{"id":"vidhyamitra:city-day:ranchi:1978-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1978-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-05-18","date_display":"May 18, 1978 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":1978,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443646.770833,"kali_year":5080,"ahargana":1855181.2708,"sun":{"sidereal_longitude":33.2249,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":156.1427,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.9178,"elapsed_within_tithi_degrees":2.9178},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1427,"elapsed_within_degrees":9.476},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.3676},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1978,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443646.770833,"ahargana":1855181.2708,"kali_year":5080,"ayanamsa_lahiri":23.5509,"grahas":{"sun":{"sidereal_longitude":33.20948099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":154.66438100000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-0.581},"mars":{"sidereal_longitude":112.65668099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":8.792281000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":72.45358099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":61.90048100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":120.44068099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":163.5685,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.5685,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"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":1978,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443646.770833,"kali_year":5080,"ahargana":1855181.2708,"sun":{"sidereal_longitude":33.2249,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":156.1427,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.9178,"elapsed_within_tithi_degrees":2.9178},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1427,"elapsed_within_degrees":9.476},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.3676},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.581,"elongation":122.918},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.581,"opposition_distance":57.082}},"eclipse_window_40days":[]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"05:06","sunsetLocal":"18:24","solarNoonLocal":"11:45","dayLengthHours":13.297519807065378,"dayLengthDisplay":"13 Hours 17 Mins 51 Secs","nightLengthDisplay":"10 Hours 42 Mins 09 Secs","moonriseLocal":"13:47","moonsetLocal":"01:55","rahuKala":{"name":"Rāhu Kāla","start":"13:25","end":"15:05","startHours":13.413396939375346,"endHours":15.075586915258516,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:06","end":"06:46","startHours":5.102447059959483,"endHours":6.7646370358426555,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:26","end":"10:05","startHours":8.426827011725827,"endHours":10.089016987609,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:12","end":"08:39","startHours":8.205201681608072,"endHours":8.648452341843583,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:39","end":"06:01","startHours":5.656510385253874,"endHours":6.011110913442284,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:12","startHours":11.30795630325666,"endHours":12.194457623727686,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:20","end":"04:13","startHours":3.329444419017433,"endHours":4.2159457394884585,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:00","end":"05:06","startHours":3.994320409370702,"endHours":5.102447059959483,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:51","startHours":13.967460264669736,"endHours":14.85396158514076,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.199966867024862,"endHours":18.59996686702486,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:57","startHours":18.39996686702486,"endHours":18.95403019231925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.14996686702486,"endHours":19.89996686702486,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:12","startHours":23.30795630325666,"endHours":24.194457623727686,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:06","end":"06:46","startHours":5.102447059959483,"endHours":6.7646370358426555,"quality":"auspicious"},{"name":"Roga","start":"06:46","end":"08:26","startHours":6.7646370358426555,"endHours":8.426827011725827,"quality":"inauspicious"},{"name":"Udveg","start":"08:26","end":"10:05","startHours":8.426827011725827,"endHours":10.089016987609,"quality":"inauspicious"},{"name":"Chala","start":"10:05","end":"11:45","startHours":10.089016987609,"endHours":11.751206963492173,"quality":"neutral"},{"name":"Labha","start":"11:45","end":"13:25","startHours":11.751206963492173,"endHours":13.413396939375346,"quality":"auspicious"},{"name":"Amṛta","start":"13:25","end":"15:05","startHours":13.413396939375346,"endHours":15.075586915258516,"quality":"auspicious"},{"name":"Kāla","start":"15:05","end":"16:44","startHours":15.075586915258516,"endHours":16.73777689114169,"quality":"inauspicious"},{"name":"Śubha","start":"16:44","end":"18:24","startHours":16.73777689114169,"endHours":18.39996686702486,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