{"id":"vidhyamitra:city-day:erode:2181-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2181-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-01-15","date_display":"January 15, 2181 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":2181,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517668.770833,"kali_year":5282,"ahargana":1929203.2708,"sun":{"sidereal_longitude":268.3306,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":265.396,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.396,"elapsed_within_degrees":12.0627},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7266},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2181,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517668.770833,"ahargana":1929203.2708,"kali_year":5282,"ayanamsa_lahiri":26.382,"grahas":{"sun":{"sidereal_longitude":268.886796,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":264.6137960000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":4.0393},"mars":{"sidereal_longitude":45.785195999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":248.328396,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":111.598996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":261.339196,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":78.08219600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":201.5267,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":21.5267,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517668.770833,"kali_year":5282,"ahargana":1929203.2708,"sun":{"sidereal_longitude":268.3306,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":265.396,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0654,"elapsed_within_tithi_degrees":9.0654},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.396,"elapsed_within_degrees":12.0627},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7266},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.039,"elongation":2.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.039,"opposition_distance":177.065}},"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":"06:43","sunsetLocal":"18:14","solarNoonLocal":"12:28","dayLengthHours":11.530484258877456,"dayLengthDisplay":"11 Hours 31 Mins 50 Secs","nightLengthDisplay":"12 Hours 28 Mins 10 Secs","moonriseLocal":"06:27","moonsetLocal":"17:56","rahuKala":{"name":"Rāhu Kāla","start":"08:09","end":"09:36","startHours":8.150754227023175,"endHours":9.592064759382858,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:28","startHours":11.033375291742539,"endHours":12.47468582410222,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:21","startHours":13.915996356461903,"endHours":15.357306888821585,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:47","startHours":9.3998900217349,"endHours":9.784239497030814,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.189880538783387,"endHours":7.49736011902012,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:52","startHours":12.090336348806305,"endHours":12.859035299398135,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:10","end":"05:56","startHours":5.172045793479833,"endHours":5.9407447440716625,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:43","startHours":5.748570006423705,"endHours":6.709443694663493,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:10","startHours":14.396433200581797,"endHours":15.165132151173626,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.03992795354095,"endHours":18.43992795354095,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:43","startHours":18.23992795354095,"endHours":18.720364797660842,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.98992795354095,"endHours":19.73992795354095,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:52","startHours":24.090336348806304,"endHours":24.859035299398137,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:43","end":"08:09","startHours":6.709443694663493,"endHours":8.150754227023175,"quality":"auspicious"},{"name":"Kāla","start":"08:09","end":"09:36","startHours":8.150754227023175,"endHours":9.592064759382858,"quality":"inauspicious"},{"name":"Śubha","start":"09:36","end":"11:02","startHours":9.592064759382858,"endHours":11.033375291742539,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:28","startHours":11.033375291742539,"endHours":12.47468582410222,"quality":"inauspicious"},{"name":"Udveg","start":"12:28","end":"13:55","startHours":12.47468582410222,"endHours":13.915996356461903,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:21","startHours":13.915996356461903,"endHours":15.357306888821585,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"16:48","startHours":15.357306888821585,"endHours":16.79861742118127,"quality":"auspicious"},{"name":"Amṛta","start":"16:48","end":"18:14","startHours":16.79861742118127,"endHours":18.23992795354095,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:14","end":"19:48","startHours":18.23992795354095,"endHours":19.798617421181266,"quality":"neutral"},{"name":"Labha","start":"19:48","end":"21:21","startHours":19.798617421181266,"endHours":21.357306888821586,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:55","startHours":21.357306888821586,"endHours":22.915996356461903,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:28","startHours":22.915996356461903,"endHours":24.47468582410222,"quality":"inauspicious"},{"name":"Śubha","start":"00:28","end":"02:02","startHours":24.47468582410222,"endHours":26.033375291742537,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:36","startHours":26.033375291742537,"endHours":27.592064759382858,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"05:09","startHours":27.592064759382858,"endHours":29.150754227023175,"quality":"inauspicious"},{"name":"Chala","start":"05:09","end":"06:43","startHours":29.150754227023175,"endHours":30.70944369466349,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.709443694663493,"endHours":7.709443694663493,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.709443694663493,"endHours":8.709443694663493,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.709443694663493,"endHours":9.709443694663493,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.709443694663493,"endHours":10.709443694663493,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.709443694663493,"endHours":11.709443694663493,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.709443694663493,"endHours":12.709443694663493,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.709443694663493,"endHours":13.709443694663493,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.709443694663493,"endHours":14.709443694663493,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.709443694663493,"endHours":15.709443694663493,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.709443694663493,"endHours":16.70944369466349,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.70944369466349,"endHours":17.70944369466349,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.70944369466349,"endHours":18.70944369466349,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.70944369466349,"endHours":19.70944369466349,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.70944369466349,"endHours":20.70944369466349,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.70944369466349,"endHours":21.70944369466349,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.70944369466349,"endHours":22.70944369466349,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.70944369466349,"endHours":23.70944369466349,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.70944369466349,"endHours":24.70944369466349,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.70944369466349,"endHours":25.70944369466349,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.70944369466349,"endHours":26.70944369466349,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.70944369466349,"endHours":27.70944369466349,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.70944369466349,"endHours":28.70944369466349,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.70944369466349,"endHours":29.70944369466349,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.70944369466349,"endHours":30.70944369466349,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.08026835823045,"eotMinutes":-9.349949446133257,"ayanamsa":26.382}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 January 15, 2181 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 15, 2181 CE for Erode, Tamil Nadu: Kṛṣṇa Amāvasyā, sūryodaya 06:43, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2181-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2181-01-15","sa":"https://sa.vidhyamitra.com/city/erode/2181-01-15","hi":"https://hi.vidhyamitra.com/city/erode/2181-01-15","x-default":"https://vidhyamitra.com/city/erode/2181-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T16:09:05.228Z","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":"2026-05-29T16:09:05.228Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T16:09:05.228Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}