{"id":"vidhyamitra:city-day:erode:2170-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2170-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-01-06","date_display":"January 6, 2170 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":2170,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513641.770833,"kali_year":5271,"ahargana":1925176.2708,"sun":{"sidereal_longitude":258.9226,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.8361,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9135,"elapsed_within_tithi_degrees":2.9135},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.8361,"elapsed_within_degrees":11.1694},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7587},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2170,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513641.770833,"ahargana":1925176.2708,"kali_year":5271,"ayanamsa_lahiri":26.228,"grahas":{"sun":{"sidereal_longitude":259.533457,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":121.22915699999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":4.0065},"mars":{"sidereal_longitude":147.12935700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":240.02725699999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":140.45085699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":267.91995699999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":294.37025700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":54.8966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.8966,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":2170,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513641.770833,"kali_year":5271,"ahargana":1925176.2708,"sun":{"sidereal_longitude":258.9226,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.8361,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":218.9135,"elapsed_within_tithi_degrees":2.9135},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.8361,"elapsed_within_degrees":11.1694},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7587},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.007,"elongation":141.087},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.007,"opposition_distance":38.913}},"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":"06:40","sunsetLocal":"18:10","solarNoonLocal":"12:25","dayLengthHours":11.487387804621319,"dayLengthDisplay":"11 Hours 29 Mins 15 Secs","nightLengthDisplay":"12 Hours 30 Mins 45 Secs","moonriseLocal":"20:59","moonsetLocal":"09:24","rahuKala":{"name":"Rāhu Kāla","start":"09:33","end":"10:59","startHours":9.544933400627569,"endHours":10.980856876205234,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:51","end":"15:17","startHours":13.852703827360564,"endHours":15.288627302938227,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:40","end":"08:07","startHours":6.673086449472239,"endHours":8.109009925049904,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:44","startHours":9.353476937217213,"endHours":9.736389864037925,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.151727607998127,"endHours":7.4580579494546955,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:48","startHours":12.033867424962187,"endHours":12.799693278603607,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:54","startHours":5.1414347421893964,"endHours":5.9072605958308175,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:40","startHours":5.7158041324204625,"endHours":6.673086449472239,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:06","startHours":14.331344985886451,"endHours":15.097170839527873,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.96047425409356,"endHours":18.360474254093557,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:38","startHours":18.160474254093558,"endHours":18.639115412619446,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.910474254093558,"endHours":19.660474254093558,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:48","startHours":24.033867424962185,"endHours":24.79969327860361,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:40","end":"08:07","startHours":6.673086449472239,"endHours":8.109009925049904,"quality":"inauspicious"},{"name":"Śubha","start":"08:07","end":"09:33","startHours":8.109009925049904,"endHours":9.544933400627569,"quality":"auspicious"},{"name":"Roga","start":"09:33","end":"10:59","startHours":9.544933400627569,"endHours":10.980856876205234,"quality":"inauspicious"},{"name":"Udveg","start":"10:59","end":"12:25","startHours":10.980856876205234,"endHours":12.416780351782897,"quality":"inauspicious"},{"name":"Chala","start":"12:25","end":"13:51","startHours":12.416780351782897,"endHours":13.852703827360564,"quality":"neutral"},{"name":"Labha","start":"13:51","end":"15:17","startHours":13.852703827360564,"endHours":15.288627302938227,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:43","startHours":15.288627302938227,"endHours":16.72455077851589,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:10","startHours":16.72455077851589,"endHours":18.160474254093558,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:10","end":"19:43","startHours":18.160474254093558,"endHours":19.724550778515894,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:17","startHours":19.724550778515894,"endHours":21.288627302938227,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:51","startHours":21.288627302938227,"endHours":22.852703827360564,"quality":"inauspicious"},{"name":"Śubha","start":"22:51","end":"00:25","startHours":22.852703827360564,"endHours":24.416780351782897,"quality":"auspicious"},{"name":"Roga","start":"00:25","end":"01:59","startHours":24.416780351782897,"endHours":25.980856876205234,"quality":"inauspicious"},{"name":"Udveg","start":"01:59","end":"03:33","startHours":25.980856876205234,"endHours":27.54493340062757,"quality":"inauspicious"},{"name":"Chala","start":"03:33","end":"05:07","startHours":27.54493340062757,"endHours":29.109009925049904,"quality":"neutral"},{"name":"Labha","start":"05:07","end":"06:40","startHours":29.109009925049904,"endHours":30.673086449472237,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.673086449472239,"endHours":7.673086449472239,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.673086449472239,"endHours":8.673086449472239,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.673086449472239,"endHours":9.673086449472239,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.673086449472239,"endHours":10.673086449472239,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.673086449472239,"endHours":11.673086449472239,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.673086449472239,"endHours":12.673086449472239,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.673086449472239,"endHours":13.673086449472239,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.673086449472239,"endHours":14.673086449472239,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.673086449472239,"endHours":15.673086449472239,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.673086449472239,"endHours":16.673086449472237,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.673086449472237,"endHours":17.673086449472237,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.673086449472237,"endHours":18.673086449472237,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.673086449472237,"endHours":19.673086449472237,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.673086449472237,"endHours":20.673086449472237,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.673086449472237,"endHours":21.673086449472237,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.673086449472237,"endHours":22.673086449472237,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.673086449472237,"endHours":23.673086449472237,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.673086449472237,"endHours":24.673086449472237,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.673086449472237,"endHours":25.673086449472237,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.673086449472237,"endHours":26.673086449472237,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.673086449472237,"endHours":27.673086449472237,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.673086449472237,"endHours":28.673086449472237,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.673086449472237,"endHours":29.673086449472237,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.673086449472237,"endHours":30.673086449472237,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","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":"East","anandadiYoga":{"name":"Saumya","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":-22.505870722664184,"eotMinutes":-5.875621106973772,"ayanamsa":26.228}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 6, 2170 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 6, 2170 CE for Erode, Tamil Nadu: Kṛṣṇa Caturthī, sūryodaya 06:40, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2170-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2170-01-06","sa":"https://sa.vidhyamitra.com/city/erode/2170-01-06","hi":"https://hi.vidhyamitra.com/city/erode/2170-01-06","x-default":"https://vidhyamitra.com/city/erode/2170-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T12:21:25.496Z","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":"2026-05-27T12:21:25.496Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T12:21:25.496Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}