{"id":"vidhyamitra:city-day:coimbatore:2012-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2012-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-01","date_display":"February 1, 2012 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":2012,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455958.770833,"kali_year":5113,"ahargana":1867493.2708,"sun":{"sidereal_longitude":287.5291,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":27.4754,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.9463,"elapsed_within_tithi_degrees":3.9463},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.4754,"elapsed_within_degrees":0.8087},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.0044},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2012,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455958.770833,"ahargana":1867493.2708,"kali_year":5113,"ayanamsa_lahiri":24.0218,"grahas":{"sun":{"sidereal_longitude":287.54497200000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":26.897471999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":1.8104},"mars":{"sidereal_longitude":148.44827199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":282.96147199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":8.454771999999991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":327.257072,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":185.189572,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.2195,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.2195,"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":2012,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455958.770833,"kali_year":5113,"ahargana":1867493.2708,"sun":{"sidereal_longitude":287.5291,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":27.4754,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":99.9463,"elapsed_within_tithi_degrees":3.9463},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":27.4754,"elapsed_within_degrees":0.8087},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.0044},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.81,"elongation":99.946},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.81,"opposition_distance":80.054}},"eclipse_window_40days":[]},"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"coimbatore","name":"Coimbatore, Tamil Nadu","lat":11.0168,"lon":76.9558,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:46","sunsetLocal":"18:26","solarNoonLocal":"12:36","dayLengthHours":11.65481825843883,"dayLengthDisplay":"11 Hours 39 Mins 17 Secs","nightLengthDisplay":"12 Hours 20 Mins 43 Secs","moonriseLocal":"12:56","moonsetLocal":"01:30","rahuKala":{"name":"Rāhu Kāla","start":"12:36","end":"14:03","startHours":12.597769135289926,"endHours":14.054621417594781,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:14","end":"09:41","startHours":8.227212288375366,"endHours":9.68406457068022,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:08","end":"12:36","startHours":11.140916852985074,"endHours":12.597769135289926,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:53","startHours":9.489817599706239,"endHours":9.8783115416542,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.255977433505463,"endHours":7.5667725870638325,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"12:59","startHours":12.209275193341965,"endHours":12.986263077237888,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"06:00","startHours":5.2163842382786685,"endHours":5.99337212217459,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:46","startHours":5.7991251512006095,"endHours":6.770360006070512,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:19","startHours":14.540238845029732,"endHours":15.317226728925654,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.225178264509342,"endHours":18.62517826450934,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:55","startHours":18.42517826450934,"endHours":18.910795691944294,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.17517826450934,"endHours":19.92517826450934,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"00:59","startHours":24.209275193341966,"endHours":24.986263077237886,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:46","end":"08:14","startHours":6.770360006070512,"endHours":8.227212288375366,"quality":"auspicious"},{"name":"Amṛta","start":"08:14","end":"09:41","startHours":8.227212288375366,"endHours":9.68406457068022,"quality":"auspicious"},{"name":"Kāla","start":"09:41","end":"11:08","startHours":9.68406457068022,"endHours":11.140916852985074,"quality":"inauspicious"},{"name":"Śubha","start":"11:08","end":"12:36","startHours":11.140916852985074,"endHours":12.597769135289926,"quality":"auspicious"},{"name":"Roga","start":"12:36","end":"14:03","startHours":12.597769135289926,"endHours":14.054621417594781,"quality":"inauspicious"},{"name":"Udveg","start":"14:03","end":"15:31","startHours":14.054621417594781,"endHours":15.511473699899636,"quality":"inauspicious"},{"name":"Chala","start":"15:31","end":"16:58","startHours":15.511473699899636,"endHours":16.968325982204487,"quality":"neutral"},{"name":"Labha","start":"16:58","end":"18:26","startHours":16.968325982204487,"endHours":18.42517826450934,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:26","end":"19:58","startHours":18.42517826450934,"endHours":19.968325982204487,"quality":"inauspicious"},{"name":"Chala","start":"19:58","end":"21:31","startHours":19.968325982204487,"endHours":21.511473699899632,"quality":"neutral"},{"name":"Labha","start":"21:31","end":"23:03","startHours":21.511473699899632,"endHours":23.05462141759478,"quality":"auspicious"},{"name":"Amṛta","start":"23:03","end":"00:36","startHours":23.05462141759478,"endHours":24.597769135289926,"quality":"auspicious"},{"name":"Kāla","start":"00:36","end":"02:08","startHours":24.597769135289926,"endHours":26.14091685298507,"quality":"inauspicious"},{"name":"Śubha","start":"02:08","end":"03:41","startHours":26.14091685298507,"endHours":27.68406457068022,"quality":"auspicious"},{"name":"Roga","start":"03:41","end":"05:14","startHours":27.68406457068022,"endHours":29.227212288375366,"quality":"inauspicious"},{"name":"Udveg","start":"05:14","end":"06:46","startHours":29.227212288375366,"endHours":30.77036000607051,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.770360006070512,"endHours":7.770360006070512,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.770360006070512,"endHours":8.770360006070511,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.770360006070511,"endHours":9.770360006070511,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.770360006070511,"endHours":10.770360006070511,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.770360006070511,"endHours":11.770360006070511,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.770360006070511,"endHours":12.770360006070511,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.770360006070511,"endHours":13.770360006070511,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.770360006070511,"endHours":14.770360006070511,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.770360006070511,"endHours":15.770360006070511,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.770360006070511,"endHours":16.77036000607051,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.77036000607051,"endHours":17.77036000607051,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.77036000607051,"endHours":18.77036000607051,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.77036000607051,"endHours":19.77036000607051,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.77036000607051,"endHours":20.77036000607051,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.77036000607051,"endHours":21.77036000607051,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.77036000607051,"endHours":22.77036000607051,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.77036000607051,"endHours":23.77036000607051,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.77036000607051,"endHours":24.77036000607051,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.77036000607051,"endHours":25.77036000607051,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.77036000607051,"endHours":26.77036000607051,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.77036000607051,"endHours":27.77036000607051,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.77036000607051,"endHours":28.77036000607051,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.77036000607051,"endHours":29.77036000607051,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.77036000607051,"endHours":30.77036000607051,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"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":-17.312110073250636,"eotMinutes":-13.689348117395623,"ayanamsa":24.0218}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"coimbatore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 1, 2012 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"February 1, 2012 CE for Coimbatore, Tamil Nadu: Śukla Navamī, sūryodaya 06:46, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2012-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2012-02-01","sa":"https://sa.vidhyamitra.com/city/coimbatore/2012-02-01","hi":"https://hi.vidhyamitra.com/city/coimbatore/2012-02-01","x-default":"https://vidhyamitra.com/city/coimbatore/2012-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T02:52:25.491Z","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":"2026-05-23T02:52:25.491Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T02:52:25.491Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}