{"id":"vidhyamitra:city-day:erode:-3136-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/-3136-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3136-02-01","date_display":"February 1, 3137 BCE","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":-3136,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575664.770833,"kali_year":-35,"ahargana":-12800.7292,"sun":{"sidereal_longitude":345.9369,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":167.7871,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.8502,"elapsed_within_tithi_degrees":1.8502},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.7871,"elapsed_within_degrees":7.7871},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.724},"karana":{"half_tithi_index":30,"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":-3136,"month":2,"day":1,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575664.770833,"ahargana":-12800.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8924,"grahas":{"sun":{"sidereal_longitude":345.9369,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":167.7871,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":2.2171},"mars":{"sidereal_longitude":99.7135,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":330.6809,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":13.6943,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":356.3167,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":289.4249,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":138.2442,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.2442,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":-3136,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575664.770833,"kali_year":-35,"ahargana":-12800.7292,"sun":{"sidereal_longitude":345.9369,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":167.7871,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.8502,"elapsed_within_tithi_degrees":1.8502},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.7871,"elapsed_within_degrees":7.7871},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.724},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.217,"elongation":178.15},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.217,"opposition_distance":1.85}},"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":"06:46","sunsetLocal":"18:19","solarNoonLocal":"12:33","dayLengthHours":11.546303736653272,"dayLengthDisplay":"11 Hours 32 Mins 47 Secs","nightLengthDisplay":"12 Hours 27 Mins 13 Secs","moonriseLocal":"18:21","moonsetLocal":"07:00","rahuKala":{"name":"Rāhu Kāla","start":"16:53","end":"18:19","startHours":16.876873036534903,"endHours":18.320161003616562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"13:59","startHours":12.547009135289926,"endHours":13.990297102371585,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:26","end":"16:53","startHours":15.433585069453244,"endHours":16.876873036534903,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:51","startHours":9.467994805515719,"endHours":9.852871596737495,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.254953255990509,"endHours":7.56285468896793,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:56","startHours":12.16213234406815,"endHours":12.931885926511702,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:00","startHours":5.234350102076187,"endHours":6.0041036845197375,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:46","startHours":5.81166528890885,"endHours":6.773857266963289,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:14","startHours":14.471393091398802,"endHours":15.241146673842353,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.120161003616563,"endHours":18.52016100361656,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:48","startHours":18.320161003616562,"endHours":18.801256992643783,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.070161003616562,"endHours":19.820161003616562,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:56","startHours":24.16213234406815,"endHours":24.9318859265117,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:46","end":"08:13","startHours":6.773857266963289,"endHours":8.21714523404495,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:40","startHours":8.21714523404495,"endHours":9.660433201126608,"quality":"neutral"},{"name":"Labha","start":"09:40","end":"11:06","startHours":9.660433201126608,"endHours":11.103721168208267,"quality":"auspicious"},{"name":"Amṛta","start":"11:06","end":"12:33","startHours":11.103721168208267,"endHours":12.547009135289926,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"13:59","startHours":12.547009135289926,"endHours":13.990297102371585,"quality":"inauspicious"},{"name":"Śubha","start":"13:59","end":"15:26","startHours":13.990297102371585,"endHours":15.433585069453244,"quality":"auspicious"},{"name":"Roga","start":"15:26","end":"16:53","startHours":15.433585069453244,"endHours":16.876873036534903,"quality":"inauspicious"},{"name":"Udveg","start":"16:53","end":"18:19","startHours":16.876873036534903,"endHours":18.320161003616562,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:19","end":"19:53","startHours":18.320161003616562,"endHours":19.876873036534903,"quality":"auspicious"},{"name":"Roga","start":"19:53","end":"21:26","startHours":19.876873036534903,"endHours":21.433585069453244,"quality":"inauspicious"},{"name":"Udveg","start":"21:26","end":"22:59","startHours":21.433585069453244,"endHours":22.990297102371585,"quality":"inauspicious"},{"name":"Chala","start":"22:59","end":"00:33","startHours":22.990297102371585,"endHours":24.547009135289926,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:06","startHours":24.547009135289926,"endHours":26.103721168208267,"quality":"auspicious"},{"name":"Amṛta","start":"02:06","end":"03:40","startHours":26.103721168208267,"endHours":27.660433201126608,"quality":"auspicious"},{"name":"Kāla","start":"03:40","end":"05:13","startHours":27.660433201126608,"endHours":29.21714523404495,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:46","startHours":29.21714523404495,"endHours":30.77385726696329,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.773857266963289,"endHours":7.773857266963289,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.773857266963289,"endHours":8.77385726696329,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.77385726696329,"endHours":9.77385726696329,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.77385726696329,"endHours":10.77385726696329,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.77385726696329,"endHours":11.77385726696329,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.77385726696329,"endHours":12.77385726696329,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.77385726696329,"endHours":13.77385726696329,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.77385726696329,"endHours":14.77385726696329,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.77385726696329,"endHours":15.77385726696329,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.77385726696329,"endHours":16.77385726696329,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.77385726696329,"endHours":17.77385726696329,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.77385726696329,"endHours":18.77385726696329,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.77385726696329,"endHours":19.77385726696329,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.77385726696329,"endHours":20.77385726696329,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.77385726696329,"endHours":21.77385726696329,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.77385726696329,"endHours":22.77385726696329,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.77385726696329,"endHours":23.77385726696329,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.77385726696329,"endHours":24.77385726696329,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.77385726696329,"endHours":25.77385726696329,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.77385726696329,"endHours":26.77385726696329,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.77385726696329,"endHours":27.77385726696329,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.77385726696329,"endHours":28.77385726696329,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.77385726696329,"endHours":29.77385726696329,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.77385726696329,"endHours":30.77385726696329,"planetary_lord":"Jupiter"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.55043698655015,"eotMinutes":-13.689348117395623,"ayanamsa":-47.8924}},"calendars":{"vikram_samvat":-3079,"saka_samvat":-3214,"bengali_samvat":-3729,"malayalam_era":-3960,"nanakshahi_year":-4605,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Pratipada · Vikram -3079 undefined · Śaka -3214 undefined"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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":true,"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 1, 3137 BCE · Erode, Tamil Nadu · Vidhyamitra","description":"February 1, 3137 BCE for Erode, Tamil Nadu: Kṛṣṇa Pratipada, sūryodaya 06:46, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/-3136-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/-3136-02-01","sa":"https://sa.vidhyamitra.com/city/erode/-3136-02-01","hi":"https://hi.vidhyamitra.com/city/erode/-3136-02-01","x-default":"https://vidhyamitra.com/city/erode/-3136-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T23:54:36.056Z","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":"2026-05-19T23:54:36.056Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T23:54:36.056Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}