{"id":"vidhyamitra:city-day:ranchi:2017-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2017-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-05-21","date_display":"May 21, 2017 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":2017,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457894.770833,"kali_year":5119,"ahargana":1869429.2708,"sun":{"sidereal_longitude":36.0066,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":333.5291,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.5226,"elapsed_within_tithi_degrees":9.5226},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.5291,"elapsed_within_degrees":0.1958},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.5357},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2017,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457894.770833,"ahargana":1869429.2708,"kali_year":5119,"ayanamsa_lahiri":24.0959,"grahas":{"sun":{"sidereal_longitude":36.10090200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":330.73470199999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-1.8922},"mars":{"sidereal_longitude":55.880402000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":10.330001999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.28230199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":350.737702,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":242.019402,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":128.6409,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.6409,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457894.770833,"kali_year":5119,"ahargana":1869429.2708,"sun":{"sidereal_longitude":36.0066,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":333.5291,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.5226,"elapsed_within_tithi_degrees":9.5226},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.5291,"elapsed_within_degrees":0.1958},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.5357},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.892,"elongation":62.477},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.892,"opposition_distance":117.523}},"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":"05:05","sunsetLocal":"18:26","solarNoonLocal":"11:45","dayLengthHours":13.348263712582785,"dayLengthDisplay":"13 Hours 20 Mins 54 Secs","nightLengthDisplay":"10 Hours 39 Mins 06 Secs","moonriseLocal":"01:25","moonsetLocal":"13:23","rahuKala":{"name":"Rāhu Kāla","start":"16:46","end":"18:26","startHours":16.75930192917724,"endHours":18.42783489325009,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:45","end":"13:25","startHours":11.753703036958697,"endHours":13.422236001031546,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:05","end":"16:46","startHours":15.090768965104393,"endHours":16.75930192917724,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:12","end":"08:38","startHours":8.19416604693662,"endHours":8.639108170689381,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:38","end":"06:00","startHours":5.635748835358254,"endHours":5.991702534360462,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:12","startHours":11.308760913205937,"endHours":12.198645160711457,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:18","end":"04:11","startHours":3.2998026856562666,"endHours":4.189686933161786,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:05","startHours":3.967215871285406,"endHours":5.079571180667305,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:52","startHours":13.978413655722495,"endHours":14.868297903228013,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.22783489325009,"endHours":18.62783489325009,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:59","startHours":18.42783489325009,"endHours":18.984012547941038,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.17783489325009,"endHours":19.92783489325009,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:12","startHours":23.308760913205937,"endHours":24.198645160711457,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:05","end":"06:45","startHours":5.079571180667305,"endHours":6.748104144740153,"quality":"inauspicious"},{"name":"Chala","start":"06:45","end":"08:25","startHours":6.748104144740153,"endHours":8.416637108813001,"quality":"neutral"},{"name":"Labha","start":"08:25","end":"10:05","startHours":8.416637108813001,"endHours":10.085170072885848,"quality":"auspicious"},{"name":"Amṛta","start":"10:05","end":"11:45","startHours":10.085170072885848,"endHours":11.753703036958697,"quality":"auspicious"},{"name":"Kāla","start":"11:45","end":"13:25","startHours":11.753703036958697,"endHours":13.422236001031546,"quality":"inauspicious"},{"name":"Śubha","start":"13:25","end":"15:05","startHours":13.422236001031546,"endHours":15.090768965104393,"quality":"auspicious"},{"name":"Roga","start":"15:05","end":"16:46","startHours":15.090768965104393,"endHours":16.75930192917724,"quality":"inauspicious"},{"name":"Udveg","start":"16:46","end":"18:26","startHours":16.75930192917724,"endHours":18.42783489325009,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:26","end":"19:46","startHours":18.42783489325009,"endHours":19.75930192917724,"quality":"auspicious"},{"name":"Roga","start":"19:46","end":"21:05","startHours":19.75930192917724,"endHours":21.090768965104395,"quality":"inauspicious"},{"name":"Udveg","start":"21:05","end":"22:25","startHours":21.090768965104395,"endHours":22.422236001031546,"quality":"inauspicious"},{"name":"Chala","start":"22:25","end":"23:45","startHours":22.422236001031546,"endHours":23.753703036958697,"quality":"neutral"},{"name":"Labha","start":"23:45","end":"01:05","startHours":23.753703036958697,"endHours":25.085170072885848,"quality":"auspicious"},{"name":"Amṛta","start":"01:05","end":"02:25","startHours":25.085170072885848,"endHours":26.416637108813,"quality":"auspicious"},{"name":"Kāla","start":"02:25","end":"03:45","startHours":26.416637108813,"endHours":27.748104144740154,"quality":"inauspicious"},{"name":"Śubha","start":"03:45","end":"05:05","startHours":27.748104144740154,"endHours":29.079571180667305,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:05","end":"06:05","startHours":5.079571180667305,"endHours":6.079571180667305,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:05","end":"07:05","startHours":6.079571180667305,"endHours":7.079571180667305,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:05","end":"08:05","startHours":7.079571180667305,"endHours":8.079571180667305,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:05","end":"09:05","startHours":8.079571180667305,"endHours":9.079571180667305,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:05","end":"10:05","startHours":9.079571180667305,"endHours":10.079571180667305,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:05","end":"11:05","startHours":10.079571180667305,"endHours":11.079571180667305,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:05","end":"12:05","startHours":11.079571180667305,"endHours":12.079571180667305,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:05","end":"13:05","startHours":12.079571180667305,"endHours":13.079571180667305,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:05","end":"14:05","startHours":13.079571180667305,"endHours":14.079571180667305,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:05","end":"15:05","startHours":14.079571180667305,"endHours":15.079571180667305,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:05","end":"16:05","startHours":15.079571180667305,"endHours":16.079571180667305,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:05","end":"17:05","startHours":16.079571180667305,"endHours":17.079571180667305,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:05","end":"18:05","startHours":17.079571180667305,"endHours":18.079571180667305,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:05","end":"19:05","startHours":18.079571180667305,"endHours":19.079571180667305,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:05","end":"20:05","startHours":19.079571180667305,"endHours":20.079571180667305,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:05","end":"21:05","startHours":20.079571180667305,"endHours":21.079571180667305,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:05","end":"22:05","startHours":21.079571180667305,"endHours":22.079571180667305,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:05","end":"23:05","startHours":22.079571180667305,"endHours":23.079571180667305,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:05","end":"00:05","startHours":23.079571180667305,"endHours":24.079571180667305,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:05","end":"01:05","startHours":24.079571180667305,"endHours":25.079571180667305,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:05","end":"02:05","startHours":25.079571180667305,"endHours":26.079571180667305,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:05","end":"03:05","startHours":26.079571180667305,"endHours":27.079571180667305,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:05","end":"04:05","startHours":27.079571180667305,"endHours":28.079571180667305,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:05","end":"05:05","startHours":28.079571180667305,"endHours":29.079571180667305,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.189576363806214,"eotMinutes":3.539417782478063,"ayanamsa":24.0959}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Daśamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 21, 2017 CE · Ranchi, Jharkhand · Vidhyamitra","description":"May 21, 2017 CE for Ranchi, Jharkhand: Kṛṣṇa Daśamī, sūryodaya 05:05, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2017-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2017-05-21","sa":"https://sa.vidhyamitra.com/city/ranchi/2017-05-21","hi":"https://hi.vidhyamitra.com/city/ranchi/2017-05-21","x-default":"https://vidhyamitra.com/city/ranchi/2017-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:33:02.243Z","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":"2026-05-15T13:33:02.243Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:33:02.243Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}