{"id":"vidhyamitra:city-day:ranchi:1973-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1973-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-07-12","date_display":"July 12, 1973 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":1973,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441875.770833,"kali_year":5075,"ahargana":1853410.2708,"sun":{"sidereal_longitude":85.7235,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":226.4478,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.7243,"elapsed_within_tithi_degrees":8.7243},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.4478,"elapsed_within_degrees":13.1145},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.1713},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1973,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441875.770833,"ahargana":1853410.2708,"kali_year":5075,"ayanamsa_lahiri":23.4832,"grahas":{"sun":{"sidereal_longitude":86.071346,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":228.425746,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":-2.313},"mars":{"sidereal_longitude":350.215246,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":99.15594599999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":286.36574599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"venus":{"sidereal_longitude":111.07714600000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":64.27454599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":257.4046,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":77.4046,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1973,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441875.770833,"kali_year":5075,"ahargana":1853410.2708,"sun":{"sidereal_longitude":85.7235,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":226.4478,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":140.7243,"elapsed_within_tithi_degrees":8.7243},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.4478,"elapsed_within_degrees":13.1145},"yoga":{"number":24,"name":"Śukla","sum_longitude":312.1713},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.313,"elongation":140.724},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.313,"opposition_distance":39.276}},"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":"05:10","sunsetLocal":"18:38","solarNoonLocal":"11:54","dayLengthHours":13.472432575629995,"dayLengthDisplay":"13 Hours 28 Mins 21 Secs","nightLengthDisplay":"10 Hours 31 Mins 39 Secs","moonriseLocal":"16:01","moonsetLocal":"02:46","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"15:16","startHours":13.584061904071334,"endHours":15.268115976025083,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:10","end":"06:51","startHours":5.163791544302587,"endHours":6.847845616256336,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:32","end":"10:13","startHours":8.531899688210085,"endHours":10.215953760163835,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:18","end":"08:45","startHours":8.30735914528292,"endHours":8.756440231137251,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:44","end":"06:05","startHours":5.7251429016205035,"endHours":6.0844077703039705,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:21","startHours":11.450926746263251,"endHours":12.349088917971917,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:16","startHours":3.367467200885254,"endHours":4.265629372593921,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:10","startHours":4.041088829666754,"endHours":5.163791544302587,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:03","startHours":14.14541326138925,"endHours":15.043575433097915,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.436224119932582,"endHours":18.83622411993258,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:12","startHours":18.63622411993258,"endHours":19.1975754772505,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38622411993258,"endHours":20.13622411993258,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:21","startHours":23.45092674626325,"endHours":24.34908891797192,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:10","end":"06:51","startHours":5.163791544302587,"endHours":6.847845616256336,"quality":"auspicious"},{"name":"Roga","start":"06:51","end":"08:32","startHours":6.847845616256336,"endHours":8.531899688210085,"quality":"inauspicious"},{"name":"Udveg","start":"08:32","end":"10:13","startHours":8.531899688210085,"endHours":10.215953760163835,"quality":"inauspicious"},{"name":"Chala","start":"10:13","end":"11:54","startHours":10.215953760163835,"endHours":11.900007832117584,"quality":"neutral"},{"name":"Labha","start":"11:54","end":"13:35","startHours":11.900007832117584,"endHours":13.584061904071334,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"15:16","startHours":13.584061904071334,"endHours":15.268115976025083,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:57","startHours":15.268115976025083,"endHours":16.952170047978832,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:38","startHours":16.952170047978832,"endHours":18.63622411993258,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:38","end":"19:57","startHours":18.63622411993258,"endHours":19.952170047978832,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:16","startHours":19.952170047978832,"endHours":21.268115976025083,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:35","startHours":21.268115976025083,"endHours":22.584061904071334,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"23:54","startHours":22.584061904071334,"endHours":23.900007832117584,"quality":"inauspicious"},{"name":"Udveg","start":"23:54","end":"01:13","startHours":23.900007832117584,"endHours":25.215953760163835,"quality":"inauspicious"},{"name":"Chala","start":"01:13","end":"02:32","startHours":25.215953760163835,"endHours":26.531899688210085,"quality":"neutral"},{"name":"Labha","start":"02:32","end":"03:51","startHours":26.531899688210085,"endHours":27.847845616256336,"quality":"auspicious"},{"name":"Amṛta","start":"03:51","end":"05:10","startHours":27.847845616256336,"endHours":29.163791544302587,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:10","end":"06:10","startHours":5.163791544302587,"endHours":6.163791544302587,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:10","end":"07:10","startHours":6.163791544302587,"endHours":7.163791544302587,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:10","end":"08:10","startHours":7.163791544302587,"endHours":8.163791544302587,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:10","end":"09:10","startHours":8.163791544302587,"endHours":9.163791544302587,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:10","end":"10:10","startHours":9.163791544302587,"endHours":10.163791544302587,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:10","end":"11:10","startHours":10.163791544302587,"endHours":11.163791544302587,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:10","end":"12:10","startHours":11.163791544302587,"endHours":12.163791544302587,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:10","end":"13:10","startHours":12.163791544302587,"endHours":13.163791544302587,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:10","end":"14:10","startHours":13.163791544302587,"endHours":14.163791544302587,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:10","end":"15:10","startHours":14.163791544302587,"endHours":15.163791544302587,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:10","end":"16:10","startHours":15.163791544302587,"endHours":16.163791544302587,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:10","end":"17:10","startHours":16.163791544302587,"endHours":17.163791544302587,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:10","end":"18:10","startHours":17.163791544302587,"endHours":18.163791544302587,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:10","end":"19:10","startHours":18.163791544302587,"endHours":19.163791544302587,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:10","end":"20:10","startHours":19.163791544302587,"endHours":20.163791544302587,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:10","end":"21:10","startHours":20.163791544302587,"endHours":21.163791544302587,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:10","end":"22:10","startHours":21.163791544302587,"endHours":22.163791544302587,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:10","end":"23:10","startHours":22.163791544302587,"endHours":23.163791544302587,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:10","end":"00:10","startHours":23.163791544302587,"endHours":24.163791544302587,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:10","end":"01:10","startHours":24.163791544302587,"endHours":25.163791544302587,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:10","end":"02:10","startHours":25.163791544302587,"endHours":26.163791544302587,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:10","end":"03:10","startHours":26.163791544302587,"endHours":27.163791544302587,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:10","end":"04:10","startHours":27.163791544302587,"endHours":28.163791544302587,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:10","end":"05:10","startHours":28.163791544302587,"endHours":29.163791544302587,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.011492135427705,"eotMinutes":-5.238869927055064,"ayanamsa":23.4832}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvādaśī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"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 July 12, 1973 CE · Ranchi, Jharkhand · Vidhyamitra","description":"July 12, 1973 CE for Ranchi, Jharkhand: Śukla Dvādaśī, sūryodaya 05:10, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1973-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1973-07-12","sa":"https://sa.vidhyamitra.com/city/ranchi/1973-07-12","hi":"https://hi.vidhyamitra.com/city/ranchi/1973-07-12","x-default":"https://vidhyamitra.com/city/ranchi/1973-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:49:35.742Z","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":"2026-06-02T21:49:35.742Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:49:35.742Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}