{"id":"vidhyamitra:city-day:ranchi:1979-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1979-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-07-18","date_display":"July 18, 1979 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":1979,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444072.770833,"kali_year":5081,"ahargana":1855607.2708,"sun":{"sidereal_longitude":90.8833,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":18.5932,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":287.7099,"elapsed_within_tithi_degrees":11.7099},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.5932,"elapsed_within_degrees":5.2599},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.4765},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1979,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444072.770833,"ahargana":1855607.2708,"kali_year":5081,"ayanamsa_lahiri":23.5672,"grahas":{"sun":{"sidereal_longitude":91.281004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":21.02880399999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":-3.7982},"mars":{"sidereal_longitude":52.103804000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":111.25420400000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":110.492704,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":81.02910399999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":137.11290400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":140.997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":320.997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1979,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444072.770833,"kali_year":5081,"ahargana":1855607.2708,"sun":{"sidereal_longitude":90.8833,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":18.5932,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":287.7099,"elapsed_within_tithi_degrees":11.7099},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.5932,"elapsed_within_degrees":5.2599},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.4765},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.798,"elongation":72.29},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.798,"opposition_distance":107.71}},"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":"05:12","sunsetLocal":"18:37","solarNoonLocal":"11:55","dayLengthHours":13.413699757502796,"dayLengthDisplay":"13 Hours 24 Mins 49 Secs","nightLengthDisplay":"10 Hours 35 Mins 11 Secs","moonriseLocal":"00:42","moonsetLocal":"13:45","rahuKala":{"name":"Rāhu Kāla","start":"11:55","end":"13:35","startHours":11.910291935341817,"endHours":13.587004405029667,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:53","end":"08:33","startHours":6.88015452627827,"endHours":8.55686699596612,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:14","end":"11:55","startHours":10.233579465653968,"endHours":11.910291935341817,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:20","end":"08:47","startHours":8.333305333341073,"endHours":8.780428658591166,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:07","startHours":5.7623462131530365,"endHours":6.120044873353111,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:21","startHours":11.463168610091724,"endHours":12.35741526059191,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:19","startHours":3.4149487555900473,"endHours":4.309195406090234,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:12","startHours":4.085633743465188,"endHours":5.20344205659042,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:02","startHours":14.145908561592284,"endHours":15.04015521209247,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.417141814093217,"endHours":18.817141814093215,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:11","startHours":18.617141814093216,"endHours":19.17604597065583,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.367141814093216,"endHours":20.117141814093216,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:21","startHours":23.463168610091724,"endHours":24.35741526059191,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:12","end":"06:53","startHours":5.20344205659042,"endHours":6.88015452627827,"quality":"auspicious"},{"name":"Amṛta","start":"06:53","end":"08:33","startHours":6.88015452627827,"endHours":8.55686699596612,"quality":"auspicious"},{"name":"Kāla","start":"08:33","end":"10:14","startHours":8.55686699596612,"endHours":10.233579465653968,"quality":"inauspicious"},{"name":"Śubha","start":"10:14","end":"11:55","startHours":10.233579465653968,"endHours":11.910291935341817,"quality":"auspicious"},{"name":"Roga","start":"11:55","end":"13:35","startHours":11.910291935341817,"endHours":13.587004405029667,"quality":"inauspicious"},{"name":"Udveg","start":"13:35","end":"15:16","startHours":13.587004405029667,"endHours":15.263716874717517,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:56","startHours":15.263716874717517,"endHours":16.940429344405366,"quality":"neutral"},{"name":"Labha","start":"16:56","end":"18:37","startHours":16.940429344405366,"endHours":18.617141814093216,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:37","end":"19:56","startHours":18.617141814093216,"endHours":19.940429344405366,"quality":"inauspicious"},{"name":"Chala","start":"19:56","end":"21:16","startHours":19.940429344405366,"endHours":21.263716874717517,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:35","startHours":21.263716874717517,"endHours":22.587004405029667,"quality":"auspicious"},{"name":"Amṛta","start":"22:35","end":"23:55","startHours":22.587004405029667,"endHours":23.910291935341817,"quality":"auspicious"},{"name":"Kāla","start":"23:55","end":"01:14","startHours":23.910291935341817,"endHours":25.233579465653968,"quality":"inauspicious"},{"name":"Śubha","start":"01:14","end":"02:33","startHours":25.233579465653968,"endHours":26.556866995966118,"quality":"auspicious"},{"name":"Roga","start":"02:33","end":"03:53","startHours":26.556866995966118,"endHours":27.880154526278268,"quality":"inauspicious"},{"name":"Udveg","start":"03:53","end":"05:12","startHours":27.880154526278268,"endHours":29.20344205659042,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.20344205659042,"endHours":6.20344205659042,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.20344205659042,"endHours":7.20344205659042,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.20344205659042,"endHours":8.20344205659042,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.20344205659042,"endHours":9.20344205659042,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.20344205659042,"endHours":10.20344205659042,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.20344205659042,"endHours":11.20344205659042,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.20344205659042,"endHours":12.20344205659042,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.20344205659042,"endHours":13.20344205659042,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.20344205659042,"endHours":14.20344205659042,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.20344205659042,"endHours":15.20344205659042,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.20344205659042,"endHours":16.20344205659042,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.20344205659042,"endHours":17.20344205659042,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.20344205659042,"endHours":18.20344205659042,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.20344205659042,"endHours":19.20344205659042,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.20344205659042,"endHours":20.20344205659042,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.20344205659042,"endHours":21.20344205659042,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.20344205659042,"endHours":22.20344205659042,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.20344205659042,"endHours":23.20344205659042,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.20344205659042,"endHours":24.20344205659042,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.20344205659042,"endHours":25.20344205659042,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.20344205659042,"endHours":26.20344205659042,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.20344205659042,"endHours":27.20344205659042,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.20344205659042,"endHours":28.20344205659042,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.20344205659042,"endHours":29.20344205659042,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.15622091384398,"eotMinutes":-5.85591612050904,"ayanamsa":23.5672}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Navamī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 18, 1979 CE · Ranchi, Jharkhand · Vidhyamitra","description":"July 18, 1979 CE for Ranchi, Jharkhand: Kṛṣṇa Navamī, sūryodaya 05:12, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1979-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1979-07-18","sa":"https://sa.vidhyamitra.com/city/ranchi/1979-07-18","hi":"https://hi.vidhyamitra.com/city/ranchi/1979-07-18","x-default":"https://vidhyamitra.com/city/ranchi/1979-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:24:46.256Z","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":"2026-06-02T11:24:46.256Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:24:46.256Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}