{"id":"vidhyamitra:city-day:ranchi:2017-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2017-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-05-12","date_display":"May 12, 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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457885.770833,"kali_year":5119,"ahargana":1869420.2708,"sun":{"sidereal_longitude":27.3867,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":222.0523,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.6656,"elapsed_within_tithi_degrees":2.6656},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.0523,"elapsed_within_degrees":8.719},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.439},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457885.770833,"ahargana":1869420.2708,"kali_year":5119,"ayanamsa_lahiri":24.0955,"grahas":{"sun":{"sidereal_longitude":27.426245999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":219.975546,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":4.4941},"mars":{"sidereal_longitude":49.79454599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":2.5087459999999737,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":169.90434600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":343.669146,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":242.53604600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":129.1178,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.1178,"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":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457885.770833,"kali_year":5119,"ahargana":1869420.2708,"sun":{"sidereal_longitude":27.3867,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":222.0523,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.6656,"elapsed_within_tithi_degrees":2.6656},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.0523,"elapsed_within_degrees":8.719},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.439},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.494,"elongation":165.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.494,"opposition_distance":14.666}},"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":"05:09","sunsetLocal":"18:21","solarNoonLocal":"11:45","dayLengthHours":13.212650708339226,"dayLengthDisplay":"13 Hours 12 Mins 46 Secs","nightLengthDisplay":"10 Hours 47 Mins 14 Secs","moonriseLocal":"19:11","moonsetLocal":"06:00","rahuKala":{"name":"Rāhu Kāla","start":"10:06","end":"11:45","startHours":10.098819000129787,"endHours":11.75040033867219,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:03","end":"16:42","startHours":15.053563015756996,"endHours":16.7051443542994,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:48","end":"08:27","startHours":6.795656323044981,"endHours":8.447237661587383,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:40","startHours":8.227026816448397,"endHours":8.667448506726371,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:03","startHours":5.694602097350046,"endHours":6.046939449572426,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:11","startHours":11.309978648394216,"endHours":12.190822028950164,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:16","startHours":3.3823882233906812,"endHours":4.26323160394663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:09","startHours":4.043020758807643,"endHours":5.144074984502578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:50","startHours":13.952508790062062,"endHours":14.83335217061801,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.156725692841803,"endHours":18.556725692841802,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:54","startHours":18.356725692841803,"endHours":18.90725280568927,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.106725692841803,"endHours":19.856725692841803,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:11","startHours":23.309978648394214,"endHours":24.190822028950166,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:09","end":"06:48","startHours":5.144074984502578,"endHours":6.795656323044981,"quality":"neutral"},{"name":"Labha","start":"06:48","end":"08:27","startHours":6.795656323044981,"endHours":8.447237661587383,"quality":"auspicious"},{"name":"Amṛta","start":"08:27","end":"10:06","startHours":8.447237661587383,"endHours":10.098819000129787,"quality":"auspicious"},{"name":"Kāla","start":"10:06","end":"11:45","startHours":10.098819000129787,"endHours":11.75040033867219,"quality":"inauspicious"},{"name":"Śubha","start":"11:45","end":"13:24","startHours":11.75040033867219,"endHours":13.401981677214593,"quality":"auspicious"},{"name":"Roga","start":"13:24","end":"15:03","startHours":13.401981677214593,"endHours":15.053563015756996,"quality":"inauspicious"},{"name":"Udveg","start":"15:03","end":"16:42","startHours":15.053563015756996,"endHours":16.7051443542994,"quality":"inauspicious"},{"name":"Chala","start":"16:42","end":"18:21","startHours":16.7051443542994,"endHours":18.356725692841803,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:21","end":"19:42","startHours":18.356725692841803,"endHours":19.7051443542994,"quality":"inauspicious"},{"name":"Udveg","start":"19:42","end":"21:03","startHours":19.7051443542994,"endHours":21.053563015756996,"quality":"inauspicious"},{"name":"Chala","start":"21:03","end":"22:24","startHours":21.053563015756996,"endHours":22.401981677214593,"quality":"neutral"},{"name":"Labha","start":"22:24","end":"23:45","startHours":22.401981677214593,"endHours":23.75040033867219,"quality":"auspicious"},{"name":"Amṛta","start":"23:45","end":"01:06","startHours":23.75040033867219,"endHours":25.098819000129787,"quality":"auspicious"},{"name":"Kāla","start":"01:06","end":"02:27","startHours":25.098819000129787,"endHours":26.447237661587383,"quality":"inauspicious"},{"name":"Śubha","start":"02:27","end":"03:48","startHours":26.447237661587383,"endHours":27.79565632304498,"quality":"auspicious"},{"name":"Roga","start":"03:48","end":"05:09","startHours":27.79565632304498,"endHours":29.144074984502577,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:09","end":"06:09","startHours":5.144074984502578,"endHours":6.144074984502578,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:09","end":"07:09","startHours":6.144074984502578,"endHours":7.144074984502578,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:09","end":"08:09","startHours":7.144074984502578,"endHours":8.144074984502577,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:09","end":"09:09","startHours":8.144074984502577,"endHours":9.144074984502577,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:09","end":"10:09","startHours":9.144074984502577,"endHours":10.144074984502577,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:09","end":"11:09","startHours":10.144074984502577,"endHours":11.144074984502577,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:09","end":"12:09","startHours":11.144074984502577,"endHours":12.144074984502577,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:09","end":"13:09","startHours":12.144074984502577,"endHours":13.144074984502577,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:09","end":"14:09","startHours":13.144074984502577,"endHours":14.144074984502577,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:09","end":"15:09","startHours":14.144074984502577,"endHours":15.144074984502577,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:09","end":"16:09","startHours":15.144074984502577,"endHours":16.144074984502577,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:09","end":"17:09","startHours":16.144074984502577,"endHours":17.144074984502577,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:09","end":"18:09","startHours":17.144074984502577,"endHours":18.144074984502577,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:09","end":"19:09","startHours":18.144074984502577,"endHours":19.144074984502577,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:09","end":"20:09","startHours":19.144074984502577,"endHours":20.144074984502577,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:09","end":"21:09","startHours":20.144074984502577,"endHours":21.144074984502577,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:09","end":"22:09","startHours":21.144074984502577,"endHours":22.144074984502577,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:09","end":"23:09","startHours":22.144074984502577,"endHours":23.144074984502577,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:09","end":"00:09","startHours":23.144074984502577,"endHours":24.144074984502577,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:09","end":"01:09","startHours":24.144074984502577,"endHours":25.144074984502577,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:09","end":"02:09","startHours":25.144074984502577,"endHours":26.144074984502577,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:09","end":"03:09","startHours":26.144074984502577,"endHours":27.144074984502577,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:09","end":"04:09","startHours":27.144074984502577,"endHours":28.144074984502577,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:09","end":"05:09","startHours":28.144074984502577,"endHours":29.144074984502577,"planetary_lord":"Mars"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"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":18.14136735610299,"eotMinutes":3.7375796796685163,"ayanamsa":24.0955}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvitīyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 12, 2017 CE · Ranchi, Jharkhand · Vidhyamitra","description":"May 12, 2017 CE for Ranchi, Jharkhand: Kṛṣṇa Dvitīyā, sūryodaya 05:09, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2017-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2017-05-12","sa":"https://sa.vidhyamitra.com/city/ranchi/2017-05-12","hi":"https://hi.vidhyamitra.com/city/ranchi/2017-05-12","x-default":"https://vidhyamitra.com/city/ranchi/2017-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:43:53.148Z","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":"2026-05-15T05:43:53.148Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:43:53.148Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}