{"id":"vidhyamitra:city-day:erode:2172-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2172-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-01-18","date_display":"January 18, 2172 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":2172,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514383.770833,"kali_year":5273,"ahargana":1925918.2708,"sun":{"sidereal_longitude":270.7225,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.2041,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.4816,"elapsed_within_tithi_degrees":11.4816},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.2041,"elapsed_within_degrees":0.8708},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.9266},"karana":{"half_tithi_index":43,"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":2172,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514383.770833,"ahargana":1925918.2708,"kali_year":5273,"ayanamsa_lahiri":26.2563,"grahas":{"sun":{"sidereal_longitude":271.23740699999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":172.76230699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":1.6389},"mars":{"sidereal_longitude":173.330607,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":282.078307,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":197.49030700000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":314.287607,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":317.28950699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":15.5818,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":195.5818,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2172,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514383.770833,"kali_year":5273,"ahargana":1925918.2708,"sun":{"sidereal_longitude":270.7225,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":174.2041,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":263.4816,"elapsed_within_tithi_degrees":11.4816},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.2041,"elapsed_within_degrees":0.8708},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.9266},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.639,"elongation":96.518},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.639,"opposition_distance":83.482}},"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":"18:16","solarNoonLocal":"12:29","dayLengthHours":11.543056407645913,"dayLengthDisplay":"11 Hours 32 Mins 35 Secs","nightLengthDisplay":"12 Hours 27 Mins 25 Secs","moonriseLocal":"23:59","moonsetLocal":"11:52","rahuKala":{"name":"Rāhu Kāla","start":"09:36","end":"11:03","startHours":9.605576391116683,"endHours":11.048458442072423,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:23","startHours":13.9342225439839,"endHours":15.37710459493964,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:43","end":"08:10","startHours":6.719812289205205,"endHours":8.162694340160943,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:48","startHours":9.413192117655917,"endHours":9.797960664577449,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:31","startHours":7.200772972857118,"endHours":7.508587810394342,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:53","startHours":12.106571946106632,"endHours":12.876109039949691,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.180738101519083,"endHours":5.950275195362144,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:43","startHours":5.757890921901379,"endHours":6.719812289205205,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.415183227635815,"endHours":15.184720321478876,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.06286869685112,"endHours":18.462868696851118,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:45","startHours":18.26286869685112,"endHours":18.74382938050303,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.01286869685112,"endHours":19.76286869685112,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:53","startHours":24.10657194610663,"endHours":24.876109039949693,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:43","end":"08:10","startHours":6.719812289205205,"endHours":8.162694340160943,"quality":"inauspicious"},{"name":"Śubha","start":"08:10","end":"09:36","startHours":8.162694340160943,"endHours":9.605576391116683,"quality":"auspicious"},{"name":"Roga","start":"09:36","end":"11:03","startHours":9.605576391116683,"endHours":11.048458442072423,"quality":"inauspicious"},{"name":"Udveg","start":"11:03","end":"12:29","startHours":11.048458442072423,"endHours":12.491340493028162,"quality":"inauspicious"},{"name":"Chala","start":"12:29","end":"13:56","startHours":12.491340493028162,"endHours":13.9342225439839,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:23","startHours":13.9342225439839,"endHours":15.37710459493964,"quality":"auspicious"},{"name":"Amṛta","start":"15:23","end":"16:49","startHours":15.37710459493964,"endHours":16.81998664589538,"quality":"auspicious"},{"name":"Kāla","start":"16:49","end":"18:16","startHours":16.81998664589538,"endHours":18.26286869685112,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:16","end":"19:49","startHours":18.26286869685112,"endHours":19.81998664589538,"quality":"auspicious"},{"name":"Amṛta","start":"19:49","end":"21:23","startHours":19.81998664589538,"endHours":21.377104594939638,"quality":"auspicious"},{"name":"Kāla","start":"21:23","end":"22:56","startHours":21.377104594939638,"endHours":22.9342225439839,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:29","startHours":22.9342225439839,"endHours":24.49134049302816,"quality":"auspicious"},{"name":"Roga","start":"00:29","end":"02:03","startHours":24.49134049302816,"endHours":26.048458442072423,"quality":"inauspicious"},{"name":"Udveg","start":"02:03","end":"03:36","startHours":26.048458442072423,"endHours":27.605576391116685,"quality":"inauspicious"},{"name":"Chala","start":"03:36","end":"05:10","startHours":27.605576391116685,"endHours":29.162694340160943,"quality":"neutral"},{"name":"Labha","start":"05:10","end":"06:43","startHours":29.162694340160943,"endHours":30.719812289205205,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:43","end":"07:43","startHours":6.719812289205205,"endHours":7.719812289205205,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:43","end":"08:43","startHours":7.719812289205205,"endHours":8.719812289205205,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:43","end":"09:43","startHours":8.719812289205205,"endHours":9.719812289205205,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:43","end":"10:43","startHours":9.719812289205205,"endHours":10.719812289205205,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:43","end":"11:43","startHours":10.719812289205205,"endHours":11.719812289205205,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:43","end":"12:43","startHours":11.719812289205205,"endHours":12.719812289205205,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:43","end":"13:43","startHours":12.719812289205205,"endHours":13.719812289205205,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:43","end":"14:43","startHours":13.719812289205205,"endHours":14.719812289205205,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:43","end":"15:43","startHours":14.719812289205205,"endHours":15.719812289205205,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:43","end":"16:43","startHours":15.719812289205205,"endHours":16.719812289205205,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:43","end":"17:43","startHours":16.719812289205205,"endHours":17.719812289205205,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:43","end":"18:43","startHours":17.719812289205205,"endHours":18.719812289205205,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:43","end":"19:43","startHours":18.719812289205205,"endHours":19.719812289205205,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:43","end":"20:43","startHours":19.719812289205205,"endHours":20.719812289205205,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:43","end":"21:43","startHours":20.719812289205205,"endHours":21.719812289205205,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:43","end":"22:43","startHours":21.719812289205205,"endHours":22.719812289205205,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:43","end":"23:43","startHours":22.719812289205205,"endHours":23.719812289205205,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:43","end":"00:43","startHours":23.719812289205205,"endHours":24.719812289205205,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:43","end":"01:43","startHours":24.719812289205205,"endHours":25.719812289205205,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:43","end":"02:43","startHours":25.719812289205205,"endHours":26.719812289205205,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:43","end":"03:43","startHours":26.719812289205205,"endHours":27.719812289205205,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:43","end":"04:43","startHours":27.719812289205205,"endHours":28.719812289205205,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:43","end":"05:43","startHours":28.719812289205205,"endHours":29.719812289205205,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:43","end":"06:43","startHours":29.719812289205205,"endHours":30.719812289205205,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.65947806171001,"eotMinutes":-10.349229581689698,"ayanamsa":26.2563}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[],"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 18, 2172 CE · Erode, Tamil Nadu · Vidhyamitra","description":"January 18, 2172 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:43, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2172-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2172-01-18","sa":"https://sa.vidhyamitra.com/city/erode/2172-01-18","hi":"https://hi.vidhyamitra.com/city/erode/2172-01-18","x-default":"https://vidhyamitra.com/city/erode/2172-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-29T20:46:56.043Z","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":"2026-05-29T20:46:56.043Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-29T20:46:56.043Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}