{"id":"vidhyamitra:city-day:patna:2004-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/patna/2004-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-07-18","date_display":"July 18, 2004 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2004,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453204.770833,"kali_year":5106,"ahargana":1864739.2708,"sun":{"sidereal_longitude":91.3866,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":98.6588,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.2722,"elapsed_within_tithi_degrees":7.2722},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6588,"elapsed_within_degrees":5.3254},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.0454},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2004,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453204.770833,"ahargana":1864739.2708,"kali_year":5106,"ayanamsa_lahiri":23.9165,"grahas":{"sun":{"sidereal_longitude":91.84819500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":98.12539500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":4.4507},"mars":{"sidereal_longitude":111.25599499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":117.14029499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":142.33369499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":51.02249499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":84.01969500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":17.1397,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":197.1397,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2004,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453204.770833,"kali_year":5106,"ahargana":1864739.2708,"sun":{"sidereal_longitude":91.3866,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":98.6588,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.2722,"elapsed_within_tithi_degrees":7.2722},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":98.6588,"elapsed_within_degrees":5.3254},"yoga":{"number":15,"name":"Vajra","sum_longitude":190.0454},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.451,"elongation":7.272},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.451,"opposition_distance":172.728}},"eclipse_window_40days":[]},"city":{"slug":"patna","name":"Patna, Bihar","lat":25.5941,"lon":85.1376,"tz_offset_hours":5.5,"state":"Bihar","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"patna","name":"Patna, Bihar","lat":25.5941,"lon":85.1376,"tz_offset_hours":5.5,"state":"Bihar","country":"IN","tier":"tier-1"},"sunriseLocal":"05:09","sunsetLocal":"18:42","solarNoonLocal":"11:55","dayLengthHours":13.546296213499389,"dayLengthDisplay":"13 Hours 32 Mins 47 Secs","nightLengthDisplay":"10 Hours 27 Mins 13 Secs","moonriseLocal":"05:38","moonsetLocal":"19:03","rahuKala":{"name":"Rāhu Kāla","start":"17:00","end":"18:42","startHours":17.001619682070757,"endHours":18.69490670875818,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:55","end":"13:37","startHours":11.921758602008484,"endHours":13.61504562869591,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:18","end":"17:00","startHours":15.308332655383332,"endHours":17.001619682070757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:19","end":"08:46","startHours":8.309412945075316,"endHours":8.760956152191962,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:43","end":"06:04","startHours":5.713039504154599,"endHours":6.074274069847916,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:22","startHours":11.470215394891838,"endHours":12.373301809125131,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:15","startHours":3.3424376667922058,"endHours":4.245524081025499,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:09","startHours":4.019752477467176,"endHours":5.148610495258791,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:05","startHours":14.179474637591717,"endHours":15.08256105182501,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.49490670875818,"endHours":18.894906708758178,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:16","startHours":18.69490670875818,"endHours":19.259335717653986,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.44490670875818,"endHours":20.19490670875818,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:22","startHours":23.470215394891838,"endHours":24.37330180912513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:09","end":"06:51","startHours":5.148610495258791,"endHours":6.841897521946215,"quality":"inauspicious"},{"name":"Chala","start":"06:51","end":"08:32","startHours":6.841897521946215,"endHours":8.535184548633637,"quality":"neutral"},{"name":"Labha","start":"08:32","end":"10:14","startHours":8.535184548633637,"endHours":10.228471575321063,"quality":"auspicious"},{"name":"Amṛta","start":"10:14","end":"11:55","startHours":10.228471575321063,"endHours":11.921758602008484,"quality":"auspicious"},{"name":"Kāla","start":"11:55","end":"13:37","startHours":11.921758602008484,"endHours":13.61504562869591,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:18","startHours":13.61504562869591,"endHours":15.308332655383332,"quality":"auspicious"},{"name":"Roga","start":"15:18","end":"17:00","startHours":15.308332655383332,"endHours":17.001619682070757,"quality":"inauspicious"},{"name":"Udveg","start":"17:00","end":"18:42","startHours