{"id":"vidhyamitra:city-day:chidambaram:2025-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/chidambaram/2025-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-02-11","date_display":"February 11, 2025 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":2025,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460717.770833,"kali_year":5126,"ahargana":1872252.2708,"sun":{"sidereal_longitude":298.3747,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.0909,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.7162,"elapsed_within_tithi_degrees":6.7162},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.0909,"elapsed_within_degrees":7.7576},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.4656},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2025,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460717.770833,"ahargana":1872252.2708,"kali_year":5126,"ayanamsa_lahiri":24.2038,"grahas":{"sun":{"sidereal_longitude":298.355143,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":100.13804299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":3.814},"mars":{"sidereal_longitude":83.53384299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":299.18834300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":47.10294299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":340.008443,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":324.444343,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":339.0648,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":159.0648,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460717.770833,"kali_year":5126,"ahargana":1872252.2708,"sun":{"sidereal_longitude":298.3747,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":101.0909,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.7162,"elapsed_within_tithi_degrees":6.7162},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.0909,"elapsed_within_degrees":7.7576},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.4656},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.814,"elongation":162.716},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.814,"opposition_distance":17.284}},"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":"06:34","sunsetLocal":"18:18","solarNoonLocal":"12:26","dayLengthHours":11.732615446575847,"dayLengthDisplay":"11 Hours 43 Mins 57 Secs","nightLengthDisplay":"12 Hours 16 Mins 03 Secs","moonriseLocal":"16:54","moonsetLocal":"05:32","rahuKala":{"name":"Rāhu Kāla","start":"15:22","end":"16:50","startHours":15.363359554153607,"endHours":16.82993648497559,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:30","end":"10:58","startHours":9.497051830865685,"endHours":10.963628761687666,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:26","end":"13:54","startHours":12.430205692509645,"endHours":13.896782623331628,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:42","startHours":9.30150824008942,"endHours":9.692595421641949,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:22","startHours":7.052756946162383,"endHours":7.3656266914044055,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:49","startHours":12.039118510957117,"endHours":12.821292874062173,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:47","startHours":4.999549243011609,"endHours":5.781723606116666,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:34","startHours":5.5861800153404015,"endHours":6.563897969221722,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:10","startHours":14.385641600272287,"endHours":15.167815963377343,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.09651341579757,"endHours":18.49651341579757,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:47","startHours":18.29651341579757,"endHours":18.78537239273823,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.04651341579757,"endHours":19.79651341579757,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:49","startHours":24.039118510957117,"endHours":24.821292874062173,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:34","end":"08:02","startHours":6.563897969221722,"endHours":8.030474900043703,"quality":"inauspicious"},{"name":"Udveg","start":"08:02","end":"09:30","startHours":8.030474900043703,"endHours":9.497051830865685,"quality":"inauspicious"},{"name":"Chala","start":"09:30","end":"10:58","startHours":9.497051830865685,"endHours":10.963628761687666,"quality":"neutral"},{"name":"Labha","start":"10:58","end":"12:26","startHours":10.963628761687666,"endHours":12.430205692509645,"quality":"auspicious"},{"name":"Amṛta","start":"12:26","end":"13:54","startHours":12.430205692509645,"endHours":13.896782623331628,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:22","startHours":13.896782623331628,"endHours":15.363359554153607,"quality":"inauspicious"},{"name":"Śubha","start":"15:22","end":"16:50","startHours":15.363359554153607,"endHours":16.82993648497559,"quality":"auspicious"},{"name":"Roga","start":"16:50","end":"18:18","startHours":16.82993648497559,"endHours":18.29651341579757,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:18","end":"19:50","startHours":18.29651341579757,"endHours":19.82993648497559,"quality":"inauspicious"},{"name":"Śubha","start":"19:50","end":"21:22","startHours":19.82993648497559,"endHours":21.363359554153607,"quality":"auspicious"},{"name":"Roga","start":"21:22","end":"22:54","startHours":21.363359554153607,"endHours":22.896782623331628,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:26","startHours":22.896782623331628,"endHours":24.430205692509645,"quality":"inauspicious"},{"name":"Chala","start":"00:26","end":"01:58","startHours":24.430205692509645,"endHours":25.963628761687666,"quality":"neutral"},{"name":"Labha","start":"01:58","end":"03:30","startHours":25.963628761687666,"endHours":27.497051830865686,"quality":"auspicious"},{"name":"Amṛta","start":"03:30","end":"05:02","startHours":27.497051830865686,"endHours":29.030474900043703,"quality":"auspicious"},{"name":"Kāla","start":"05:02","end":"06:34","startHours":29.030474900043703,"endHours":30.56389796922172,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:34","end":"07:34","startHours":6.563897969221722,"endHours":7.563897969221722,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:34","end":"08:34","startHours":7.563897969221722,"endHours":8.563897969221722,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:34","end":"09:34","startHours":8.563897969221722,"endHours":9.563897969221722,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:34","end":"10:34","startHours":9.563897969221722,"endHours":10.563897969221722,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:34","end":"11:34","startHours":10.563897969221722,"endHours":11.563897969221722,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:34","end":"12:34","startHours":11.563897969221722,"endHours":12.563897969221722,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:34","end":"13:34","startHours":12.563897969221722,"endHours":13.563897969221722,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:34","end":"14:34","startHours":13.563897969221722,"endHours":14.563897969221722,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:34","end":"15:34","startHours":14.563897969221722,"endHours":15.563897969221722,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:34","end":"16:34","startHours":15.563897969221722,"endHours":16.56389796922172,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:34","end":"17:34","startHours":16.56389796922172,"endHours":17.56389796922172,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:34","end":"18:34","startHours":17.56389796922172,"endHours":18.56389796922172,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:34","end":"19:34","startHours":18.56389796922172,"endHours":19.56389796922172,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:34","end":"20:34","startHours":19.56389796922172,"endHours":20.56389796922172,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:34","end":"21:34","startHours":20.56389796922172,"endHours":21.56389796922172,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:34","end":"22:34","startHours":21.56389796922172,"endHours":22.56389796922172,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:34","end":"23:34","startHours":22.56389796922172,"endHours":23.56389796922172,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:34","end":"00:34","startHours":23.56389796922172,"endHours":24.56389796922172,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:34","end":"01:34","startHours":24.56389796922172,"endHours":25.56389796922172,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:34","end":"02:34","startHours":25.56389796922172,"endHours":26.56389796922172,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:34","end":"03:34","startHours":26.56389796922172,"endHours":27.56389796922172,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:34","end":"04:34","startHours":27.56389796922172,"endHours":28.56389796922172,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:34","end":"05:34","startHours":28.56389796922172,"endHours":29.56389796922172,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:34","end":"06:34","startHours":29.56389796922172,"endHours":30.56389796922172,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.992769093534418,"eotMinutes":-14.577141550578775,"ayanamsa":24.2038}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturdaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 11, 2025 CE · Chidambaram (Naṭarāja) · Vidhyamitra","description":"February 11, 2025 CE for Chidambaram (Naṭarāja): Śukla Caturdaśī, sūryodaya 06:34, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/chidambaram/2025-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/chidambaram/2025-02-11","sa":"https://sa.vidhyamitra.com/city/chidambaram/2025-02-11","hi":"https://hi.vidhyamitra.com/city/chidambaram/2025-02-11","x-default":"https://vidhyamitra.com/city/chidambaram/2025-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-27T00:05:41.698Z","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":"2026-08-27T00:05:41.698Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-27T00:05:41.698Z","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"}}}