{"id":"vidhyamitra:city-day:chennai:2002-07-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chennai/2002-07-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-07-16","date_display":"July 16, 2002 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":2002,"month":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452471.770833,"kali_year":5104,"ahargana":1864006.2708,"sun":{"sidereal_longitude":89.0346,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":162.2107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.1761,"elapsed_within_tithi_degrees":1.1761},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.2107,"elapsed_within_degrees":2.2107},"yoga":{"number":19,"name":"Parigha","sum_longitude":251.2453},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2002,"month":7,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452471.770833,"ahargana":1864006.2708,"kali_year":5104,"ayanamsa_lahiri":23.8884,"grahas":{"sun":{"sidereal_longitude":89.47550100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":164.152601,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":4.3202},"mars":{"sidereal_longitude":97.64510100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":83.46950100000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":92.30190099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":131.86700099999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":59.118401000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":55.9775,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.9775,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":2002,"month":7,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452471.770833,"kali_year":5104,"ahargana":1864006.2708,"sun":{"sidereal_longitude":89.0346,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":162.2107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.1761,"elapsed_within_tithi_degrees":1.1761},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":162.2107,"elapsed_within_degrees":2.2107},"yoga":{"number":19,"name":"Parigha","sum_longitude":251.2453},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.32,"elongation":73.176},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.32,"opposition_distance":106.824}},"eclipse_window_40days":[]},"city":{"slug":"chennai","name":"Chennai, Tamil Nadu","lat":13.0827,"lon":80.2707,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"mega","elevation_m":6},"tier2":{"city":{"slug":"chennai","name":"Chennai, Tamil Nadu","lat":13.0827,"lon":80.2707,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"mega","elevation_m":6},"sunriseLocal":"05:50","sunsetLocal":"18:39","solarNoonLocal":"12:15","dayLengthHours":12.82033015429577,"dayLengthDisplay":"12 Hours 49 Mins 13 Secs","nightLengthDisplay":"11 Hours 10 Mins 47 Secs","moonriseLocal":"11:14","moonsetLocal":"23:13","rahuKala":{"name":"Rāhu Kāla","start":"15:27","end":"17:03","startHours":15.44841488217856,"endHours":17.050956151465527,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:02","end":"10:38","startHours":9.038249805030674,"endHours":10.640791074317645,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:51","startHours":12.243332343604617,"endHours":13.845873612891587,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:15","startHours":8.824577635792412,"endHours":9.251921974268937,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.367347689552389,"endHours":6.709223160333609,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:40","startHours":11.81598800512809,"endHours":12.67067668208114,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:59","startHours":4.123789912550629,"endHours":4.9784785895036805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:50","startHours":4.764806420265417,"endHours":5.833167266456732,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:14","startHours":14.380054035987245,"endHours":15.234742712940296,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.4534974207525,"endHours":18.8534974207525,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:11","startHours":18.6534974207525,"endHours":19.187677843848157,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.4034974207525,"endHours":20.1534974207525,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:40","startHours":23.815988005128087,"endHours":24.67067668208114,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:50","end":"07:26","startHours":5.833167266456732,"endHours":7.435708535743703,"quality":"inauspicious"},{"name":"Udveg","start":"07:26","end":"09:02","startHours":7.435708535743703,"endHours":9.038249805030674,"quality":"inauspicious"},{"name":"Chala","start":"09:02","end":"10:38","startHours":9.038249805030674,"endHours":10.640791074317645,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"12:15","startHours":10.640791074317645,"endHours":12.243332343604617,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:51","startHours":12.243332343604617,"endHours":13.845873612891587,"quality":"auspicious"},{"name":"Kāla","start":"13:51","end":"15:27","startHours":13.845873612891587,"endHours":15.44841488217856,"quality":"inauspicious"},{"name":"Śubha","start":"15:27","end":"17:03","startHours":15.44841488217856,"endHours":17.050956151465527,"quality":"auspicious"},{"name":"Roga","start":"17:03","end":"18:39","startHours":17.050956151465527,"endHours":18.6534974207525,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:39","end":"20:03","startHours":18.6534974207525,"endHours":20.05095615146553,"quality":"inauspicious"},{"name":"Śubha","start":"20:03","end":"21:27","startHours":20.05095615146553,"endHours":21.448414882178557,"quality":"auspicious"},{"name":"Roga","start":"21:27","end":"22:51","startHours":21.448414882178557,"endHours":22.845873612891587,"quality":"inauspicious"},{"name":"Udveg","start":"22:51","end":"00:15","startHours":22.845873612891587,"endHours":24.243332343604617,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:38","startHours":24.243332343604617,"endHours":25.640791074317647,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:02","startHours":25.640791074317647,"endHours":27.038249805030674,"quality":"auspicious"},{"name":"Amṛta","start":"03:02","end":"04:26","startHours":27.038249805030674,"endHours":28.435708535743704,"quality":"auspicious"},{"name":"Kāla","start":"04:26","end":"05:50","startHours":28.435708535743704,"endHours":29.833167266456734,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.833167266456732,"endHours":6.833167266456732,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.833167266456732,"endHours":7.833167266456732,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.833167266456732,"endHours":8.833167266456732,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.833167266456732,"endHours":9.833167266456732,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.833167266456732,"endHours":10.833167266456732,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.833167266456732,"endHours":11.833167266456732,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.833167266456732,"endHours":12.833167266456732,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.833167266456732,"endHours":13.833167266456732,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.833167266456732,"endHours":14.833167266456732,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.833167266456732,"endHours":15.833167266456732,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.833167266456732,"endHours":16.833167266456734,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.833167266456734,"endHours":17.833167266456734,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.833167266456734,"endHours":18.833167266456734,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.833167266456734,"endHours":19.833167266456734,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.833167266456734,"endHours":20.833167266456734,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.833167266456734,"endHours":21.833167266456734,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.833167266456734,"endHours":22.833167266456734,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.833167266456734,"endHours":23.833167266456734,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.833167266456734,"endHours":24.833167266456734,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.833167266456734,"endHours":25.833167266456734,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.833167266456734,"endHours":26.833167266456734,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.833167266456734,"endHours":27.833167266456734,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.833167266456734,"endHours":28.833167266456734,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.833167266456734,"endHours":29.833167266456734,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","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":21.414983576443223,"eotMinutes":-5.682740616276977,"ayanamsa":23.8884}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"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 Saptamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"chennai"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 16, 2002 CE · Chennai, Tamil Nadu · Vidhyamitra","description":"July 16, 2002 CE for Chennai, Tamil Nadu: Śukla Saptamī, sūryodaya 05:50, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chennai/2002-07-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chennai/2002-07-16","sa":"https://sa.vidhyamitra.com/city/chennai/2002-07-16","hi":"https://hi.vidhyamitra.com/city/chennai/2002-07-16","x-default":"https://vidhyamitra.com/city/chennai/2002-07-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:40:25.307Z","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":"2026-06-02T00:40:25.307Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:40:25.307Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}