":14.225290704578654,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:40","end":"17:06","startHours":15.660507200667867,"endHours":17.09572369675708,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:07","startHours":9.728279016832458,"endHours":10.11100341578958,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:50","startHours":7.527613722828999,"endHours":7.833793241994697,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:10","startHours":12.40734980953232,"endHours":13.172798607446566,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:17","startHours":5.518310628304103,"endHours":6.283759426218349,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"07:03","startHours":6.092397226739787,"endHours":7.049208224132595,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:28","startHours":14.703696203275058,"endHours":15.469145001189304,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.330940192846292,"endHours":18.73094019284629,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:01","startHours":18.53094019284629,"endHours":19.009345691542695,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.28094019284629,"endHours":20.03094019284629,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:10","startHours":24.40734980953232,"endHours":25.172798607446566,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:03","end":"08:29","startHours":7.049208224132595,"endHours":8.484424720221806,"quality":"inauspicious"},{"name":"Chala","start":"08:29","end":"09:55","startHours":8.484424720221806,"endHours":9.91964121631102,"quality":"neutral"},{"name":"Labha","start":"09:55","end":"11:21","startHours":9.91964121631102,"endHours":11.354857712400232,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:47","startHours":11.354857712400232,"endHours":12.790074208489443,"quality":"auspicious"},{"name":"Kāla","start":"12:47","end":"14:14","startHours":12.790074208489443,"endHours":14.225290704578654,"quality":"inauspicious"},{"name":"Śubha","start":"14:14","end":"15:40","startHours":14.225290704578654,"endHours":15.660507200667867,"quality":"auspicious"},{"name":"Roga","start":"15:40","end":"17:06","startHours":15.660507200667867,"endHours":17.09572369675708,"quality":"inauspicious"},{"name":"Udveg","start":"17:06","end":"18:32","startHours":17.09572369675708,"endHours":18.53094019284629,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:32","end":"20:06","startHours":18.53094019284629,"endHours":20.09572369675708,"quality":"auspicious"},{"name":"Roga","start":"20:06","end":"21:40","startHours":20.09572369675708,"endHours":21.660507200667865,"quality":"inauspicious"},{"name":"Udveg","start":"21:40","end":"23:14","startHours":21.660507200667865,"endHours":23.225290704578654,"quality":"inauspicious"},{"name":"Chala","start":"23:14","end":"00:47","startHours":23.225290704578654,"endHours":24.790074208489443,"quality":"neutral"},{"name":"Labha","start":"00:47","end":"02:21","startHours":24.790074208489443,"endHours":26.354857712400232,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"03:55","startHours":26.354857712400232,"endHours":27.91964121631102,"quality":"auspicious"},{"name":"Kāla","start":"03:55","end":"05:29","startHours":27.91964121631102,"endHours":29.484424720221806,"quality":"inauspicious"},{"name":"Śubha","start":"05:29","end":"07:03","startHours":29.484424720221806,"endHours":31.049208224132595,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.049208224132595,"endHours":8.049208224132595,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.049208224132595,"endHours":9.049208224132595,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.049208224132595,"endHours":10.049208224132595,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.049208224132595,"endHours":11.049208224132595,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.049208224132595,"endHours":12.049208224132595,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.049208224132595,"endHours":13.049208224132595,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.049208224132595,"endHours":14.049208224132595,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.049208224132595,"endHours":15.049208224132595,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.049208224132595,"endHours":16.049208224132595,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.049208224132595,"endHours":17.049208224132595,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.049208224132595,"endHours":18.049208224132595,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.049208224132595,"endHours":19.049208224132595,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.049208224132595,"endHours":20.049208224132595,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.049208224132595,"endHours":21.049208224132595,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.049208224132595,"endHours":22.049208224132595,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.049208224132595,"endHours":23.049208224132595,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.049208224132595,"endHours":24.049208224132595,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.049208224132595,"endHours":25.049208224132595,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.049208224132595,"endHours":26.049208224132595,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.049208224132595,"endHours":27.049208224132595,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.049208224132595,"endHours":28.049208224132595,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.049208224132595,"endHours":29.049208224132595,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.049208224132595,"endHours":30.049208224132595,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.049208224132595,"endHours":31.049208224132595,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":-15.556218320425744,"eotMinutes":-14.37765250936663,"ayanamsa":23.4493}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"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 7, 1971 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"February 7, 1971 CE for Kolhāpur, Maharashtra: Śukla Dvādaśī, sūryodaya 07:03, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1971-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1971-02-07","sa":"https://sa.vidhyamitra.com/city/kolhapur/1971-02-07","hi":"https://hi.vidhyamitra.com/city/kolhapur/1971-02-07","x-default":"https://vidhyamitra.com/city/kolhapur/1971-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T21:30:11.151Z","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":"2026-05-22T21:30:11.151Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T21:30:11.151Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}