:24","end":"19:44","startHours":18.39996686702486,"endHours":19.73777689114169,"quality":"auspicious"},{"name":"Kāla","start":"19:44","end":"21:05","startHours":19.73777689114169,"endHours":21.07558691525852,"quality":"inauspicious"},{"name":"Śubha","start":"21:05","end":"22:25","startHours":21.07558691525852,"endHours":22.413396939375346,"quality":"auspicious"},{"name":"Roga","start":"22:25","end":"23:45","startHours":22.413396939375346,"endHours":23.751206963492173,"quality":"inauspicious"},{"name":"Udveg","start":"23:45","end":"01:05","startHours":23.751206963492173,"endHours":25.089016987609,"quality":"inauspicious"},{"name":"Chala","start":"01:05","end":"02:26","startHours":25.089016987609,"endHours":26.426827011725827,"quality":"neutral"},{"name":"Labha","start":"02:26","end":"03:46","startHours":26.426827011725827,"endHours":27.764637035842657,"quality":"auspicious"},{"name":"Amṛta","start":"03:46","end":"05:06","startHours":27.764637035842657,"endHours":29.102447059959484,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:06","end":"06:06","startHours":5.102447059959483,"endHours":6.102447059959483,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:06","end":"07:06","startHours":6.102447059959483,"endHours":7.102447059959483,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:06","end":"08:06","startHours":7.102447059959483,"endHours":8.102447059959484,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:06","end":"09:06","startHours":8.102447059959484,"endHours":9.102447059959484,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:06","end":"10:06","startHours":9.102447059959484,"endHours":10.102447059959484,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:06","end":"11:06","startHours":10.102447059959484,"endHours":11.102447059959484,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:06","end":"12:06","startHours":11.102447059959484,"endHours":12.102447059959484,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:06","end":"13:06","startHours":12.102447059959484,"endHours":13.102447059959484,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:06","end":"14:06","startHours":13.102447059959484,"endHours":14.102447059959484,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:06","end":"15:06","startHours":14.102447059959484,"endHours":15.102447059959484,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:06","end":"16:06","startHours":15.102447059959484,"endHours":16.102447059959484,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:06","end":"17:06","startHours":16.102447059959484,"endHours":17.102447059959484,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:06","end":"18:06","startHours":17.102447059959484,"endHours":18.102447059959484,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:06","end":"19:06","startHours":18.102447059959484,"endHours":19.102447059959484,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:06","end":"20:06","startHours":19.102447059959484,"endHours":20.102447059959484,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:06","end":"21:06","startHours":20.102447059959484,"endHours":21.102447059959484,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:06","end":"22:06","startHours":21.102447059959484,"endHours":22.102447059959484,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:06","end":"23:06","startHours":22.102447059959484,"endHours":23.102447059959484,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:06","end":"00:06","startHours":23.102447059959484,"endHours":24.102447059959484,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:06","end":"01:06","startHours":24.102447059959484,"endHours":25.102447059959484,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:06","end":"02:06","startHours":25.102447059959484,"endHours":26.102447059959484,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:06","end":"03:06","startHours":26.102447059959484,"endHours":27.102447059959484,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:06","end":"04:06","startHours":27.102447059959484,"endHours":28.102447059959484,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:06","end":"05:06","startHours":28.102447059959484,"endHours":29.102447059959484,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.43016405385581,"eotMinutes":3.6891821904695723,"ayanamsa":23.5509}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"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 Ekādaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ranchi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 18, 1978 CE · Ranchi, Jharkhand · Vidhyamitra","description":"May 18, 1978 CE for Ranchi, Jharkhand: Śukla Ekādaśī, sūryodaya 05:06, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1978-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1978-05-18","sa":"https://sa.vidhyamitra.com/city/ranchi/1978-05-18","hi":"https://hi.vidhyamitra.com/city/ranchi/1978-05-18","x-default":"https://vidhyamitra.com/city/ranchi/1978-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:08:13.553Z","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":"2026-06-01T12:08:13.553Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:08:13.553Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}