{"id":"vidhyamitra:city-day:vellore:2004-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/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":"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":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":"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":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":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:55","sunsetLocal":"18:43","solarNoonLocal":"12:19","dayLengthHours":12.795626057268905,"dayLengthDisplay":"12 Hours 47 Mins 44 Secs","nightLengthDisplay":"11 Hours 12 Mins 16 Secs","moonriseLocal":"06:23","moonsetLocal":"19:06","rahuKala":{"name":"Rāhu Kāla","start":"17:07","end":"18:43","startHours":17.120458373484322,"endHours":18.719911630642937,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:55","startHours":12.322098602008484,"endHours":13.921551859167096,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:31","end":"17:07","startHours":15.52100511632571,"endHours":17.120458373484322,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:20","startHours":8.909931653403442,"endHours":9.336452521979073,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.457436659093569,"endHours":6.798653353954073,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.895577733432853,"endHours":12.748619470584115,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:04","startHours":4.218202099071511,"endHours":5.071243836222771,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:55","startHours":4.8579834019349555,"endHours":5.924285573374031,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.454702944886634,"endHours":15.307744682037894,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:31","end":"18:55","startHours":18.519911630642937,"endHours":18.919911630642936,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:43","end":"19:15","startHours":18.719911630642937,"endHours":19.253062716362475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:28","end":"20:13","startHours":18.469911630642937,"endHours":20.219911630642937,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.895577733432855,"endHours":24.748619470584114,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:55","end":"07:31","startHours":5.924285573374031,"endHours":7.523738830532644,"quality":"inauspicious"},{"name":"Chala","start":"07:31","end":"09:07","startHours":7.523738830532644,"endHours":9.123192087691258,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:43","startHours":9.123192087691258,"endHours":10.72264534484987,"quality":"auspicious"},{"name":"Amṛta","start":"10:43","end":"12:19","startHours":10.72264534484987,"endHours":12.322098602008484,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:55","startHours":12.322098602008484,"endHours":13.921551859167096,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:31","startHours":13.921551859167096,"endHours":15.52100511632571,"quality":"auspicious"},{"name":"Roga","start":"15:31","end":"17:07","startHours":15.52100511632571,"endHours":17.120458373484322,"quality":"inauspicious"},{"name":"Udveg","start":"17:07","end":"18:43","startHours":17.120458373484322,"endHours":18.719911630642937,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:43","end":"20:07","startHours":18.719911630642937,"endHours":20.120458373484325,"quality":"auspicious"},{"name":"Roga","start":"20:07","end":"21:31","startHours":20.120458373484325,"endHours":21.52100511632571,"quality":"inauspicious"},{"name":"Udveg","start":"21:31","end":"22:55","startHours":21.52100511632571,"endHours":22.921551859167096,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:19","startHours":22.921551859167096,"endHours":24.322098602008484,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:43","startHours":24.322098602008484,"endHours":25.722645344849873,"quality":"auspicious"},{"name":"Amṛta","start":"01:43","end":"03:07","startHours":25.722645344849873,"endHours":27.123192087691258,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:31","startHours":27.123192087691258,"endHours":28.523738830532643,"quality":"inauspicious"},{"name":"Śubha","start":"04:31","end":"05:55","startHours":28.523738830532643,"endHours":29.924285573374032,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.924285573374031,"endHours":6.924285573374031,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.924285573374031,"endHours":7.924285573374031,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.924285573374031,"endHours":8.924285573374032,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.924285573374032,"endHours":9.924285573374032,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.924285573374032,"endHours":10.924285573374032,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.924285573374032,"endHours":11.924285573374032,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.924285573374032,"endHours":12.924285573374032,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.924285573374032,"endHours":13.924285573374032,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.924285573374032,"endHours":14.924285573374032,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.924285573374032,"endHours":15.924285573374032,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.924285573374032,"endHours":16.924285573374032,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.924285573374032,"endHours":17.924285573374032,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.924285573374032,"endHours":18.924285573374032,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.924285573374032,"endHours":19.924285573374032,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.924285573374032,"endHours":20.924285573374032,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.924285573374032,"endHours":21.924285573374032,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.924285573374032,"endHours":22.924285573374032,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.924285573374032,"endHours":23.924285573374032,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.924285573374032,"endHours":24.924285573374032,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.924285573374032,"endHours":25.924285573374032,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.924285573374032,"endHours":26.924285573374032,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.924285573374032,"endHours":27.924285573374032,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.924285573374032,"endHours":28.924285573374032,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.924285573374032,"endHours":29.924285573374032,"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":"vellore"},"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 · Vellore, Tamil Nadu · Vidhyamitra","description":"July 18, 2004 CE for Vellore, Tamil Nadu: Śukla Pratipada, sūryodaya 05:55, sūryāsta 18:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/2004-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/2004-07-18","sa":"https://sa.vidhyamitra.com/city/vellore/2004-07-18","hi":"https://hi.vidhyamitra.com/city/vellore/2004-07-18","x-default":"https://vidhyamitra.com/city/vellore/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":"2026-06-02T18:00:11.077Z","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":"2026-06-02T18:00:11.077Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:00:11.077Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}