{"id":"vidhyamitra:city-day:ranchi:2023-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2023-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-05-13","date_display":"May 13, 2023 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":2023,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460077.770833,"kali_year":5125,"ahargana":1871612.2708,"sun":{"sidereal_longitude":27.8161,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":303.172,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":275.3558,"elapsed_within_tithi_degrees":11.3558},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.172,"elapsed_within_degrees":9.8386},"yoga":{"number":25,"name":"Brahma","sum_longitude":330.9881},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2023,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460077.770833,"ahargana":1871612.2708,"kali_year":5125,"ayanamsa_lahiri":24.1793,"grahas":{"sun":{"sidereal_longitude":27.87239599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":303.61609599999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-4.2228},"mars":{"sidereal_longitude":91.19379600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":11.51829600000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":5.002496000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":71.467196,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":312.08189600000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":12.9751,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":192.9751,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"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":2023,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460077.770833,"kali_year":5125,"ahargana":1871612.2708,"sun":{"sidereal_longitude":27.8161,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":303.172,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":275.3558,"elapsed_within_tithi_degrees":11.3558},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.172,"elapsed_within_degrees":9.8386},"yoga":{"number":25,"name":"Brahma","sum_longitude":330.9881},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.223,"elongation":84.644},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.223,"opposition_distance":95.356}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-0.836,"opposition_distance":2.976}]},"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":"05:08","sunsetLocal":"18:22","solarNoonLocal":"11:45","dayLengthHours":13.221617924443839,"dayLengthDisplay":"13 Hours 13 Mins 18 Secs","nightLengthDisplay":"10 Hours 46 Mins 42 Secs","moonriseLocal":"00:27","moonsetLocal":"11:49","rahuKala":{"name":"Rāhu Kāla","start":"08:27","end":"10:06","startHours":8.444731539829768,"endHours":10.097433780385247,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:24","end":"15:03","startHours":13.402838261496207,"endHours":15.055540502051686,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:08","end":"06:48","startHours":5.139327058718807,"endHours":6.7920292992742874,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:13","end":"08:40","startHours":8.224371241089036,"endHours":8.665091838570497,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:03","startHours":5.690227805570634,"endHours":6.042804283555803,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:11","startHours":11.309415423459265,"endHours":12.190856618422186,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:15","startHours":3.376444668792962,"endHours":4.2578858637558845,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:08","startHours":4.037525565015154,"endHours":5.139327058718807,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:50","startHours":13.953739008348034,"endHours":14.835180203310957,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.160944983162647,"endHours":18.560944983162646,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:55","startHours":18.360944983162646,"endHours":18.911845730014473,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.110944983162646,"endHours":19.860944983162646,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:11","startHours":23.309415423459264,"endHours":24.19085661842219,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:08","end":"06:48","startHours":5.139327058718807,"endHours":6.7920292992742874,"quality":"inauspicious"},{"name":"Śubha","start":"06:48","end":"08:27","startHours":6.7920292992742874,"endHours":8.444731539829768,"quality":"auspicious"},{"name":"Roga","start":"08:27","end":"10:06","startHours":8.444731539829768,"endHours":10.097433780385247,"quality":"inauspicious"},{"name":"Udveg","start":"10:06","end":"11:45","startHours":10.097433780385247,"endHours":11.750136020940726,"quality":"inauspicious"},{"name":"Chala","start":"11:45","end":"13:24","startHours":11.750136020940726,"endHours":13.402838261496207,"quality":"neutral"},{"name":"Labha","start":"13:24","end":"15:03","startHours":13.402838261496207,"endHours":15.055540502051686,"quality":"auspicious"},{"name":"Amṛta","start":"15:03","end":"16:42","startHours":15.055540502051686,"endHours":16.70824274260717,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:22","startHours":16.70824274260717,"endHours":18.360944983162646,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:22","end":"19:42","startHours":18.360944983162646,"endHours":19.708242742607165,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:03","startHours":19.708242742607165,"endHours":21.055540502051688,"quality":"auspicious"},{"name":"Kāla","start":"21:03","end":"22:24","startHours":21.055540502051688,"endHours":22.402838261496207,"quality":"inauspicious"},{"name":"Śubha","start":"22:24","end":"23:45","startHours":22.402838261496207,"endHours":23.750136020940726,"quality":"auspicious"},{"name":"Roga","start":"23:45","end":"01:06","startHours":23.750136020940726,"endHours":25.097433780385245,"quality":"inauspicious"},{"name":"Udveg","start":"01:06","end":"02:27","startHours":25.097433780385245,"endHours":26.444731539829768,"quality":"inauspicious"},{"name":"Chala","start":"02:27","end":"03:48","startHours":26.444731539829768,"endHours":27.792029299274287,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:08","startHours":27.792029299274287,"endHours":29.139327058718806,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.139327058718807,"endHours":6.139327058718807,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.139327058718807,"endHours":7.139327058718807,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.139327058718807,"endHours":8.139327058718807,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.139327058718807,"endHours":9.139327058718807,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.139327058718807,"endHours":10.139327058718807,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.139327058718807,"endHours":11.139327058718807,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.139327058718807,"endHours":12.139327058718807,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.139327058718807,"endHours":13.139327058718807,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.139327058718807,"endHours":14.139327058718807,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.139327058718807,"endHours":15.139327058718807,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.139327058718807,"endHours":16.139327058718806,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.139327058718806,"endHours":17.139327058718806,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.139327058718806,"endHours":18.139327058718806,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.139327058718806,"endHours":19.139327058718806,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.139327058718806,"endHours":20.139327058718806,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.139327058718806,"endHours":21.139327058718806,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.139327058718806,"endHours":22.139327058718806,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.139327058718806,"endHours":23.139327058718806,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.139327058718806,"endHours":24.139327058718806,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.139327058718806,"endHours":25.139327058718806,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.139327058718806,"endHours":26.139327058718806,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.139327058718806,"endHours":27.139327058718806,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.139327058718806,"endHours":28.139327058718806,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.139327058718806,"endHours":29.139327058718806,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.278626673975488,"eotMinutes":3.7534387435564067,"ayanamsa":24.1793}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Aṣṭamī · Vikram 2080 Nala · Śaka 1945 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":"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 May 13, 2023 CE · Ranchi, Jharkhand · Vidhyamitra","description":"May 13, 2023 CE for Ranchi, Jharkhand: Kṛṣṇa Aṣṭamī, sūryodaya 05:08, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2023-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2023-05-13","sa":"https://sa.vidhyamitra.com/city/ranchi/2023-05-13","hi":"https://hi.vidhyamitra.com/city/ranchi/2023-05-13","x-default":"https://vidhyamitra.com/city/ranchi/2023-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:37:48.030Z","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":"2026-05-14T17:37:48.030Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:37:48.030Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}