{"id":"vidhyamitra:city-day:erode:2185-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2185-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2185-02-21","date_display":"February 21, 2185 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":2185,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519166.770833,"kali_year":5286,"ahargana":1930701.2708,"sun":{"sidereal_longitude":306.0888,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":201.9807,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.8919,"elapsed_within_tithi_degrees":3.8919},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9807,"elapsed_within_degrees":1.9807},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.0695},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2185,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519166.770833,"ahargana":1930701.2708,"kali_year":5286,"ayanamsa_lahiri":26.4393,"grahas":{"sun":{"sidereal_longitude":306.402862,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":200.94276200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.4291},"mars":{"sidereal_longitude":128.76816199999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":294.98026200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":232.94216200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":278.57356200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":134.573062,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":122.1555,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.1555,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2185,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519166.770833,"kali_year":5286,"ahargana":1930701.2708,"sun":{"sidereal_longitude":306.0888,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":201.9807,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.8919,"elapsed_within_tithi_degrees":3.8919},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9807,"elapsed_within_degrees":1.9807},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.0695},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.429,"elongation":104.108},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.429,"opposition_distance":75.892}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":-0.82,"elongation":2.99}]},"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":"06:38","sunsetLocal":"18:28","solarNoonLocal":"12:33","dayLengthHours":11.832316504933651,"dayLengthDisplay":"11 Hours 49 Mins 56 Secs","nightLengthDisplay":"12 Hours 10 Mins 04 Secs","moonriseLocal":"23:43","moonsetLocal":"11:20","rahuKala":{"name":"Rāhu Kāla","start":"08:07","end":"09:36","startHours":8.118232016337151,"endHours":9.597271579453857,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:33","startHours":11.076311142570564,"endHours":12.555350705687271,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:02","end":"15:31","startHours":14.034390268803977,"endHours":15.513429831920682,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:48","startHours":9.40006630437163,"endHours":9.794476854536086,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:27","startHours":7.1322056409260135,"endHours":7.447734081057577,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:57","startHours":12.160940155522816,"endHours":12.949761255851726,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:51","startHours":5.061550252562625,"endHours":5.850371352891535,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:38","startHours":5.653166077809307,"endHours":6.639192453220445,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:19","startHours":14.527403456509546,"endHours":15.316224556838456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.271508958154097,"endHours":18.671508958154096,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:58","startHours":18.471508958154097,"endHours":18.964522145859664,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.221508958154097,"endHours":19.971508958154097,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:57","startHours":24.160940155522816,"endHours":24.949761255851726,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:38","end":"08:07","startHours":6.639192453220445,"endHours":8.118232016337151,"quality":"auspicious"},{"name":"Kāla","start":"08:07","end":"09:36","startHours":8.118232016337151,"endHours":9.597271579453857,"quality":"inauspicious"},{"name":"Śubha","start":"09:36","end":"11:05","startHours":9.597271579453857,"endHours":11.076311142570564,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:33","startHours":11.076311142570564,"endHours":12.555350705687271,"quality":"inauspicious"},{"name":"Udveg","start":"12:33","end":"14:02","startHours":12.555350705687271,"endHours":14.034390268803977,"quality":"inauspicious"},{"name":"Chala","start":"14:02","end":"15:31","startHours":14.034390268803977,"endHours":15.513429831920682,"quality":"neutral"},{"name":"Labha","start":"15:31","end":"17:00","startHours":15.513429831920682,"endHours":16.99246939503739,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:28","startHours":16.99246939503739,"endHours":18.471508958154097,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"20:00","startHours":18.471508958154097,"endHours":19.99246939503739,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:31","startHours":19.99246939503739,"endHours":21.513429831920682,"quality":"auspicious"},{"name":"Amṛta","start":"21:31","end":"23:02","startHours":21.513429831920682,"endHours":23.03439026880398,"quality":"auspicious"},{"name":"Kāla","start":"23:02","end":"00:33","startHours":23.03439026880398,"endHours":24.55535070568727,"quality":"inauspicious"},{"name":"Śubha","start":"00:33","end":"02:05","startHours":24.55535070568727,"endHours":26.076311142570564,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:36","startHours":26.076311142570564,"endHours":27.59727157945386,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"05:07","startHours":27.59727157945386,"endHours":29.118232016337153,"quality":"inauspicious"},{"name":"Chala","start":"05:07","end":"06:38","startHours":29.118232016337153,"endHours":30.639192453220446,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.639192453220445,"endHours":7.639192453220445,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.639192453220445,"endHours":8.639192453220446,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.639192453220446,"endHours":9.639192453220446,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.639192453220446,"endHours":10.639192453220446,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.639192453220446,"endHours":11.639192453220446,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.639192453220446,"endHours":12.639192453220446,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.639192453220446,"endHours":13.639192453220446,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.639192453220446,"endHours":14.639192453220446,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.639192453220446,"endHours":15.639192453220446,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.639192453220446,"endHours":16.639192453220446,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.639192453220446,"endHours":17.639192453220446,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.639192453220446,"endHours":18.639192453220446,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.639192453220446,"endHours":19.639192453220446,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.639192453220446,"endHours":20.639192453220446,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.639192453220446,"endHours":21.639192453220446,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.639192453220446,"endHours":22.639192453220446,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.639192453220446,"endHours":23.639192453220446,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.639192453220446,"endHours":24.639192453220446,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.639192453220446,"endHours":25.639192453220446,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.639192453220446,"endHours":26.639192453220446,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.639192453220446,"endHours":27.639192453220446,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.639192453220446,"endHours":28.639192453220446,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.639192453220446,"endHours":29.639192453220446,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.639192453220446,"endHours":30.639192453220446,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.459608599044735,"eotMinutes":-14.189842341236304,"ayanamsa":26.4393}},"calendars":{"vikram_samvat":2242,"vikram_samvatsara":"Vilambī","saka_samvat":2107,"saka_samvatsara":"Pārthiva","bengali_samvat":1592,"malayalam_era":1361,"nanakshahi_year":716,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Saptamī · Vikram 2242 Vilambī · Śaka 2107 Pārthiva"},"festivals":[],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 February 21, 2185 CE · Erode, Tamil Nadu · Vidhyamitra","description":"February 21, 2185 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:38, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2185-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2185-02-21","sa":"https://sa.vidhyamitra.com/city/erode/2185-02-21","hi":"https://hi.vidhyamitra.com/city/erode/2185-02-21","x-default":"https://vidhyamitra.com/city/erode/2185-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:44:45.366Z","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":"2026-05-31T03:44:45.366Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:44:45.366Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}