{"id":"vidhyamitra:city-day:coimbatore:2011-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/coimbatore/2011-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-02-07","date_display":"February 7, 2011 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":2011,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455599.770833,"kali_year":5112,"ahargana":1867134.2708,"sun":{"sidereal_longitude":293.9174,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":340.545,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.6276,"elapsed_within_tithi_degrees":10.6276},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.545,"elapsed_within_degrees":7.2116},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.4624},"karana":{"half_tithi_index":7,"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":2011,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455599.770833,"ahargana":1867134.2708,"kali_year":5112,"ayanamsa_lahiri":24.0081,"grahas":{"sun":{"sidereal_longitude":293.89028800000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":337.015288,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":4.4999},"mars":{"sidereal_longitude":293.209388,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":280.7923880000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":338.994988,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":248.96948799999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":172.849788,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":250.2411,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.2411,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2011,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455599.770833,"kali_year":5112,"ahargana":1867134.2708,"sun":{"sidereal_longitude":293.9174,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":340.545,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.6276,"elapsed_within_tithi_degrees":10.6276},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.545,"elapsed_within_degrees":7.2116},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.4624},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":46.628},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":133.372}},"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":"06:45","sunsetLocal":"18:28","solarNoonLocal":"12:37","dayLengthHours":11.705829820491822,"dayLengthDisplay":"11 Hours 42 Mins 21 Secs","nightLengthDisplay":"12 Hours 17 Mins 39 Secs","moonriseLocal":"09:26","moonsetLocal":"21:32","rahuKala":{"name":"Rāhu Kāla","start":"08:13","end":"09:41","startHours":8.219554692471677,"endHours":9.682783420033154,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:09","end":"12:37","startHours":11.146012147594632,"endHours":12.609240875156111,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:04","end":"15:32","startHours":14.072469602717588,"endHours":15.535698330279065,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:53","startHours":9.487686256358291,"endHours":9.877880583708018,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:33","startHours":7.2440688740973584,"endHours":7.556224335977141,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"13:00","startHours":12.219046547806384,"endHours":12.999435202505838,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:59","startHours":5.19554865551129,"endHours":5.975937310210744,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:45","startHours":5.780840146535881,"endHours":6.756325964910199,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:20","startHours":14.560212511904748,"endHours":15.340601166604202,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.262155785402022,"endHours":18.66215578540202,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:57","startHours":18.46215578540202,"endHours":18.94989869458918,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.21215578540202,"endHours":19.96215578540202,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"01:00","startHours":24.219046547806382,"endHours":24.99943520250584,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:45","end":"08:13","startHours":6.756325964910199,"endHours":8.219554692471677,"quality":"auspicious"},{"name":"Kāla","start":"08:13","end":"09:41","startHours":8.219554692471677,"endHours":9.682783420033154,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:09","startHours":9.682783420033154,"endHours":11.146012147594632,"quality":"auspicious"},{"name":"Roga","start":"11:09","end":"12:37","startHours":11.146012147594632,"endHours":12.609240875156111,"quality":"inauspicious"},{"name":"Udveg","start":"12:37","end":"14:04","startHours":12.609240875156111,"endHours":14.072469602717588,"quality":"inauspicious"},{"name":"Chala","start":"14:04","end":"15:32","startHours":14.072469602717588,"endHours":15.535698330279065,"quality":"neutral"},{"name":"Labha","start":"15:32","end":"17:00","startHours":15.535698330279065,"endHours":16.998927057840543,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:28","startHours":16.998927057840543,"endHours":18.46215578540202,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"20:00","startHours":18.46215578540202,"endHours":19.998927057840543,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:32","startHours":19.998927057840543,"endHours":21.535698330279068,"quality":"auspicious"},{"name":"Amṛta","start":"21:32","end":"23:04","startHours":21.535698330279068,"endHours":23.07246960271759,"quality":"auspicious"},{"name":"Kāla","start":"23:04","end":"00:37","startHours":23.07246960271759,"endHours":24.60924087515611,"quality":"inauspicious"},{"name":"Śubha","start":"00:37","end":"02:09","startHours":24.60924087515611,"endHours":26.146012147594632,"quality":"auspicious"},{"name":"Roga","start":"02:09","end":"03:41","startHours":26.146012147594632,"endHours":27.682783420033154,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:13","startHours":27.682783420033154,"endHours":29.21955469247168,"quality":"inauspicious"},{"name":"Chala","start":"05:13","end":"06:45","startHours":29.21955469247168,"endHours":30.7563259649102,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.756325964910199,"endHours":7.756325964910199,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.756325964910199,"endHours":8.7563259649102,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.7563259649102,"endHours":9.7563259649102,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.7563259649102,"endHours":10.7563259649102,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.7563259649102,"endHours":11.7563259649102,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.7563259649102,"endHours":12.7563259649102,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.7563259649102,"endHours":13.7563259649102,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.7563259649102,"endHours":14.7563259649102,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.7563259649102,"endHours":15.7563259649102,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.7563259649102,"endHours":16.7563259649102,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.7563259649102,"endHours":17.7563259649102,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.7563259649102,"endHours":18.7563259649102,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.7563259649102,"endHours":19.7563259649102,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.7563259649102,"endHours":20.7563259649102,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.7563259649102,"endHours":21.7563259649102,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.7563259649102,"endHours":22.7563259649102,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.7563259649102,"endHours":23.7563259649102,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.7563259649102,"endHours":24.7563259649102,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.7563259649102,"endHours":25.7563259649102,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.7563259649102,"endHours":26.7563259649102,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.7563259649102,"endHours":27.7563259649102,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.7563259649102,"endHours":28.7563259649102,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.7563259649102,"endHours":29.7563259649102,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.7563259649102,"endHours":30.7563259649102,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.465538241672613,"eotMinutes":-14.37765250936663,"ayanamsa":24.0081}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":"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 7, 2011 CE · Coimbatore, Tamil Nadu · Vidhyamitra","description":"February 7, 2011 CE for Coimbatore, Tamil Nadu: Śukla Caturthī, sūryodaya 06:45, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/coimbatore/2011-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/coimbatore/2011-02-07","sa":"https://sa.vidhyamitra.com/city/coimbatore/2011-02-07","hi":"https://hi.vidhyamitra.com/city/coimbatore/2011-02-07","x-default":"https://vidhyamitra.com/city/coimbatore/2011-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:29:40.802Z","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":"2026-06-01T19:29:40.802Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:29:40.802Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}