{"id":"vidhyamitra:city-day:erode:1850-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1850-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-05-20","date_display":"May 20, 1850 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":1850,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2396897.770833,"kali_year":4952,"ahargana":1808432.2708,"sun":{"sidereal_longitude":37.1649,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":143.7182,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.5532,"elapsed_within_tithi_degrees":10.5532},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.7182,"elapsed_within_degrees":10.3849},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.8831},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":1850,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2396897.770833,"ahargana":1808432.2708,"kali_year":4952,"ayanamsa_lahiri":21.7629,"grahas":{"sun":{"sidereal_longitude":36.87363600000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":144.60213599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":1.7685},"mars":{"sidereal_longitude":103.001936,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":60.67283600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":143.37073599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":58.86213600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":356.619936,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":120.5555,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.5555,"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":1850,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2396897.770833,"kali_year":4952,"ahargana":1808432.2708,"sun":{"sidereal_longitude":37.1649,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":143.7182,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":106.5532,"elapsed_within_tithi_degrees":10.5532},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":143.7182,"elapsed_within_degrees":10.3849},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.8831},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.769,"elongation":106.553},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.769,"opposition_distance":73.447}},"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":"05:55","sunsetLocal":"18:36","solarNoonLocal":"12:16","dayLengthHours":12.674551058487737,"dayLengthDisplay":"12 Hours 40 Mins 28 Secs","nightLengthDisplay":"11 Hours 19 Mins 32 Secs","moonriseLocal":"13:20","moonsetLocal":"01:33","rahuKala":{"name":"Rāhu Kāla","start":"07:30","end":"09:05","startHours":7.505924802797346,"endHours":9.090243685108312,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:16","startHours":10.67456256741928,"endHours":12.258881449730247,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:26","startHours":13.843200332041214,"endHours":15.42751921435218,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.87900116746685,"endHours":9.301486202749775,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4497122145900345,"endHours":6.787700242816374,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:41","startHours":11.836396414447321,"endHours":12.681366485013172,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:05","startHours":4.231665779354681,"endHours":5.07663584992053,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:55","startHours":4.8653933322790675,"endHours":5.921605920486379,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.371306626144868,"endHours":15.216276696710716,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.396156978974116,"endHours":18.796156978974114,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.596156978974115,"endHours":19.12426327307777,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.346156978974115,"endHours":20.096156978974115,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:41","startHours":23.83639641444732,"endHours":24.68136648501317,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:55","end":"07:30","startHours":5.921605920486379,"endHours":7.505924802797346,"quality":"auspicious"},{"name":"Kāla","start":"07:30","end":"09:05","startHours":7.505924802797346,"endHours":9.090243685108312,"quality":"inauspicious"},{"name":"Śubha","start":"09:05","end":"10:40","startHours":9.090243685108312,"endHours":10.67456256741928,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:16","startHours":10.67456256741928,"endHours":12.258881449730247,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:51","startHours":12.258881449730247,"endHours":13.843200332041214,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:26","startHours":13.843200332041214,"endHours":15.42751921435218,"quality":"neutral"},{"name":"Labha","start":"15:26","end":"17:01","startHours":15.42751921435218,"endHours":17.011838096663148,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:36","startHours":17.011838096663148,"endHours":18.596156978974115,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:36","end":"20:01","startHours":18.596156978974115,"endHours":20.011838096663148,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:26","startHours":20.011838096663148,"endHours":21.42751921435218,"quality":"auspicious"},{"name":"Amṛta","start":"21:26","end":"22:51","startHours":21.42751921435218,"endHours":22.843200332041214,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:16","startHours":22.843200332041214,"endHours":24.258881449730247,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:40","startHours":24.258881449730247,"endHours":25.67456256741928,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:05","startHours":25.67456256741928,"endHours":27.090243685108312,"quality":"inauspicious"},{"name":"Udveg","start":"03:05","end":"04:30","startHours":27.090243685108312,"endHours":28.505924802797345,"quality":"inauspicious"},{"name":"Chala","start":"04:30","end":"05:55","startHours":28.505924802797345,"endHours":29.92160592048638,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.921605920486379,"endHours":6.921605920486379,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.921605920486379,"endHours":7.921605920486379,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.921605920486379,"endHours":8.921605920486378,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.921605920486378,"endHours":9.921605920486378,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.921605920486378,"endHours":10.921605920486378,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.921605920486378,"endHours":11.921605920486378,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.921605920486378,"endHours":12.921605920486378,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.921605920486378,"endHours":13.921605920486378,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.921605920486378,"endHours":14.921605920486378,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.921605920486378,"endHours":15.921605920486378,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.921605920486378,"endHours":16.92160592048638,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.92160592048638,"endHours":17.92160592048638,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.92160592048638,"endHours":18.92160592048638,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.92160592048638,"endHours":19.92160592048638,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.92160592048638,"endHours":20.92160592048638,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.92160592048638,"endHours":21.92160592048638,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.92160592048638,"endHours":22.92160592048638,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.92160592048638,"endHours":23.92160592048638,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.92160592048638,"endHours":24.92160592048638,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.92160592048638,"endHours":25.92160592048638,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.92160592048638,"endHours":26.92160592048638,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.92160592048638,"endHours":27.92160592048638,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.92160592048638,"endHours":28.92160592048638,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.92160592048638,"endHours":29.92160592048638,"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.853537135474483,"eotMinutes":3.5983130161851964,"ayanamsa":21.7629}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Navamī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[{"id":"sita-navami","name":"Sītā Navamī","name_sanskrit":"सीता नवमी","tradition":"Vaishnava","associated_deity":"Sītā Devī (Lakṣmī as Bhū-suta)","significance":"Devī Sītā's manifestation in Mithilā; rāmāvatāra-kalatra.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 66"]},{"id":"madhva-jayanti","name":"Madhvācārya Jayantī","name_sanskrit":"मध्वाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Madhvācārya (Dvaita)","significance":"Birth of Madhvācārya; Dvaita-pratiṣṭhāpaka. Vaiśākha Śukla 9.","vrata":false,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Sītā Navamī · Madhvācārya Jayantī is not live yet; 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 May 20, 1850 CE · Erode, Tamil Nadu · Vidhyamitra","description":"May 20, 1850 CE for Erode, Tamil Nadu: Śukla Navamī, sūryodaya 05:55, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1850-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1850-05-20","sa":"https://sa.vidhyamitra.com/city/erode/1850-05-20","hi":"https://hi.vidhyamitra.com/city/erode/1850-05-20","x-default":"https://vidhyamitra.com/city/erode/1850-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-30T16:47:26.098Z","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":"2026-06-30T16:47:26.098Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-30T16:47:26.098Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","Divyāṁśa-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}