{"id":"vidhyamitra:city-day:ranchi:2015-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2015-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-04-18","date_display":"April 18, 2015 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":2015,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457130.770833,"kali_year":5117,"ahargana":1868665.2708,"sun":{"sidereal_longitude":3.7213,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":354.848,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.1267,"elapsed_within_tithi_degrees":3.1267},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.848,"elapsed_within_degrees":8.1813},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.5692},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":2015,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457130.770833,"ahargana":1868665.2708,"kali_year":5117,"ayanamsa_lahiri":24.0666,"grahas":{"sun":{"sidereal_longitude":3.636392999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":353.365193,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-0.4486},"mars":{"sidereal_longitude":18.422192999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":12.09939300000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":107.88309299999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":43.20239300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.69039299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":169.1213,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":349.1213,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"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":2015,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457130.770833,"kali_year":5117,"ahargana":1868665.2708,"sun":{"sidereal_longitude":3.7213,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":354.848,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.1267,"elapsed_within_tithi_degrees":3.1267},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.848,"elapsed_within_degrees":8.1813},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.5692},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.449,"elongation":8.873},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.449,"opposition_distance":171.127}},"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":"05:26","sunsetLocal":"18:11","solarNoonLocal":"11:48","dayLengthHours":12.744587061523294,"dayLengthDisplay":"12 Hours 44 Mins 41 Secs","nightLengthDisplay":"11 Hours 15 Mins 19 Secs","moonriseLocal":"04:53","moonsetLocal":"17:22","rahuKala":{"name":"Rāhu Kāla","start":"08:37","end":"10:13","startHours":8.618115186354451,"endHours":10.211188569044864,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:24","end":"14:59","startHours":13.397335334425687,"endHours":14.9904087171161,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:26","end":"07:02","startHours":5.431968420973629,"endHours":7.02504180366404,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:24","end":"08:50","startHours":8.40570540199573,"endHours":8.830524970713174,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:18","startHours":5.9629928818704325,"endHours":6.302848536844387,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:14","startHours":11.379442383017834,"endHours":12.229081520452718,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:35","startHours":3.732690146103856,"endHours":4.582329283538742,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:26","startHours":4.369919499180021,"endHours":5.431968420973629,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:47","startHours":13.928359795322491,"endHours":14.777998932757377,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.976555482496924,"endHours":18.376555482496922,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:42","startHours":18.176555482496923,"endHours":18.70757994339373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.926555482496923,"endHours":19.676555482496923,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:14","startHours":23.379442383017835,"endHours":24.22908152045272,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:26","end":"07:02","startHours":5.431968420973629,"endHours":7.02504180366404,"quality":"inauspicious"},{"name":"Śubha","start":"07:02","end":"08:37","startHours":7.02504180366404,"endHours":8.618115186354451,"quality":"auspicious"},{"name":"Roga","start":"08:37","end":"10:13","startHours":8.618115186354451,"endHours":10.211188569044864,"quality":"inauspicious"},{"name":"Udveg","start":"10:13","end":"11:48","startHours":10.211188569044864,"endHours":11.804261951735276,"quality":"inauspicious"},{"name":"Chala","start":"11:48","end":"13:24","startHours":11.804261951735276,"endHours":13.397335334425687,"quality":"neutral"},{"name":"Labha","start":"13:24","end":"14:59","startHours":13.397335334425687,"endHours":14.9904087171161,"quality":"auspicious"},{"name":"Amṛta","start":"14:59","end":"16:35","startHours":14.9904087171161,"endHours":16.58348209980651,"quality":"auspicious"},{"name":"Kāla","start":"16:35","end":"18:11","startHours":16.58348209980651,"endHours":18.176555482496923,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:11","end":"19:35","startHours":18.176555482496923,"endHours":19.58348209980651,"quality":"auspicious"},{"name":"Amṛta","start":"19:35","end":"20:59","startHours":19.58348209980651,"endHours":20.9904087171161,"quality":"auspicious"},{"name":"Kāla","start":"20:59","end":"22:24","startHours":20.9904087171161,"endHours":22.397335334425687,"quality":"inauspicious"},{"name":"Śubha","start":"22:24","end":"23:48","startHours":22.397335334425687,"endHours":23.804261951735278,"quality":"auspicious"},{"name":"Roga","start":"23:48","end":"01:13","startHours":23.804261951735278,"endHours":25.211188569044864,"quality":"inauspicious"},{"name":"Udveg","start":"01:13","end":"02:37","startHours":25.211188569044864,"endHours":26.61811518635445,"quality":"inauspicious"},{"name":"Chala","start":"02:37","end":"04:02","startHours":26.61811518635445,"endHours":28.02504180366404,"quality":"neutral"},{"name":"Labha","start":"04:02","end":"05:26","startHours":28.02504180366404,"endHours":29.43196842097363,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:26","end":"06:26","startHours":5.431968420973629,"endHours":6.431968420973629,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:26","end":"07:26","startHours":6.431968420973629,"endHours":7.431968420973629,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:26","end":"08:26","startHours":7.431968420973629,"endHours":8.431968420973629,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:26","end":"09:26","startHours":8.431968420973629,"endHours":9.431968420973629,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:26","end":"10:26","startHours":9.431968420973629,"endHours":10.431968420973629,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:26","end":"11:26","startHours":10.431968420973629,"endHours":11.431968420973629,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:26","end":"12:26","startHours":11.431968420973629,"endHours":12.431968420973629,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:26","end":"13:26","startHours":12.431968420973629,"endHours":13.431968420973629,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:26","end":"14:26","startHours":13.431968420973629,"endHours":14.431968420973629,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:26","end":"15:26","startHours":14.431968420973629,"endHours":15.431968420973629,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:26","end":"16:26","startHours":15.431968420973629,"endHours":16.43196842097363,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:26","end":"17:26","startHours":16.43196842097363,"endHours":17.43196842097363,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:26","end":"18:26","startHours":17.43196842097363,"endHours":18.43196842097363,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:26","end":"19:26","startHours":18.43196842097363,"endHours":19.43196842097363,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:26","end":"20:26","startHours":19.43196842097363,"endHours":20.43196842097363,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:26","end":"21:26","startHours":20.43196842097363,"endHours":21.43196842097363,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:26","end":"22:26","startHours":21.43196842097363,"endHours":22.43196842097363,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:26","end":"23:26","startHours":22.43196842097363,"endHours":23.43196842097363,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:26","end":"00:26","startHours":23.43196842097363,"endHours":24.43196842097363,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:26","end":"01:26","startHours":24.43196842097363,"endHours":25.43196842097363,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:26","end":"02:26","startHours":25.43196842097363,"endHours":26.43196842097363,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:26","end":"03:26","startHours":26.43196842097363,"endHours":27.43196842097363,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:26","end":"04:26","startHours":27.43196842097363,"endHours":28.43196842097363,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:26","end":"05:26","startHours":28.43196842097363,"endHours":29.43196842097363,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.655370224843619,"eotMinutes":0.5058828958834352,"ayanamsa":24.0666}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Amāvasyā · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"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":"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 April 18, 2015 CE · Ranchi, Jharkhand · Vidhyamitra","description":"April 18, 2015 CE for Ranchi, Jharkhand: Kṛṣṇa Amāvasyā, sūryodaya 05:26, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2015-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2015-04-18","sa":"https://sa.vidhyamitra.com/city/ranchi/2015-04-18","hi":"https://hi.vidhyamitra.com/city/ranchi/2015-04-18","x-default":"https://vidhyamitra.com/city/ranchi/2015-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:24:39.012Z","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":"2026-05-15T08:24:39.012Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:24:39.012Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}