{"id":"vidhyamitra:city-day:coimbatore:2012-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2012-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-20","date_display":"February 20, 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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455977.770833,"kali_year":5113,"ahargana":1867512.2708,"sun":{"sidereal_longitude":306.8635,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":285.1259,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2624,"elapsed_within_tithi_degrees":2.2624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.1259,"elapsed_within_degrees":5.1259},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.9894},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2012,"month":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455977.770833,"ahargana":1867512.2708,"kali_year":5113,"ayanamsa_lahiri":24.0225,"grahas":{"sun":{"sidereal_longitude":306.772746,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":283.94054600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":3.681},"mars":{"sidereal_longitude":144.19054600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":316.76964599999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":11.119946000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":349.551746,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":185.09584599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":230.2128,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.2128,"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":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455977.770833,"kali_year":5113,"ahargana":1867512.2708,"sun":{"sidereal_longitude":306.8635,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":285.1259,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.2624,"elapsed_within_tithi_degrees":2.2624},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.1259,"elapsed_within_degrees":5.1259},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.9894},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.681,"elongation":21.738},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.681,"opposition_distance":158.262}},"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":"06:42","sunsetLocal":"18:31","solarNoonLocal":"12:36","dayLengthHours":11.82109940372981,"dayLengthDisplay":"11 Hours 49 Mins 16 Secs","nightLengthDisplay":"12 Hours 10 Mins 44 Secs","moonriseLocal":"05:17","moonsetLocal":"16:53","rahuKala":{"name":"Rāhu Kāla","start":"08:10","end":"09:39","startHours":8.174756807680026,"endHours":9.652394233146254,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:08","end":"12:36","startHours":11.130031658612479,"endHours":12.607669084078704,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:05","end":"15:34","startHours":14.085306509544932,"endHours":15.562943935011159,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:51","startHours":9.455375909750757,"endHours":9.84941255654175,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.189665190702542,"endHours":7.5048945081353375,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"13:00","startHours":12.21363243728771,"endHours":13.001705730869698,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:07","end":"05:55","startHours":5.120972795049825,"endHours":5.909046088631813,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:42","startHours":5.712027765236316,"endHours":6.6971193822138,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:22","startHours":14.577852318033674,"endHours":15.365925611615662,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31821878594361,"endHours":18.71821878594361,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.51821878594361,"endHours":19.010764594432352,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26821878594361,"endHours":20.01821878594361,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"01:00","startHours":24.21363243728771,"endHours":25.0017057308697,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:42","end":"08:10","startHours":6.6971193822138,"endHours":8.174756807680026,"quality":"auspicious"},{"name":"Kāla","start":"08:10","end":"09:39","startHours":8.174756807680026,"endHours":9.652394233146254,"quality":"inauspicious"},{"name":"Śubha","start":"09:39","end":"11:08","startHours":9.652394233146254,"endHours":11.130031658612479,"quality":"auspicious"},{"name":"Roga","start":"11:08","end":"12:36","startHours":11.130031658612479,"endHours":12.607669084078704,"quality":"inauspicious"},{"name":"Udveg","start":"12:36","end":"14:05","startHours":12.607669084078704,"endHours":14.085306509544932,"quality":"inauspicious"},{"name":"Chala","start":"14:05","end":"15:34","startHours":14.085306509544932,"endHours":15.562943935011159,"quality":"neutral"},{"name":"Labha","start":"15:34","end":"17:02","startHours":15.562943935011159,"endHours":17.040581360477383,"quality":"auspicious"},{"name":"Amṛta","start":"17:02","end":"18:31","startHours":17.040581360477383,"endHours":18.51821878594361,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:31","end":"20:02","startHours":18.51821878594361,"endHours":20.040581360477383,"quality":"neutral"},{"name":"Labha","start":"20:02","end":"21:34","startHours":20.040581360477383,"endHours":21.562943935011155,"quality":"auspicious"},{"name":"Amṛta","start":"21:34","end":"23:05","startHours":21.562943935011155,"endHours":23.08530650954493,"quality":"auspicious"},{"name":"Kāla","start":"23:05","end":"00:36","startHours":23.08530650954493,"endHours":24.607669084078704,"quality":"inauspicious"},{"name":"Śubha","start":"00:36","end":"02:08","startHours":24.607669084078704,"endHours":26.130031658612477,"quality":"auspicious"},{"name":"Roga","start":"02:08","end":"03:39","startHours":26.130031658612477,"endHours":27.652394233146254,"quality":"inauspicious"},{"name":"Udveg","start":"03:39","end":"05:10","startHours":27.652394233146254,"endHours":29.174756807680026,"quality":"inauspicious"},{"name":"Chala","start":"05:10","end":"06:42","startHours":29.174756807680026,"endHours":30.6971193822138,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.6971193822138,"endHours":7.6971193822138,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.6971193822138,"endHours":8.697119382213799,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.697119382213799,"endHours":9.697119382213799,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.697119382213799,"endHours":10.697119382213799,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.697119382213799,"endHours":11.697119382213799,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.697119382213799,"endHours":12.697119382213799,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.697119382213799,"endHours":13.697119382213799,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.697119382213799,"endHours":14.697119382213799,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.697119382213799,"endHours":15.697119382213799,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.697119382213799,"endHours":16.6971193822138,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.6971193822138,"endHours":17.6971193822138,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.6971193822138,"endHours":18.6971193822138,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.6971193822138,"endHours":19.6971193822138,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.6971193822138,"endHours":20.6971193822138,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.6971193822138,"endHours":21.6971193822138,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.6971193822138,"endHours":22.6971193822138,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.6971193822138,"endHours":23.6971193822138,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.6971193822138,"endHours":24.6971193822138,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.6971193822138,"endHours":25.6971193822138,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.6971193822138,"endHours":26.6971193822138,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.6971193822138,"endHours":27.6971193822138,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.6971193822138,"endHours":28.6971193822138,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.6971193822138,"endHours":29.6971193822138,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.6971193822138,"endHours":30.6971193822138,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.190192174295396,"eotMinutes":-14.28334504472219,"ayanamsa":24.0225}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Caturdaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated walk."},"cosmic_resonances":[]},"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 20, 2012 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"February 20, 2012 CE for Coimbatore, Tamil Nadu: Kṛṣṇa Caturdaśī, sūryodaya 06:42, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2012-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2012-02-20","sa":"https://sa.vidhyamitra.com/city/coimbatore/2012-02-20","hi":"https://hi.vidhyamitra.com/city/coimbatore/2012-02-20","x-default":"https://vidhyamitra.com/city/coimbatore/2012-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:19:02.121Z","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":"2026-06-02T17:19:02.121Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:19:02.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}