{"id":"vidhyamitra:city-day:chidambaram:2027-04-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chidambaram/2027-04-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-04-05","date_display":"April 5, 2027 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":2027,"month":4,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461500.770833,"kali_year":5128,"ahargana":1873035.2708,"sun":{"sidereal_longitude":350.8996,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":326.6258,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.7263,"elapsed_within_tithi_degrees":11.7263},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6258,"elapsed_within_degrees":6.6258},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.5254},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2027,"month":4,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461500.770833,"ahargana":1873035.2708,"kali_year":5128,"ayanamsa_lahiri":24.2338,"grahas":{"sun":{"sidereal_longitude":350.802827,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":327.377127,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":2.1832},"mars":{"sidereal_longitude":116.37962700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":328.937727,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":112.642627,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":317.12282700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":353.154627,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":297.5777,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.5777,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"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":2027,"month":4,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461500.770833,"kali_year":5128,"ahargana":1873035.2708,"sun":{"sidereal_longitude":350.8996,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":326.6258,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":335.7263,"elapsed_within_tithi_degrees":11.7263},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6258,"elapsed_within_degrees":6.6258},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.5254},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.183,"elongation":24.274},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.183,"opposition_distance":155.726}},"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":"06:06","sunsetLocal":"18:23","solarNoonLocal":"12:14","dayLengthHours":12.27386744357547,"dayLengthDisplay":"12 Hours 16 Mins 26 Secs","nightLengthDisplay":"11 Hours 43 Mins 34 Secs","moonriseLocal":"04:41","moonsetLocal":"16:40","rahuKala":{"name":"Rāhu Kāla","start":"07:38","end":"09:10","startHours":7.636138898090472,"endHours":9.170372328537406,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:14","startHours":10.70460575898434,"endHours":12.238839189431275,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:46","end":"15:18","startHours":13.773072619878207,"endHours":15.307306050325142,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:22","startHours":8.96580787114448,"endHours":9.37493678593033,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.61331661112585,"endHours":6.940619742954529,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.829710274645425,"endHours":12.647968104217124,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:17","startHours":4.465389808500142,"endHours":5.283647638071841,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:06","startHours":5.079083180678916,"endHours":6.1019054676435385,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:06","startHours":14.284483763360518,"endHours":15.102741592932215,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.17577291121901,"endHours":18.57577291121901,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:53","startHours":18.37577291121901,"endHours":18.887184054701322,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.12577291121901,"endHours":19.87577291121901,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.829710274645425,"endHours":24.647968104217124,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:06","end":"07:38","startHours":6.1019054676435385,"endHours":7.636138898090472,"quality":"auspicious"},{"name":"Kāla","start":"07:38","end":"09:10","startHours":7.636138898090472,"endHours":9.170372328537406,"quality":"inauspicious"},{"name":"Śubha","start":"09:10","end":"10:42","startHours":9.170372328537406,"endHours":10.70460575898434,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:14","startHours":10.70460575898434,"endHours":12.238839189431275,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:46","startHours":12.238839189431275,"endHours":13.773072619878207,"quality":"inauspicious"},{"name":"Chala","start":"13:46","end":"15:18","startHours":13.773072619878207,"endHours":15.307306050325142,"quality":"neutral"},{"name":"Labha","start":"15:18","end":"16:50","startHours":15.307306050325142,"endHours":16.841539480772077,"quality":"auspicious"},{"name":"Amṛta","start":"16:50","end":"18:23","startHours":16.841539480772077,"endHours":18.37577291121901,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:23","end":"19:50","startHours":18.37577291121901,"endHours":19.841539480772074,"quality":"neutral"},{"name":"Labha","start":"19:50","end":"21:18","startHours":19.841539480772074,"endHours":21.307306050325142,"quality":"auspicious"},{"name":"Amṛta","start":"21:18","end":"22:46","startHours":21.307306050325142,"endHours":22.773072619878207,"quality":"auspicious"},{"name":"Kāla","start":"22:46","end":"00:14","startHours":22.773072619878207,"endHours":24.238839189431275,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:42","startHours":24.238839189431275,"endHours":25.70460575898434,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:10","startHours":25.70460575898434,"endHours":27.170372328537404,"quality":"inauspicious"},{"name":"Udveg","start":"03:10","end":"04:38","startHours":27.170372328537404,"endHours":28.636138898090472,"quality":"inauspicious"},{"name":"Chala","start":"04:38","end":"06:06","startHours":28.636138898090472,"endHours":30.10190546764354,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.1019054676435385,"endHours":7.1019054676435385,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.1019054676435385,"endHours":8.101905467643538,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.101905467643538,"endHours":9.101905467643538,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.101905467643538,"endHours":10.101905467643538,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.101905467643538,"endHours":11.101905467643538,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.101905467643538,"endHours":12.101905467643538,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.101905467643538,"endHours":13.101905467643538,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.101905467643538,"endHours":14.101905467643538,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.101905467643538,"endHours":15.101905467643538,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.101905467643538,"endHours":16.10190546764354,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.10190546764354,"endHours":17.10190546764354,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.10190546764354,"endHours":18.10190546764354,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.10190546764354,"endHours":19.10190546764354,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.10190546764354,"endHours":20.10190546764354,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.10190546764354,"endHours":21.10190546764354,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.10190546764354,"endHours":22.10190546764354,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.10190546764354,"endHours":23.10190546764354,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.10190546764354,"endHours":24.10190546764354,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.10190546764354,"endHours":25.10190546764354,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.10190546764354,"endHours":26.10190546764354,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.10190546764354,"endHours":27.10190546764354,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.10190546764354,"endHours":28.10190546764354,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.10190546764354,"endHours":29.10190546764354,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.10190546764354,"endHours":30.10190546764354,"planetary_lord":"Venus"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","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":5.922681947601004,"eotMinutes":-3.095151365876405,"ayanamsa":24.2338}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","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":"Caitra Kṛṣṇa Trayodaśī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Somavāra (Monday) — 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 5, 2027 CE · Chidambaram (Naṭarāja) · Vidhyamitra","description":"April 5, 2027 CE for Chidambaram (Naṭarāja): Kṛṣṇa Trayodaśī, sūryodaya 06:06, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chidambaram/2027-04-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chidambaram/2027-04-05","sa":"https://sa.vidhyamitra.com/city/chidambaram/2027-04-05","hi":"https://hi.vidhyamitra.com/city/chidambaram/2027-04-05","x-default":"https://vidhyamitra.com/city/chidambaram/2027-04-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-23T04:36:51.761Z","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":"2026-08-23T04:36:51.761Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-23T04:36:51.761Z","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"}}}