{"id":"vidhyamitra:city-day:chennai:2002-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chennai/2002-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-08-13","date_display":"August 13, 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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452499.770833,"kali_year":5104,"ahargana":1864034.2708,"sun":{"sidereal_longitude":115.6455,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.3035,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.658,"elapsed_within_tithi_degrees":7.658},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.3035,"elapsed_within_degrees":11.3035},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.949},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452499.770833,"ahargana":1864034.2708,"kali_year":5104,"ayanamsa_lahiri":23.8895,"grahas":{"sun":{"sidereal_longitude":116.25373100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":174.73283100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":4.0155},"mars":{"sidereal_longitude":115.55193099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":136.98643099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":98.504031,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"venus":{"sidereal_longitude":161.93253099999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":62.118030999999974,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":54.494,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":234.494,"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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452499.770833,"kali_year":5104,"ahargana":1864034.2708,"sun":{"sidereal_longitude":115.6455,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.3035,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.658,"elapsed_within_tithi_degrees":7.658},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.3035,"elapsed_within_degrees":11.3035},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.949},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.015,"elongation":55.658},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.015,"opposition_distance":124.342}},"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":"05:56","sunsetLocal":"18:31","solarNoonLocal":"12:13","dayLengthHours":12.58647165578125,"dayLengthDisplay":"12 Hours 35 Mins 11 Secs","nightLengthDisplay":"11 Hours 24 Mins 49 Secs","moonriseLocal":"10:12","moonsetLocal":"22:03","rahuKala":{"name":"Rāhu Kāla","start":"15:22","end":"16:57","startHours":15.371263259582236,"endHours":16.944572216554892,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:39","startHours":9.078027431691611,"endHours":10.651336388664266,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:48","startHours":12.224645345636922,"endHours":13.797954302609579,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:17","startHours":8.868252904095257,"endHours":9.287801959287965,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4558458367371845,"endHours":6.791485080891351,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:39","startHours":11.805096290444215,"endHours":12.644194400829633,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:06","startHours":4.253213296975465,"endHours":5.092311407360882,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:56","startHours":4.882536879764528,"endHours":5.931409517746299,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:10","startHours":14.322390621600466,"endHours":15.161488731985882,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31788117352755,"endHours":18.717881173527548,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.51788117352755,"endHours":19.042317492518436,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26788117352755,"endHours":20.01788117352755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:39","startHours":23.805096290444215,"endHours":24.64419440082963,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:56","end":"07:30","startHours":5.931409517746299,"endHours":7.504718474718954,"quality":"inauspicious"},{"name":"Udveg","start":"07:30","end":"09:05","startHours":7.504718474718954,"endHours":9.078027431691611,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:39","startHours":9.078027431691611,"endHours":10.651336388664266,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:13","startHours":10.651336388664266,"endHours":12.224645345636922,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:48","startHours":12.224645345636922,"endHours":13.797954302609579,"quality":"auspicious"},{"name":"Kāla","start":"13:48","end":"15:22","startHours":13.797954302609579,"endHours":15.371263259582236,"quality":"inauspicious"},{"name":"Śubha","start":"15:22","end":"16:57","startHours":15.371263259582236,"endHours":16.944572216554892,"quality":"auspicious"},{"name":"Roga","start":"16:57","end":"18:31","startHours":16.944572216554892,"endHours":18.51788117352755,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:31","end":"19:57","startHours":18.51788117352755,"endHours":19.944572216554892,"quality":"inauspicious"},{"name":"Śubha","start":"19:57","end":"21:22","startHours":19.944572216554892,"endHours":21.371263259582236,"quality":"auspicious"},{"name":"Roga","start":"21:22","end":"22:48","startHours":21.371263259582236,"endHours":22.797954302609583,"quality":"inauspicious"},{"name":"Udveg","start":"22:48","end":"00:13","startHours":22.797954302609583,"endHours":24.224645345636922,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:39","startHours":24.224645345636922,"endHours":25.65133638866427,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"03:05","startHours":25.65133638866427,"endHours":27.078027431691613,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:30","startHours":27.078027431691613,"endHours":28.504718474718956,"quality":"auspicious"},{"name":"Kāla","start":"04:30","end":"05:56","startHours":28.504718474718956,"endHours":29.9314095177463,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.931409517746299,"endHours":6.931409517746299,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.931409517746299,"endHours":7.931409517746299,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.931409517746299,"endHours":8.9314095177463,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.9314095177463,"endHours":9.9314095177463,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.9314095177463,"endHours":10.9314095177463,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.9314095177463,"endHours":11.9314095177463,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.9314095177463,"endHours":12.9314095177463,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.9314095177463,"endHours":13.9314095177463,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.9314095177463,"endHours":14.9314095177463,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.9314095177463,"endHours":15.9314095177463,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.9314095177463,"endHours":16.9314095177463,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.9314095177463,"endHours":17.9314095177463,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.9314095177463,"endHours":18.9314095177463,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.9314095177463,"endHours":19.9314095177463,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.9314095177463,"endHours":20.9314095177463,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.9314095177463,"endHours":21.9314095177463,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.9314095177463,"endHours":22.9314095177463,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.9314095177463,"endHours":23.9314095177463,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.9314095177463,"endHours":24.9314095177463,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.9314095177463,"endHours":25.9314095177463,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.9314095177463,"endHours":26.9314095177463,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.9314095177463,"endHours":27.9314095177463,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.9314095177463,"endHours":28.9314095177463,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.9314095177463,"endHours":29.9314095177463,"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":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.76736604916659,"eotMinutes":-4.561520738215509,"ayanamsa":23.8895}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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 Śukla Pañcamī · 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 August 13, 2002 CE · Chennai, Tamil Nadu · Vidhyamitra","description":"August 13, 2002 CE for Chennai, Tamil Nadu: Śukla Pañcamī, sūryodaya 05:56, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chennai/2002-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chennai/2002-08-13","sa":"https://sa.vidhyamitra.com/city/chennai/2002-08-13","hi":"https://hi.vidhyamitra.com/city/chennai/2002-08-13","x-default":"https://vidhyamitra.com/city/chennai/2002-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:37:13.072Z","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":"2026-06-02T01:37:13.072Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:37:13.072Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}