{"id":"vidhyamitra:city-day:erode:1963-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1963-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-04-16","date_display":"April 16, 1963 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":1963,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438135.770833,"kali_year":5064,"ahargana":1849670.2708,"sun":{"sidereal_longitude":2.216,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":263.414,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.198,"elapsed_within_tithi_degrees":9.198},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.414,"elapsed_within_degrees":10.0807},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.63},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1963,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438135.770833,"ahargana":1849670.2708,"kali_year":5064,"ayanamsa_lahiri":23.3401,"grahas":{"sun":{"sidereal_longitude":2.003641000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":259.44004100000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":0.9465},"mars":{"sidereal_longitude":107.33854099999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":18.739940999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":340.200741,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":327.48134100000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":298.59824100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":95.5678,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":275.5678,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438135.770833,"kali_year":5064,"ahargana":1849670.2708,"sun":{"sidereal_longitude":2.216,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":263.414,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.198,"elapsed_within_tithi_degrees":9.198},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":263.414,"elapsed_within_degrees":10.0807},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.63},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.946,"elongation":98.802},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.946,"opposition_distance":81.198}},"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":"06:08","sunsetLocal":"18:31","solarNoonLocal":"12:19","dayLengthHours":12.37982792169801,"dayLengthDisplay":"12 Hours 22 Mins 47 Secs","nightLengthDisplay":"11 Hours 37 Mins 13 Secs","moonriseLocal":"23:46","moonsetLocal":"11:12","rahuKala":{"name":"Rāhu Kāla","start":"15:25","end":"16:58","startHours":15.413555461814529,"endHours":16.961033952026778,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:13","end":"10:46","startHours":9.223641500965524,"endHours":10.771119991177773,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:52","startHours":12.318598481390026,"endHours":13.866076971602276,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:26","startHours":9.017311035603889,"endHours":9.429971966327157,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.6445106839451045,"endHours":6.974639428523718,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:44","startHours":11.90593755066676,"endHours":12.731259412113292,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:18","startHours":4.478040797647953,"endHours":5.3033626590944865,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:08","startHours":5.097032193732853,"endHours":6.128684520541021,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:12","startHours":14.381903135006361,"endHours":15.207224996452895,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.30851244223903,"endHours":18.70851244223903,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.50851244223903,"endHours":19.024338605643116,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.25851244223903,"endHours":20.00851244223903,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:44","startHours":23.90593755066676,"endHours":24.731259412113292,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:08","end":"07:41","startHours":6.128684520541021,"endHours":7.676163010753272,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:13","startHours":7.676163010753272,"endHours":9.223641500965524,"quality":"inauspicious"},{"name":"Chala","start":"09:13","end":"10:46","startHours":9.223641500965524,"endHours":10.771119991177773,"quality":"neutral"},{"name":"Labha","start":"10:46","end":"12:19","startHours":10.771119991177773,"endHours":12.318598481390026,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:52","startHours":12.318598481390026,"endHours":13.866076971602276,"quality":"auspicious"},{"name":"Kāla","start":"13:52","end":"15:25","startHours":13.866076971602276,"endHours":15.413555461814529,"quality":"inauspicious"},{"name":"Śubha","start":"15:25","end":"16:58","startHours":15.413555461814529,"endHours":16.961033952026778,"quality":"auspicious"},{"name":"Roga","start":"16:58","end":"18:31","startHours":16.961033952026778,"endHours":18.50851244223903,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:31","end":"19:58","startHours":18.50851244223903,"endHours":19.96103395202678,"quality":"inauspicious"},{"name":"Śubha","start":"19:58","end":"21:25","startHours":19.96103395202678,"endHours":21.41355546181453,"quality":"auspicious"},{"name":"Roga","start":"21:25","end":"22:52","startHours":21.41355546181453,"endHours":22.866076971602276,"quality":"inauspicious"},{"name":"Udveg","start":"22:52","end":"00:19","startHours":22.866076971602276,"endHours":24.318598481390026,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:46","startHours":24.318598481390026,"endHours":25.771119991177777,"quality":"neutral"},{"name":"Labha","start":"01:46","end":"03:13","startHours":25.771119991177777,"endHours":27.223641500965524,"quality":"auspicious"},{"name":"Amṛta","start":"03:13","end":"04:41","startHours":27.223641500965524,"endHours":28.67616301075327,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:08","startHours":28.67616301075327,"endHours":30.12868452054102,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.128684520541021,"endHours":7.128684520541021,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.128684520541021,"endHours":8.128684520541022,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.128684520541022,"endHours":9.128684520541022,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.128684520541022,"endHours":10.128684520541022,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.128684520541022,"endHours":11.128684520541022,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.128684520541022,"endHours":12.128684520541022,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.128684520541022,"endHours":13.128684520541022,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.128684520541022,"endHours":14.128684520541022,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.128684520541022,"endHours":15.128684520541022,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.128684520541022,"endHours":16.12868452054102,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.12868452054102,"endHours":17.12868452054102,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.12868452054102,"endHours":18.12868452054102,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.12868452054102,"endHours":19.12868452054102,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.12868452054102,"endHours":20.12868452054102,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.12868452054102,"endHours":21.12868452054102,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.12868452054102,"endHours":22.12868452054102,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.12868452054102,"endHours":23.12868452054102,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.12868452054102,"endHours":24.12868452054102,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.12868452054102,"endHours":25.12868452054102,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.12868452054102,"endHours":26.12868452054102,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.12868452054102,"endHours":27.12868452054102,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.12868452054102,"endHours":28.12868452054102,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.12868452054102,"endHours":29.12868452054102,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.12868452054102,"endHours":30.12868452054102,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.802271151633787,"eotMinutes":0.015291116598477705,"ayanamsa":23.3401}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Saptamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 April 16, 1963 CE · Erode, Tamil Nadu · Vidhyamitra","description":"April 16, 1963 CE for Erode, Tamil Nadu: Kṛṣṇa Saptamī, sūryodaya 06:08, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1963-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1963-04-16","sa":"https://sa.vidhyamitra.com/city/erode/1963-04-16","hi":"https://hi.vidhyamitra.com/city/erode/1963-04-16","x-default":"https://vidhyamitra.com/city/erode/1963-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T02:01:45.471Z","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":"2026-05-20T02:01:45.471Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T02:01:45.471Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}