{"id":"vidhyamitra:city-day:colombo:2001-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2001-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-11","date_display":"December 11, 2001 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":2001,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452254.770833,"kali_year":5103,"ahargana":1863789.2708,"sun":{"sidereal_longitude":234.7558,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":187.3998,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.644,"elapsed_within_tithi_degrees":0.644},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.3998,"elapsed_within_degrees":0.7331},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.1555},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":2001,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452254.770833,"ahargana":1863789.2708,"kali_year":5103,"ayanamsa_lahiri":23.8801,"grahas":{"sun":{"sidereal_longitude":235.179892,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":187.23389199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":3.8991},"mars":{"sidereal_longitude":307.674992,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":238.55089199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":79.370992,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":226.91589199999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":46.886792000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":67.4752,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":247.4752,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"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":2001,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452254.770833,"kali_year":5103,"ahargana":1863789.2708,"sun":{"sidereal_longitude":234.7558,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":187.3998,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.644,"elapsed_within_tithi_degrees":0.644},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":187.3998,"elapsed_within_degrees":0.7331},"yoga":{"number":5,"name":"Śobhana","sum_longitude":62.1555},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.899,"elongation":47.356},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.899,"opposition_distance":132.644}},"eclipse_window_40days":[]},"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"tier2":{"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"sunriseLocal":"06:13","sunsetLocal":"17:56","solarNoonLocal":"12:05","dayLengthHours":11.727768965215716,"dayLengthDisplay":"11 Hours 43 Mins 40 Secs","nightLengthDisplay":"12 Hours 16 Mins 20 Secs","moonriseLocal":"02:56","moonsetLocal":"14:49","rahuKala":{"name":"Rāhu Kāla","start":"15:00","end":"16:28","startHours":15.008060863228383,"endHours":16.474031983880348,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:37","startHours":9.144176380620525,"endHours":10.61014750127249,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:05","end":"13:33","startHours":12.076118621924454,"endHours":13.542089742576419,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:20","startHours":8.948713564533596,"endHours":9.339639196707454,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:01","startHours":6.700891179533918,"endHours":7.013631685273004,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:28","startHours":11.685192989750597,"endHours":12.467044254098312,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:39","end":"05:26","startHours":4.648531610621167,"endHours":5.430382874968881,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:13","startHours":5.234920058881953,"endHours":6.212234139316596,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:49","startHours":14.030746782793742,"endHours":14.812598047141456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.740003104532313,"endHours":18.140003104532312,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:26","startHours":17.940003104532313,"endHours":18.428660144749635,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.690003104532313,"endHours":19.440003104532313,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:28","startHours":23.685192989750597,"endHours":24.46704425409831,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:13","end":"07:41","startHours":6.212234139316596,"endHours":7.678205259968561,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:09","startHours":7.678205259968561,"endHours":9.144176380620525,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:37","startHours":9.144176380620525,"endHours":10.61014750127249,"quality":"neutral"},{"name":"Labha","start":"10:37","end":"12:05","startHours":10.61014750127249,"endHours":12.076118621924454,"quality":"auspicious"},{"name":"Amṛta","start":"12:05","end":"13:33","startHours":12.076118621924454,"endHours":13.542089742576419,"quality":"auspicious"},{"name":"Kāla","start":"13:33","end":"15:00","startHours":13.542089742576419,"endHours":15.008060863228383,"quality":"inauspicious"},{"name":"Śubha","start":"15:00","end":"16:28","startHours":15.008060863228383,"endHours":16.474031983880348,"quality":"auspicious"},{"name":"Roga","start":"16:28","end":"17:56","startHours":16.474031983880348,"endHours":17.940003104532313,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:56","end":"19:28","startHours":17.940003104532313,"endHours":19.474031983880348,"quality":"inauspicious"},{"name":"Śubha","start":"19:28","end":"21:00","startHours":19.474031983880348,"endHours":21.008060863228383,"quality":"auspicious"},{"name":"Roga","start":"21:00","end":"22:33","startHours":21.008060863228383,"endHours":22.54208974257642,"quality":"inauspicious"},{"name":"Udveg","start":"22:33","end":"00:05","startHours":22.54208974257642,"endHours":24.076118621924454,"quality":"inauspicious"},{"name":"Chala","start":"00:05","end":"01:37","startHours":24.076118621924454,"endHours":25.61014750127249,"quality":"neutral"},{"name":"Labha","start":"01:37","end":"03:09","startHours":25.61014750127249,"endHours":27.144176380620525,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:41","startHours":27.144176380620525,"endHours":28.67820525996856,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:13","startHours":28.67820525996856,"endHours":30.212234139316596,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.212234139316596,"endHours":7.212234139316596,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.212234139316596,"endHours":8.212234139316596,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.212234139316596,"endHours":9.212234139316596,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.212234139316596,"endHours":10.212234139316596,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.212234139316596,"endHours":11.212234139316596,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.212234139316596,"endHours":12.212234139316596,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.212234139316596,"endHours":13.212234139316596,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.212234139316596,"endHours":14.212234139316596,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.212234139316596,"endHours":15.212234139316596,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.212234139316596,"endHours":16.212234139316596,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.212234139316596,"endHours":17.212234139316596,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.212234139316596,"endHours":18.212234139316596,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.212234139316596,"endHours":19.212234139316596,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.212234139316596,"endHours":20.212234139316596,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.212234139316596,"endHours":21.212234139316596,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.212234139316596,"endHours":22.212234139316596,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.212234139316596,"endHours":23.212234139316596,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.212234139316596,"endHours":24.212234139316596,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.212234139316596,"endHours":25.212234139316596,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.212234139316596,"endHours":26.212234139316596,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.212234139316596,"endHours":27.212234139316596,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.212234139316596,"endHours":28.212234139316596,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.212234139316596,"endHours":29.212234139316596,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.212234139316596,"endHours":30.212234139316596,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.98587855801788,"eotMinutes":5.988082684532823,"ayanamsa":23.8801}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Dvādaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":"colombo"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 11, 2001 CE · Colombo, Sri Lanka · Vidhyamitra","description":"December 11, 2001 CE for Colombo, Sri Lanka: Kṛṣṇa Dvādaśī, sūryodaya 06:13, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2001-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2001-12-11","sa":"https://sa.vidhyamitra.com/city/colombo/2001-12-11","hi":"https://hi.vidhyamitra.com/city/colombo/2001-12-11","x-default":"https://vidhyamitra.com/city/colombo/2001-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:32:23.835Z","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":"2026-09-06T07:32:23.836Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:32:23.836Z","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"}}}