{"id":"vidhyamitra:city-day:chennai:2002-01-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chennai/2002-01-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-01-25","date_display":"January 25, 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":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452299.770833,"kali_year":5103,"ahargana":1863834.2708,"sun":{"sidereal_longitude":280.9678,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":50.777,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.8092,"elapsed_within_tithi_degrees":9.8092},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.777,"elapsed_within_degrees":10.777},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.7448},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452299.770833,"ahargana":1863834.2708,"kali_year":5103,"ayanamsa_lahiri":23.8819,"grahas":{"sun":{"sidereal_longitude":281.006173,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":49.47017299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-1.1115},"mars":{"sidereal_longitude":340.559273,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":287.03677300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":73.661473,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":283.515573,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":44.22887300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":65.0909,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":245.0909,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"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":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452299.770833,"kali_year":5103,"ahargana":1863834.2708,"sun":{"sidereal_longitude":280.9678,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":50.777,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.8092,"elapsed_within_tithi_degrees":9.8092},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.777,"elapsed_within_degrees":10.777},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.7448},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.111,"elongation":129.809},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.111,"opposition_distance":50.191}},"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":"06:36","sunsetLocal":"18:06","solarNoonLocal":"12:21","dayLengthHours":11.507559943786681,"dayLengthDisplay":"11 Hours 30 Mins 27 Secs","nightLengthDisplay":"12 Hours 29 Mins 33 Secs","moonriseLocal":"14:30","moonsetLocal":"03:20","rahuKala":{"name":"Rāhu Kāla","start":"10:55","end":"12:21","startHours":10.915320482392524,"endHours":12.353765475365858,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:40","startHours":15.23065546131253,"endHours":16.669100454285864,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:02","end":"09:29","startHours":8.038430496445853,"endHours":9.47687548941919,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:40","startHours":9.285082823689411,"endHours":9.668668155148966,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:23","startHours":7.079467167796963,"endHours":7.386335432964608,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:44","startHours":11.970180143906301,"endHours":12.737350806825415,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:50","startHours":5.065644177634294,"endHours":5.832814840553406,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:38","end":"06:36","startHours":5.641022174823628,"endHours":6.599985503472518,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:02","startHours":14.271692132663638,"endHours":15.03886279558275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.9075454472592,"endHours":18.307545447259198,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.1075454472592,"endHours":18.587027111583645,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.8575454472592,"endHours":19.6075454472592,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:44","startHours":23.9701801439063,"endHours":24.737350806825415,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:36","end":"08:02","startHours":6.599985503472518,"endHours":8.038430496445853,"quality":"neutral"},{"name":"Labha","start":"08:02","end":"09:29","startHours":8.038430496445853,"endHours":9.47687548941919,"quality":"auspicious"},{"name":"Amṛta","start":"09:29","end":"10:55","startHours":9.47687548941919,"endHours":10.915320482392524,"quality":"auspicious"},{"name":"Kāla","start":"10:55","end":"12:21","startHours":10.915320482392524,"endHours":12.353765475365858,"quality":"inauspicious"},{"name":"Śubha","start":"12:21","end":"13:48","startHours":12.353765475365858,"endHours":13.792210468339194,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:14","startHours":13.792210468339194,"endHours":15.23065546131253,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:40","startHours":15.23065546131253,"endHours":16.669100454285864,"quality":"inauspicious"},{"name":"Chala","start":"16:40","end":"18:06","startHours":16.669100454285864,"endHours":18.1075454472592,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:06","end":"19:40","startHours":18.1075454472592,"endHours":19.669100454285864,"quality":"inauspicious"},{"name":"Udveg","start":"19:40","end":"21:14","startHours":19.669100454285864,"endHours":21.23065546131253,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:48","startHours":21.23065546131253,"endHours":22.792210468339192,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"00:21","startHours":22.792210468339192,"endHours":24.353765475365858,"quality":"auspicious"},{"name":"Amṛta","start":"00:21","end":"01:55","startHours":24.353765475365858,"endHours":25.915320482392524,"quality":"auspicious"},{"name":"Kāla","start":"01:55","end":"03:29","startHours":25.915320482392524,"endHours":27.476875489419186,"quality":"inauspicious"},{"name":"Śubha","start":"03:29","end":"05:02","startHours":27.476875489419186,"endHours":29.03843049644585,"quality":"auspicious"},{"name":"Roga","start":"05:02","end":"06:36","startHours":29.03843049644585,"endHours":30.599985503472517,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.599985503472518,"endHours":7.599985503472518,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.599985503472518,"endHours":8.599985503472517,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.599985503472517,"endHours":9.599985503472517,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.599985503472517,"endHours":10.599985503472517,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.599985503472517,"endHours":11.599985503472517,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.599985503472517,"endHours":12.599985503472517,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.599985503472517,"endHours":13.599985503472517,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.599985503472517,"endHours":14.599985503472517,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.599985503472517,"endHours":15.599985503472517,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.599985503472517,"endHours":16.599985503472517,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.599985503472517,"endHours":17.599985503472517,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.599985503472517,"endHours":18.599985503472517,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.599985503472517,"endHours":19.599985503472517,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.599985503472517,"endHours":20.599985503472517,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.599985503472517,"endHours":21.599985503472517,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.599985503472517,"endHours":22.599985503472517,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.599985503472517,"endHours":23.599985503472517,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.599985503472517,"endHours":24.599985503472517,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.599985503472517,"endHours":25.599985503472517,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.599985503472517,"endHours":26.599985503472517,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.599985503472517,"endHours":27.599985503472517,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.599985503472517,"endHours":28.599985503472517,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.599985503472517,"endHours":29.599985503472517,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.599985503472517,"endHours":30.599985503472517,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.041225321856555,"eotMinutes":-12.308728521951446,"ayanamsa":23.8819}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ekādaśī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"putrada-ekadashi","name":"Pauṣa Putradā Ekādaśī","name_sanskrit":"पौष पुत्रदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Ekādaśī granting putra-prāpti.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 January 25, 2002 CE · Chennai, Tamil Nadu · Vidhyamitra","description":"January 25, 2002 CE for Chennai, Tamil Nadu: Śukla Ekādaśī, sūryodaya 06:36, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chennai/2002-01-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chennai/2002-01-25","sa":"https://sa.vidhyamitra.com/city/chennai/2002-01-25","hi":"https://hi.vidhyamitra.com/city/chennai/2002-01-25","x-default":"https://vidhyamitra.com/city/chennai/2002-01-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:20:27.418Z","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":"2026-06-03T00:20:27.418Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:20:27.418Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}