":17.001619682070757,"endHours":18.69490670875818,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:42","end":"20:00","startHours":18.69490670875818,"endHours":20.001619682070753,"quality":"auspicious"},{"name":"Roga","start":"20:00","end":"21:18","startHours":20.001619682070753,"endHours":21.30833265538333,"quality":"inauspicious"},{"name":"Udveg","start":"21:18","end":"22:37","startHours":21.30833265538333,"endHours":22.61504562869591,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"23:55","startHours":22.61504562869591,"endHours":23.921758602008484,"quality":"neutral"},{"name":"Labha","start":"23:55","end":"01:14","startHours":23.921758602008484,"endHours":25.22847157532106,"quality":"auspicious"},{"name":"Amṛta","start":"01:14","end":"02:32","startHours":25.22847157532106,"endHours":26.535184548633637,"quality":"auspicious"},{"name":"Kāla","start":"02:32","end":"03:51","startHours":26.535184548633637,"endHours":27.841897521946215,"quality":"inauspicious"},{"name":"Śubha","start":"03:51","end":"05:09","startHours":27.841897521946215,"endHours":29.14861049525879,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:09","end":"06:09","startHours":5.148610495258791,"endHours":6.148610495258791,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:09","end":"07:09","startHours":6.148610495258791,"endHours":7.148610495258791,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:09","end":"08:09","startHours":7.148610495258791,"endHours":8.14861049525879,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:09","end":"09:09","startHours":8.14861049525879,"endHours":9.14861049525879,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:09","end":"10:09","startHours":9.14861049525879,"endHours":10.14861049525879,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:09","end":"11:09","startHours":10.14861049525879,"endHours":11.14861049525879,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:09","end":"12:09","startHours":11.14861049525879,"endHours":12.14861049525879,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:09","end":"13:09","startHours":12.14861049525879,"endHours":13.14861049525879,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:09","end":"14:09","startHours":13.14861049525879,"endHours":14.14861049525879,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:09","end":"15:09","startHours":14.14861049525879,"endHours":15.14861049525879,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:09","end":"16:09","startHours":15.14861049525879,"endHours":16.14861049525879,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:09","end":"17:09","startHours":16.14861049525879,"endHours":17.14861049525879,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:09","end":"18:09","startHours":17.14861049525879,"endHours":18.14861049525879,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:09","end":"19:09","startHours":18.14861049525879,"endHours":19.14861049525879,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:09","end":"20:09","startHours":19.14861049525879,"endHours":20.14861049525879,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:09","end":"21:09","startHours":20.14861049525879,"endHours":21.14861049525879,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:09","end":"22:09","startHours":21.14861049525879,"endHours":22.14861049525879,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:09","end":"23:09","startHours":22.14861049525879,"endHours":23.14861049525879,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:09","end":"00:09","startHours":23.14861049525879,"endHours":24.14861049525879,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:09","end":"01:09","startHours":24.14861049525879,"endHours":25.14861049525879,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:09","end":"02:09","startHours":25.14861049525879,"endHours":26.14861049525879,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:09","end":"03:09","startHours":26.14861049525879,"endHours":27.14861049525879,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:09","end":"04:09","startHours":27.14861049525879,"endHours":28.14861049525879,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:09","end":"05:09","startHours":28.14861049525879,"endHours":29.14861049525879,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.989238724292157,"eotMinutes":-5.85591612050904,"ayanamsa":23.9165}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Śukla Pratipada · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"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":"patna"},"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, 2004 CE · Patna, Bihar · Vidhyamitra","description":"July 18, 2004 CE for Patna, Bihar: Śukla Pratipada, sūryodaya 05:09, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/patna/2004-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/patna/2004-07-18","sa":"https://sa.vidhyamitra.com/city/patna/2004-07-18","hi":"https://hi.vidhyamitra.com/city/patna/2004-07-18","x-default":"https://vidhyamitra.com/city/patna/2004-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-23T11:44:22.328Z","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":"2026-09-23T11:44:22.328Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-23T11:44:22.328Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}