{"id":"vidhyamitra:city-day:chidambaram:2026-04-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chidambaram/2026-04-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-04-23","date_display":"April 23, 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":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461153.770833,"kali_year":5128,"ahargana":1872688.2708,"sun":{"sidereal_longitude":8.7325,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.9612,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.2287,"elapsed_within_tithi_degrees":1.2287},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.9612,"elapsed_within_degrees":1.9612},"yoga":{"number":7,"name":"Sukarma","sum_longitude":90.6937},"karana":{"half_tithi_index":12,"name":"Gara"},"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":4,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461153.770833,"ahargana":1872688.2708,"kali_year":5128,"ayanamsa_lahiri":24.2205,"grahas":{"sun":{"sidereal_longitude":8.69428499999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":84.92368499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":3.6394},"mars":{"sidereal_longitude":345.624785,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":347.328785,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":83.47648500000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"venus":{"sidereal_longitude":34.071685,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":344.089585,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":315.9634,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":135.9634,"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":4,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461153.770833,"kali_year":5128,"ahargana":1872688.2708,"sun":{"sidereal_longitude":8.7325,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.9612,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":73.2287,"elapsed_within_tithi_degrees":1.2287},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.9612,"elapsed_within_degrees":1.9612},"yoga":{"number":7,"name":"Sukarma","sum_longitude":90.6937},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.639,"elongation":73.229},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.639,"opposition_distance":106.771}},"eclipse_window_40days":[]},"city":{"slug":"chidambaram","name":"Chidambaram (Naṭarāja)","lat":11.407,"lon":79.6912,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"chidambaram","name":"Chidambaram (Naṭarāja)","lat":11.407,"lon":79.6912,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"sunriseLocal":"05:56","sunsetLocal":"18:23","solarNoonLocal":"12:10","dayLengthHours":12.457504054844172,"dayLengthDisplay":"12 Hours 27 Mins 27 Secs","nightLengthDisplay":"11 Hours 32 Mins 33 Secs","moonriseLocal":"10:53","moonsetLocal":"23:36","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:16","startHours":13.717731527778612,"endHours":15.274919534634133,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:56","end":"07:29","startHours":5.931791493501005,"endHours":7.4889795003565265,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:03","end":"10:36","startHours":9.046167507212047,"endHours":10.60335551406757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:15","startHours":8.838542439631311,"endHours":9.253792574792785,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4508541624528455,"endHours":6.783054270582023,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:35","startHours":11.74529338576162,"endHours":12.575793656084564,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:06","startHours":4.270790952855116,"endHours":5.10129122317806,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:56","startHours":4.893666155597324,"endHours":5.931791493501005,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:04","startHours":14.236794196730454,"endHours":15.067294467053399,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.18929554834518,"endHours":18.589295548345177,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:55","startHours":18.389295548345178,"endHours":18.908358217297017,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.139295548345178,"endHours":19.889295548345178,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:35","startHours":23.74529338576162,"endHours":24.575793656084564,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:56","end":"07:29","startHours":5.931791493501005,"endHours":7.4889795003565265,"quality":"auspicious"},{"name":"Roga","start":"07:29","end":"09:03","startHours":7.4889795003565265,"endHours":9.046167507212047,"quality":"inauspicious"},{"name":"Udveg","start":"09:03","end":"10:36","startHours":9.046167507212047,"endHours":10.60335551406757,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:10","startHours":10.60335551406757,"endHours":12.160543520923092,"quality":"neutral"},{"name":"Labha","start":"12:10","end":"13:43","startHours":12.160543520923092,"endHours":13.717731527778612,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:16","startHours":13.717731527778612,"endHours":15.274919534634133,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:50","startHours":15.274919534634133,"endHours":16.832107541489655,"quality":"inauspicious"},{"name":"Śubha","start":"16:50","end":"18:23","startHours":16.832107541489655,"endHours":18.389295548345178,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:23","end":"19:50","startHours":18.389295548345178,"endHours":19.832107541489655,"quality":"auspicious"},{"name":"Kāla","start":"19:50","end":"21:16","startHours":19.832107541489655,"endHours":21.274919534634137,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:43","startHours":21.274919534634137,"endHours":22.717731527778614,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:10","startHours":22.717731527778614,"endHours":24.160543520923092,"quality":"inauspicious"},{"name":"Udveg","start":"00:10","end":"01:36","startHours":24.160543520923092,"endHours":25.60335551406757,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:03","startHours":25.60335551406757,"endHours":27.046167507212047,"quality":"neutral"},{"name":"Labha","start":"03:03","end":"04:29","startHours":27.046167507212047,"endHours":28.48897950035653,"quality":"auspicious"},{"name":"Amṛta","start":"04:29","end":"05:56","startHours":28.48897950035653,"endHours":29.931791493501006,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.931791493501005,"endHours":6.931791493501005,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.931791493501005,"endHours":7.931791493501005,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.931791493501005,"endHours":8.931791493501006,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.931791493501006,"endHours":9.931791493501006,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.931791493501006,"endHours":10.931791493501006,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.931791493501006,"endHours":11.931791493501006,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.931791493501006,"endHours":12.931791493501006,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.931791493501006,"endHours":13.931791493501006,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.931791493501006,"endHours":14.931791493501006,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.931791493501006,"endHours":15.931791493501006,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.931791493501006,"endHours":16.931791493501006,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.931791493501006,"endHours":17.931791493501006,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.931791493501006,"endHours":18.931791493501006,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.931791493501006,"endHours":19.931791493501006,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.931791493501006,"endHours":20.931791493501006,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.931791493501006,"endHours":21.931791493501006,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.931791493501006,"endHours":22.931791493501006,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.931791493501006,"endHours":23.931791493501006,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.931791493501006,"endHours":24.931791493501006,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.931791493501006,"endHours":25.931791493501006,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.931791493501006,"endHours":26.931791493501006,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.931791493501006,"endHours":27.931791493501006,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.931791493501006,"endHours":28.931791493501006,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.931791493501006,"endHours":29.931791493501006,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.481494509440294,"eotMinutes":1.6025887446145586,"ayanamsa":24.2205}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Saptamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"ganga-saptami","name":"Gaṅgā Saptamī","name_sanskrit":"गङ्गा सप्तमी","tradition":"Pan-Hindu","associated_deity":"Devī Gaṅgā","significance":"Gaṅgā Devī's descent to Brahma-loka before her earth-descent.","vrata":true,"detection":{"tithi_number":7,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"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 Gaṅgā Saptamī is not live yet; Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"chidambaram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 23, 2026 CE · Chidambaram (Naṭarāja) · Vidhyamitra","description":"April 23, 2026 CE for Chidambaram (Naṭarāja): Śukla Saptamī, sūryodaya 05:56, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chidambaram/2026-04-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chidambaram/2026-04-23","sa":"https://sa.vidhyamitra.com/city/chidambaram/2026-04-23","hi":"https://hi.vidhyamitra.com/city/chidambaram/2026-04-23","x-default":"https://vidhyamitra.com/city/chidambaram/2026-04-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-22T10:18:37.428Z","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":"2026-08-22T10:18:37.428Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-22T10:18:37.428Z","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"}}}