{"id":"vidhyamitra:city-day:tiruchirappalli:2026-09-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tiruchirappalli/2026-09-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-09-24","date_display":"September 24, 2026 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":2026,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461307.770833,"kali_year":5128,"ahargana":1872842.2708,"sun":{"sidereal_longitude":155.9874,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":303.2114,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.224,"elapsed_within_tithi_degrees":3.224},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.2114,"elapsed_within_degrees":9.8781},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1988},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2026,"month":9,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461307.770833,"ahargana":1872842.2708,"kali_year":5128,"ayanamsa_lahiri":24.2264,"grahas":{"sun":{"sidereal_longitude":156.79320099999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":304.46390099999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-0.3599},"mars":{"sidereal_longitude":93.02430099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":176.31800099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":113.876601,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":192.42940099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":347.931401,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":307.8037,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.8037,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":"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":2026,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461307.770833,"kali_year":5128,"ahargana":1872842.2708,"sun":{"sidereal_longitude":155.9874,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":303.2114,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.224,"elapsed_within_tithi_degrees":3.224},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.2114,"elapsed_within_degrees":9.8781},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1988},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.36,"elongation":147.224},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.36,"opposition_distance":32.776}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":-1.193,"elongation":0.557}]},"city":{"slug":"tiruchirappalli","name":"Tiruchirappalli (Trichy), Tamil Nadu","lat":10.7905,"lon":78.7047,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"tiruchirappalli","name":"Tiruchirappalli (Trichy), Tamil Nadu","lat":10.7905,"lon":78.7047,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:03","sunsetLocal":"18:09","solarNoonLocal":"12:06","dayLengthHours":12.102762896318215,"dayLengthDisplay":"12 Hours 06 Mins 10 Secs","nightLengthDisplay":"11 Hours 53 Mins 50 Secs","moonriseLocal":"16:04","moonsetLocal":"03:50","rahuKala":{"name":"Rāhu Kāla","start":"13:37","end":"15:08","startHours":13.619313522143472,"endHours":15.132158884183248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:03","end":"07:34","startHours":6.055086711944587,"endHours":7.567932073984364,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:36","startHours":9.08077743602414,"endHours":10.593622798063919,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:17","startHours":8.879064721085504,"endHours":9.282490150962778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:53","startHours":6.559368499291179,"endHours":6.882108843192999,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:31","startHours":11.70304273022642,"endHours":12.509893589980967,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:15","startHours":4.441384992435491,"endHours":5.24823585219004,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:03","startHours":5.046523137251403,"endHours":6.055086711944587,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:56","startHours":14.123595309490064,"endHours":14.930446169244611,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.9578496082628,"endHours":18.3578496082628,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:40","startHours":18.1578496082628,"endHours":18.662131395609393,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.9078496082628,"endHours":19.6578496082628,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:31","startHours":23.70304273022642,"endHours":24.50989358998097,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:03","end":"07:34","startHours":6.055086711944587,"endHours":7.567932073984364,"quality":"auspicious"},{"name":"Roga","start":"07:34","end":"09:05","startHours":7.567932073984364,"endHours":9.08077743602414,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:36","startHours":9.08077743602414,"endHours":10.593622798063919,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:06","startHours":10.593622798063919,"endHours":12.106468160103695,"quality":"neutral"},{"name":"Labha","start":"12:06","end":"13:37","startHours":12.106468160103695,"endHours":13.619313522143472,"quality":"auspicious"},{"name":"Amṛta","start":"13:37","end":"15:08","startHours":13.619313522143472,"endHours":15.132158884183248,"quality":"auspicious"},{"name":"Kāla","start":"15:08","end":"16:39","startHours":15.132158884183248,"endHours":16.645004246223024,"quality":"inauspicious"},{"name":"Śubha","start":"16:39","end":"18:09","startHours":16.645004246223024,"endHours":18.1578496082628,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:39","startHours":18.1578496082628,"endHours":19.645004246223024,"quality":"auspicious"},{"name":"Kāla","start":"19:39","end":"21:08","startHours":19.645004246223024,"endHours":21.132158884183248,"quality":"inauspicious"},{"name":"Śubha","start":"21:08","end":"22:37","startHours":21.132158884183248,"endHours":22.61931352214347,"quality":"auspicious"},{"name":"Roga","start":"22:37","end":"00:06","startHours":22.61931352214347,"endHours":24.106468160103695,"quality":"inauspicious"},{"name":"Udveg","start":"00:06","end":"01:36","startHours":24.106468160103695,"endHours":25.59362279806392,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:05","startHours":25.59362279806392,"endHours":27.08077743602414,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:34","startHours":27.08077743602414,"endHours":28.567932073984363,"quality":"auspicious"},{"name":"Amṛta","start":"04:34","end":"06:03","startHours":28.567932073984363,"endHours":30.055086711944586,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.055086711944587,"endHours":7.055086711944587,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.055086711944587,"endHours":8.055086711944586,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.055086711944586,"endHours":9.055086711944586,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.055086711944586,"endHours":10.055086711944586,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.055086711944586,"endHours":11.055086711944586,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.055086711944586,"endHours":12.055086711944586,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.055086711944586,"endHours":13.055086711944586,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.055086711944586,"endHours":14.055086711944586,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.055086711944586,"endHours":15.055086711944586,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.055086711944586,"endHours":16.055086711944586,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.055086711944586,"endHours":17.055086711944586,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.055086711944586,"endHours":18.055086711944586,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.055086711944586,"endHours":19.055086711944586,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.055086711944586,"endHours":20.055086711944586,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.055086711944586,"endHours":21.055086711944586,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.055086711944586,"endHours":22.055086711944586,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.055086711944586,"endHours":23.055086711944586,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.055086711944586,"endHours":24.055086711944586,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.055086711944586,"endHours":25.055086711944586,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.055086711944586,"endHours":26.055086711944586,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.055086711944586,"endHours":27.055086711944586,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.055086711944586,"endHours":28.055086711944586,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.055086711944586,"endHours":29.055086711944586,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.055086711944586,"endHours":30.055086711944586,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.405510397340414,"eotMinutes":8.793110393778392,"ayanamsa":24.2264}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"tiruchirappalli"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 24, 2026 CE · Tiruchirappalli (Trichy), Tamil Nadu · Vidhyamitra","description":"September 24, 2026 CE for Tiruchirappalli (Trichy), Tamil Nadu: Śukla Trayodaśī, sūryodaya 06:03, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tiruchirappalli/2026-09-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tiruchirappalli/2026-09-24","sa":"https://sa.vidhyamitra.com/city/tiruchirappalli/2026-09-24","hi":"https://hi.vidhyamitra.com/city/tiruchirappalli/2026-09-24","x-default":"https://vidhyamitra.com/city/tiruchirappalli/2026-09-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-21T05:26:41.604Z","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":"2026-08-21T05:26:41.604Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-21T05:26:41.604Z","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"}}}