{"id":"vidhyamitra:city-day:chidambaram:2026-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chidambaram/2026-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-04-04","date_display":"April 4, 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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461134.770833,"kali_year":5127,"ahargana":1872669.2708,"sun":{"sidereal_longitude":350.1709,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":195.0703,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.8994,"elapsed_within_tithi_degrees":0.8994},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.0703,"elapsed_within_degrees":8.4036},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.2411},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461134.770833,"ahargana":1872669.2708,"kali_year":5127,"ayanamsa_lahiri":24.2198,"grahas":{"sun":{"sidereal_longitude":350.069811,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":192.35471099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-3.8193},"mars":{"sidereal_longitude":330.864111,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":321.9529110000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":81.60161099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":10.821710999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":341.790111,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":316.9701,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":136.9701,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":"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":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461134.770833,"kali_year":5127,"ahargana":1872669.2708,"sun":{"sidereal_longitude":350.1709,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":195.0703,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.8994,"elapsed_within_tithi_degrees":0.8994},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.0703,"elapsed_within_degrees":8.4036},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.2411},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.819,"elongation":155.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.819,"opposition_distance":24.899}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":1.168,"elongation":1.468}]},"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":"06:07","sunsetLocal":"18:23","solarNoonLocal":"12:15","dayLengthHours":12.265952850728032,"dayLengthDisplay":"12 Hours 15 Mins 57 Secs","nightLengthDisplay":"11 Hours 44 Mins 03 Secs","moonriseLocal":"19:53","moonsetLocal":"07:35","rahuKala":{"name":"Rāhu Kāla","start":"09:11","end":"10:43","startHours":9.177492172300163,"endHours":10.710736278641166,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:47","end":"15:19","startHours":13.777224491323175,"endHours":15.310468597664178,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:07","end":"07:39","startHours":6.111003959618154,"endHours":7.644248065959158,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.973059624788029,"endHours":9.381924719812297,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.622085328398489,"endHours":6.949177404417903,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.835115289957901,"endHours":12.652845480006437,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:18","startHours":4.475543579521083,"endHours":5.293273769569619,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:07","startHours":5.088841222057485,"endHours":6.111003959618154,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:06","startHours":14.28830586010351,"endHours":15.106036050152046,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.176956810346187,"endHours":18.576956810346186,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:53","startHours":18.376956810346186,"endHours":18.88803817912652,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.126956810346186,"endHours":19.876956810346186,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.8351152899579,"endHours":24.652845480006437,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:07","end":"07:39","startHours":6.111003959618154,"endHours":7.644248065959158,"quality":"inauspicious"},{"name":"Śubha","start":"07:39","end":"09:11","startHours":7.644248065959158,"endHours":9.177492172300163,"quality":"auspicious"},{"name":"Roga","start":"09:11","end":"10:43","startHours":9.177492172300163,"endHours":10.710736278641166,"quality":"inauspicious"},{"name":"Udveg","start":"10:43","end":"12:15","startHours":10.710736278641166,"endHours":12.24398038498217,"quality":"inauspicious"},{"name":"Chala","start":"12:15","end":"13:47","startHours":12.24398038498217,"endHours":13.777224491323175,"quality":"neutral"},{"name":"Labha","start":"13:47","end":"15:19","startHours":13.777224491323175,"endHours":15.310468597664178,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:51","startHours":15.310468597664178,"endHours":16.843712704005185,"quality":"auspicious"},{"name":"Kāla","start":"16:51","end":"18:23","startHours":16.843712704005185,"endHours":18.376956810346186,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:23","end":"19:51","startHours":18.376956810346186,"endHours":19.84371270400518,"quality":"auspicious"},{"name":"Amṛta","start":"19:51","end":"21:19","startHours":19.84371270400518,"endHours":21.31046859766418,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:47","startHours":21.31046859766418,"endHours":22.777224491323175,"quality":"inauspicious"},{"name":"Śubha","start":"22:47","end":"00:15","startHours":22.777224491323175,"endHours":24.24398038498217,"quality":"auspicious"},{"name":"Roga","start":"00:15","end":"01:43","startHours":24.24398038498217,"endHours":25.710736278641164,"quality":"inauspicious"},{"name":"Udveg","start":"01:43","end":"03:11","startHours":25.710736278641164,"endHours":27.177492172300163,"quality":"inauspicious"},{"name":"Chala","start":"03:11","end":"04:39","startHours":27.177492172300163,"endHours":28.644248065959157,"quality":"neutral"},{"name":"Labha","start":"04:39","end":"06:07","startHours":28.644248065959157,"endHours":30.111003959618152,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.111003959618154,"endHours":7.111003959618154,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.111003959618154,"endHours":8.111003959618154,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.111003959618154,"endHours":9.111003959618154,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.111003959618154,"endHours":10.111003959618154,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.111003959618154,"endHours":11.111003959618154,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.111003959618154,"endHours":12.111003959618154,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.111003959618154,"endHours":13.111003959618154,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.111003959618154,"endHours":14.111003959618154,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.111003959618154,"endHours":15.111003959618154,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.111003959618154,"endHours":16.111003959618152,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.111003959618152,"endHours":17.111003959618152,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.111003959618152,"endHours":18.111003959618152,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.111003959618152,"endHours":19.111003959618152,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.111003959618152,"endHours":20.111003959618152,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.111003959618152,"endHours":21.111003959618152,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.111003959618152,"endHours":22.111003959618152,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.111003959618152,"endHours":23.111003959618152,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.111003959618152,"endHours":24.111003959618152,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.111003959618152,"endHours":25.111003959618152,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.111003959618152,"endHours":26.111003959618152,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.111003959618152,"endHours":27.111003959618152,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.111003959618152,"endHours":28.111003959618152,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.111003959618152,"endHours":29.111003959618152,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.111003959618152,"endHours":30.111003959618152,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.633779953680517,"eotMinutes":-3.4036230989301703,"ayanamsa":24.2198}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Tṛtīyā · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 4, 2026 CE · Chidambaram (Naṭarāja) · Vidhyamitra","description":"April 4, 2026 CE for Chidambaram (Naṭarāja): Kṛṣṇa Tṛtīyā, sūryodaya 06:07, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chidambaram/2026-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chidambaram/2026-04-04","sa":"https://sa.vidhyamitra.com/city/chidambaram/2026-04-04","hi":"https://hi.vidhyamitra.com/city/chidambaram/2026-04-04","x-default":"https://vidhyamitra.com/city/chidambaram/2026-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-20T03:23:28.082Z","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":"2026-08-20T03:23:28.082Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-20T03:23:28.082Z","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"}}}