{"id":"vidhyamitra:city-day:erode:2026-02-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2026-02-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-02-09","date_display":"February 9, 2026 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":2026,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461080.770833,"kali_year":5127,"ahargana":1872615.2708,"sun":{"sidereal_longitude":296.0759,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":200.5029,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.427,"elapsed_within_tithi_degrees":0.427},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.5029,"elapsed_within_degrees":0.5029},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.5788},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2026,"month":2,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461080.770833,"ahargana":1872615.2708,"kali_year":5127,"ayanamsa_lahiri":24.2177,"grahas":{"sun":{"sidereal_longitude":296.07077400000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":200.757974,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":-3.9223},"mars":{"sidereal_longitude":288.416374,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":309.04567399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":82.16117400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":303.693274,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":335.334574,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":319.8313,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":139.8313,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2026,"month":2,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461080.770833,"kali_year":5127,"ahargana":1872615.2708,"sun":{"sidereal_longitude":296.0759,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":200.5029,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":264.427,"elapsed_within_tithi_degrees":0.427},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":200.5029,"elapsed_within_degrees":0.5029},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.5788},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.922,"elongation":95.573},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.922,"opposition_distance":84.427}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:42","sunsetLocal":"18:25","solarNoonLocal":"12:34","dayLengthHours":11.71447519451862,"dayLengthDisplay":"11 Hours 42 Mins 52 Secs","nightLengthDisplay":"12 Hours 17 Mins 08 Secs","moonriseLocal":"00:23","moonsetLocal":"12:01","rahuKala":{"name":"Rāhu Kāla","start":"08:10","end":"09:38","startHours":8.167646964098715,"endHours":9.631956363413542,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:06","end":"12:34","startHours":11.096265762728368,"endHours":12.560575162043197,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:01","end":"15:29","startHours":14.024884561358025,"endHours":15.489193960672852,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:50","startHours":9.436715110171566,"endHours":9.827197616655518,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.1914406978888294,"endHours":7.503826703075992,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.170092655559243,"endHours":12.95105766852715,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:55","startHours":5.141407538848071,"endHours":5.922372551815979,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:42","startHours":5.727131298574002,"endHours":6.703337564783887,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:18","startHours":14.512987694462966,"endHours":15.293952707430874,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.217812759302507,"endHours":18.617812759302506,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:54","startHours":18.417812759302507,"endHours":18.90591589240745,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.167812759302507,"endHours":19.917812759302507,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.17009265555924,"endHours":24.951057668527152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:42","end":"08:10","startHours":6.703337564783887,"endHours":8.167646964098715,"quality":"auspicious"},{"name":"Kāla","start":"08:10","end":"09:38","startHours":8.167646964098715,"endHours":9.631956363413542,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"11:06","startHours":9.631956363413542,"endHours":11.096265762728368,"quality":"auspicious"},{"name":"Roga","start":"11:06","end":"12:34","startHours":11.096265762728368,"endHours":12.560575162043197,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:01","startHours":12.560575162043197,"endHours":14.024884561358025,"quality":"inauspicious"},{"name":"Chala","start":"14:01","end":"15:29","startHours":14.024884561358025,"endHours":15.489193960672852,"quality":"neutral"},{"name":"Labha","start":"15:29","end":"16:57","startHours":15.489193960672852,"endHours":16.95350335998768,"quality":"auspicious"},{"name":"Amṛta","start":"16:57","end":"18:25","startHours":16.95350335998768,"endHours":18.417812759302507,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:25","end":"19:57","startHours":18.417812759302507,"endHours":19.95350335998768,"quality":"neutral"},{"name":"Labha","start":"19:57","end":"21:29","startHours":19.95350335998768,"endHours":21.48919396067285,"quality":"auspicious"},{"name":"Amṛta","start":"21:29","end":"23:01","startHours":21.48919396067285,"endHours":23.024884561358025,"quality":"auspicious"},{"name":"Kāla","start":"23:01","end":"00:34","startHours":23.024884561358025,"endHours":24.560575162043197,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"02:06","startHours":24.560575162043197,"endHours":26.09626576272837,"quality":"auspicious"},{"name":"Roga","start":"02:06","end":"03:38","startHours":26.09626576272837,"endHours":27.631956363413543,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:10","startHours":27.631956363413543,"endHours":29.167646964098715,"quality":"inauspicious"},{"name":"Chala","start":"05:10","end":"06:42","startHours":29.167646964098715,"endHours":30.703337564783887,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.703337564783887,"endHours":7.703337564783887,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.703337564783887,"endHours":8.703337564783887,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.703337564783887,"endHours":9.703337564783887,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.703337564783887,"endHours":10.703337564783887,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.703337564783887,"endHours":11.703337564783887,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.703337564783887,"endHours":12.703337564783887,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.703337564783887,"endHours":13.703337564783887,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.703337564783887,"endHours":14.703337564783887,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.703337564783887,"endHours":15.703337564783887,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.703337564783887,"endHours":16.703337564783887,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.703337564783887,"endHours":17.703337564783887,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.703337564783887,"endHours":18.703337564783887,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.703337564783887,"endHours":19.703337564783887,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.703337564783887,"endHours":20.703337564783887,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.703337564783887,"endHours":21.703337564783887,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.703337564783887,"endHours":22.703337564783887,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.703337564783887,"endHours":23.703337564783887,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.703337564783887,"endHours":24.703337564783887,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.703337564783887,"endHours":25.703337564783887,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.703337564783887,"endHours":26.703337564783887,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.703337564783887,"endHours":27.703337564783887,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.703337564783887,"endHours":28.703337564783887,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.703337564783887,"endHours":29.703337564783887,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.703337564783887,"endHours":30.703337564783887,"planetary_lord":"Venus"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":-14.72146215835084,"eotMinutes":-14.503309722591807,"ayanamsa":24.2177}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Aṣṭamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"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":"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 9, 2026 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 9, 2026 CE for Erode, Tamil Nadu: Kṛṣṇa Aṣṭamī, sūryodaya 06:42, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2026-02-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2026-02-09","sa":"https://sa.vidhyamitra.com/city/erode/2026-02-09","hi":"https://hi.vidhyamitra.com/city/erode/2026-02-09","x-default":"https://vidhyamitra.com/city/erode/2026-02-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T00:51:37.665Z","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":"2026-05-15T00:51:37.665Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T00:51:37.665Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}