{"id":"vidhyamitra:city-day:tiruchirappalli:2026-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/tiruchirappalli/2026-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-05-20","date_display":"May 20, 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":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461180.770833,"kali_year":5128,"ahargana":1872715.2708,"sun":{"sidereal_longitude":34.7362,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":77.2014,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4652,"elapsed_within_tithi_degrees":6.4652},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.2014,"elapsed_within_degrees":10.5347},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.9375},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461180.770833,"ahargana":1872715.2708,"kali_year":5128,"ayanamsa_lahiri":24.2215,"grahas":{"sun":{"sidereal_longitude":34.84385299999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":80.219853,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":3.787},"mars":{"sidereal_longitude":6.214652999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":41.01725299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":87.49945300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":66.620453,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":347.00755300000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":314.5328,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":134.5328,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"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":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461180.770833,"kali_year":5128,"ahargana":1872715.2708,"sun":{"sidereal_longitude":34.7362,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":77.2014,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4652,"elapsed_within_tithi_degrees":6.4652},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":77.2014,"elapsed_within_degrees":10.5347},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.9375},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.787,"elongation":42.465},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.787,"opposition_distance":137.535}},"eclipse_window_40days":[]},"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":"05:52","sunsetLocal":"18:31","solarNoonLocal":"12:12","dayLengthHours":12.649481805045449,"dayLengthDisplay":"12 Hours 38 Mins 58 Secs","nightLengthDisplay":"11 Hours 21 Mins 02 Secs","moonriseLocal":"08:52","moonsetLocal":"21:34","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:46","startHours":12.193048116396913,"endHours":13.774233342027593,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"09:02","startHours":7.449492439504868,"endHours":9.03067766513555,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:37","end":"12:12","startHours":10.611862890766231,"endHours":12.193048116396913,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:14","startHours":8.819852968384792,"endHours":9.241502361886308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:44","startHours":6.395368955751081,"endHours":6.732688470552294,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:37","startHours":11.771398722895398,"endHours":12.614697509898427,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:02","startHours":4.181709639868128,"endHours":5.025008426871158,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:52","startHours":4.8141837301204,"endHours":5.868307213874187,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:09","startHours":14.301295083904487,"endHours":15.144593870907517,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.317789018919637,"endHours":18.717789018919635,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.517789018919636,"endHours":19.04485076079653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.267789018919636,"endHours":20.017789018919636,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:37","startHours":23.7713987228954,"endHours":24.614697509898427,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:52","end":"07:27","startHours":5.868307213874187,"endHours":7.449492439504868,"quality":"auspicious"},{"name":"Amṛta","start":"07:27","end":"09:02","startHours":7.449492439504868,"endHours":9.03067766513555,"quality":"auspicious"},{"name":"Kāla","start":"09:02","end":"10:37","startHours":9.03067766513555,"endHours":10.611862890766231,"quality":"inauspicious"},{"name":"Śubha","start":"10:37","end":"12:12","startHours":10.611862890766231,"endHours":12.193048116396913,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:46","startHours":12.193048116396913,"endHours":13.774233342027593,"quality":"inauspicious"},{"name":"Udveg","start":"13:46","end":"15:21","startHours":13.774233342027593,"endHours":15.355418567658274,"quality":"inauspicious"},{"name":"Chala","start":"15:21","end":"16:56","startHours":15.355418567658274,"endHours":16.936603793288953,"quality":"neutral"},{"name":"Labha","start":"16:56","end":"18:31","startHours":16.936603793288953,"endHours":18.517789018919636,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:31","end":"19:56","startHours":18.517789018919636,"endHours":19.936603793288956,"quality":"inauspicious"},{"name":"Chala","start":"19:56","end":"21:21","startHours":19.936603793288956,"endHours":21.355418567658273,"quality":"neutral"},{"name":"Labha","start":"21:21","end":"22:46","startHours":21.355418567658273,"endHours":22.774233342027593,"quality":"auspicious"},{"name":"Amṛta","start":"22:46","end":"00:12","startHours":22.774233342027593,"endHours":24.193048116396913,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:37","startHours":24.193048116396913,"endHours":25.611862890766233,"quality":"inauspicious"},{"name":"Śubha","start":"01:37","end":"03:02","startHours":25.611862890766233,"endHours":27.03067766513555,"quality":"auspicious"},{"name":"Roga","start":"03:02","end":"04:27","startHours":27.03067766513555,"endHours":28.44949243950487,"quality":"inauspicious"},{"name":"Udveg","start":"04:27","end":"05:52","startHours":28.44949243950487,"endHours":29.86830721387419,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.868307213874187,"endHours":6.868307213874187,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.868307213874187,"endHours":7.868307213874187,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.868307213874187,"endHours":8.868307213874187,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.868307213874187,"endHours":9.868307213874187,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.868307213874187,"endHours":10.868307213874187,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.868307213874187,"endHours":11.868307213874187,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.868307213874187,"endHours":12.868307213874187,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.868307213874187,"endHours":13.868307213874187,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.868307213874187,"endHours":14.868307213874187,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.868307213874187,"endHours":15.868307213874187,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.868307213874187,"endHours":16.86830721387419,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.86830721387419,"endHours":17.86830721387419,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.86830721387419,"endHours":18.86830721387419,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.86830721387419,"endHours":19.86830721387419,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.86830721387419,"endHours":20.86830721387419,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.86830721387419,"endHours":21.86830721387419,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.86830721387419,"endHours":22.86830721387419,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.86830721387419,"endHours":23.86830721387419,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.86830721387419,"endHours":24.86830721387419,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.86830721387419,"endHours":25.86830721387419,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.86830721387419,"endHours":26.86830721387419,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.86830721387419,"endHours":27.86830721387419,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.86830721387419,"endHours":28.86830721387419,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.86830721387419,"endHours":29.86830721387419,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.94736168704582,"eotMinutes":3.5983130161851964,"ayanamsa":24.2215}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha (Adhika) Śukla Caturthī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Dedicated festival walk for Vināyaka Caturthī (monthly) is not live yet; Budhavāra (Wednesday) — 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 May 20, 2026 CE · Tiruchirappalli (Trichy), Tamil Nadu · Vidhyamitra","description":"May 20, 2026 CE for Tiruchirappalli (Trichy), Tamil Nadu: Śukla Caturthī, sūryodaya 05:52, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/tiruchirappalli/2026-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/tiruchirappalli/2026-05-20","sa":"https://sa.vidhyamitra.com/city/tiruchirappalli/2026-05-20","hi":"https://hi.vidhyamitra.com/city/tiruchirappalli/2026-05-20","x-default":"https://vidhyamitra.com/city/tiruchirappalli/2026-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-06T19:39:35.224Z","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":"2026-08-06T19:39:35.224Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-06T19:39:35.224Z","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":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"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"}}}