{"id":"vidhyamitra:city-day:erode:2010-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2010-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-01-04","date_display":"January 4, 2010 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":2010,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455200.770833,"kali_year":5111,"ahargana":1866735.2708,"sun":{"sidereal_longitude":259.3349,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":121.6143,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2794,"elapsed_within_tithi_degrees":6.2794},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.6143,"elapsed_within_degrees":1.6143},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.9492},"karana":{"half_tithi_index":37,"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":2010,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455200.770833,"ahargana":1866735.2708,"kali_year":5111,"ayanamsa_lahiri":23.9928,"grahas":{"sun":{"sidereal_longitude":259.566233,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":124.93953299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-2.264},"mars":{"sidereal_longitude":114.14633300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":261.192133,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":303.24723300000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":257.56653299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":160.34313299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":271.382,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.382,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2010,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455200.770833,"kali_year":5111,"ahargana":1866735.2708,"sun":{"sidereal_longitude":259.3349,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":121.6143,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.2794,"elapsed_within_tithi_degrees":6.2794},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.6143,"elapsed_within_degrees":1.6143},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.9492},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.264,"elongation":137.721},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.264,"opposition_distance":42.279}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":1.039,"opposition_distance":1.922},{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":-0.153,"elongation":1.79}]},"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":"06:40","sunsetLocal":"18:09","solarNoonLocal":"12:24","dayLengthHours":11.48004718044811,"dayLengthDisplay":"11 Hours 28 Mins 48 Secs","nightLengthDisplay":"12 Hours 31 Mins 12 Secs","moonriseLocal":"21:14","moonsetLocal":"09:38","rahuKala":{"name":"Rāhu Kāla","start":"08:06","end":"09:32","startHours":8.097567421754395,"endHours":9.532573319310409,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:24","startHours":10.967579216866422,"endHours":12.402585114422436,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:50","end":"15:16","startHours":13.83759101197845,"endHours":15.272596909534464,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:43","startHours":9.341239199636274,"endHours":9.723907438984543,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:27","startHours":7.140896823383719,"endHours":7.4470314148623356,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:47","startHours":12.019916875074166,"endHours":12.785253353770706,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:54","startHours":5.1318885668053,"endHours":5.89722504550184,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:40","startHours":5.705890925827705,"endHours":6.662561524198381,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:05","startHours":14.315926311163789,"endHours":15.08126278986033,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.942608704646492,"endHours":18.34260870464649,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:37","startHours":18.14260870464649,"endHours":18.62094400383183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.89260870464649,"endHours":19.64260870464649,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:47","startHours":24.019916875074166,"endHours":24.785253353770706,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:06","startHours":6.662561524198381,"endHours":8.097567421754395,"quality":"auspicious"},{"name":"Kāla","start":"08:06","end":"09:32","startHours":8.097567421754395,"endHours":9.532573319310409,"quality":"inauspicious"},{"name":"Śubha","start":"09:32","end":"10:58","startHours":9.532573319310409,"endHours":10.967579216866422,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:24","startHours":10.967579216866422,"endHours":12.402585114422436,"quality":"inauspicious"},{"name":"Udveg","start":"12:24","end":"13:50","startHours":12.402585114422436,"endHours":13.83759101197845,"quality":"inauspicious"},{"name":"Chala","start":"13:50","end":"15:16","startHours":13.83759101197845,"endHours":15.272596909534464,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:42","startHours":15.272596909534464,"endHours":16.707602807090478,"quality":"auspicious"},{"name":"Amṛta","start":"16:42","end":"18:09","startHours":16.707602807090478,"endHours":18.14260870464649,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:09","end":"19:42","startHours":18.14260870464649,"endHours":19.707602807090478,"quality":"neutral"},{"name":"Labha","start":"19:42","end":"21:16","startHours":19.707602807090478,"endHours":21.272596909534464,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:50","startHours":21.272596909534464,"endHours":22.83759101197845,"quality":"auspicious"},{"name":"Kāla","start":"22:50","end":"00:24","startHours":22.83759101197845,"endHours":24.402585114422436,"quality":"inauspicious"},{"name":"Śubha","start":"00:24","end":"01:58","startHours":24.402585114422436,"endHours":25.967579216866422,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:32","startHours":25.967579216866422,"endHours":27.53257331931041,"quality":"inauspicious"},{"name":"Udveg","start":"03:32","end":"05:06","startHours":27.53257331931041,"endHours":29.097567421754395,"quality":"inauspicious"},{"name":"Chala","start":"05:06","end":"06:40","startHours":29.097567421754395,"endHours":30.66256152419838,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.662561524198381,"endHours":7.662561524198381,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.662561524198381,"endHours":8.66256152419838,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.66256152419838,"endHours":9.66256152419838,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.66256152419838,"endHours":10.66256152419838,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.66256152419838,"endHours":11.66256152419838,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.66256152419838,"endHours":12.66256152419838,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.66256152419838,"endHours":13.66256152419838,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.66256152419838,"endHours":14.66256152419838,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.66256152419838,"endHours":15.66256152419838,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.66256152419838,"endHours":16.66256152419838,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.66256152419838,"endHours":17.66256152419838,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.66256152419838,"endHours":18.66256152419838,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.66256152419838,"endHours":19.66256152419838,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.66256152419838,"endHours":20.66256152419838,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.66256152419838,"endHours":21.66256152419838,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.66256152419838,"endHours":22.66256152419838,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.66256152419838,"endHours":23.66256152419838,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.66256152419838,"endHours":24.66256152419838,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.66256152419838,"endHours":25.66256152419838,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.66256152419838,"endHours":26.66256152419838,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.66256152419838,"endHours":27.66256152419838,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.66256152419838,"endHours":28.66256152419838,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.66256152419838,"endHours":29.66256152419838,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.66256152419838,"endHours":30.66256152419838,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.746039353442658,"eotMinutes":-5.02390686534617,"ayanamsa":23.9928}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"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":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 4, 2010 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 4, 2010 CE for Erode, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:40, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2010-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2010-01-04","sa":"https://sa.vidhyamitra.com/city/erode/2010-01-04","hi":"https://hi.vidhyamitra.com/city/erode/2010-01-04","x-default":"https://vidhyamitra.com/city/erode/2010-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T01:34:21.913Z","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":"2026-05-23T01:34:21.913Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T01:34:21.913Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}