{"id":"vidhyamitra:city-day:colombo:2011-08-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2011-08-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-08-09","date_display":"August 9, 2011 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455782.770833,"kali_year":5113,"ahargana":1867317.2708,"sun":{"sidereal_longitude":111.5162,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":233.7279,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.2118,"elapsed_within_tithi_degrees":2.2118},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.7279,"elapsed_within_degrees":7.0613},"yoga":{"number":26,"name":"Indra","sum_longitude":345.2441},"karana":{"half_tithi_index":20,"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":2011,"month":8,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455782.770833,"ahargana":1867317.2708,"kali_year":5113,"ayanamsa_lahiri":24.0151,"grahas":{"sun":{"sidereal_longitude":112.12309599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":235.105596,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-0.5336},"mars":{"sidereal_longitude":69.54339600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":125.598796,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":15.507795999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":109.91699599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":168.71369600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":240.5448,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":60.5448,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":8,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455782.770833,"kali_year":5113,"ahargana":1867317.2708,"sun":{"sidereal_longitude":111.5162,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":233.7279,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.2118,"elapsed_within_tithi_degrees":2.2118},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.7279,"elapsed_within_degrees":7.0613},"yoga":{"number":26,"name":"Indra","sum_longitude":345.2441},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.534,"elongation":122.212},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.534,"opposition_distance":57.788}},"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":"06:04","sunsetLocal":"18:27","solarNoonLocal":"12:16","dayLengthHours":12.382644688036944,"dayLengthDisplay":"12 Hours 22 Mins 58 Secs","nightLengthDisplay":"11 Hours 37 Mins 02 Secs","moonriseLocal":"14:37","moonsetLocal":"02:18","rahuKala":{"name":"Rāhu Kāla","start":"15:22","end":"16:54","startHours":15.358446569844773,"endHours":16.90627715584939,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:10","end":"10:43","startHours":9.167124225826303,"endHours":10.714954811830921,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:49","startHours":12.26278539783554,"endHours":13.810615983840158,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:22","startHours":8.96074681435902,"endHours":9.373501637293586,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.587406582485273,"endHours":6.917610440832925,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.850030574900973,"endHours":12.675540220770102,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.420443762078808,"endHours":5.245953407947937,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:04","startHours":5.0395759964806555,"endHours":6.071463053817067,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:09","startHours":14.32655951250836,"endHours":15.15206915837749,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.25410774185401,"endHours":18.65410774185401,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:58","startHours":18.45410774185401,"endHours":18.970051270522216,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.20410774185401,"endHours":19.95410774185401,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.85003057490097,"endHours":24.675540220770102,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:04","end":"07:37","startHours":6.071463053817067,"endHours":7.619293639821684,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"09:10","startHours":7.619293639821684,"endHours":9.167124225826303,"quality":"inauspicious"},{"name":"Chala","start":"09:10","end":"10:43","startHours":9.167124225826303,"endHours":10.714954811830921,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:16","startHours":10.714954811830921,"endHours":12.26278539783554,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:49","startHours":12.26278539783554,"endHours":13.810615983840158,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:22","startHours":13.810615983840158,"endHours":15.358446569844773,"quality":"inauspicious"},{"name":"Śubha","start":"15:22","end":"16:54","startHours":15.358446569844773,"endHours":16.90627715584939,"quality":"auspicious"},{"name":"Roga","start":"16:54","end":"18:27","startHours":16.90627715584939,"endHours":18.45410774185401,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:27","end":"19:54","startHours":18.45410774185401,"endHours":19.90627715584939,"quality":"inauspicious"},{"name":"Śubha","start":"19:54","end":"21:22","startHours":19.90627715584939,"endHours":21.358446569844773,"quality":"auspicious"},{"name":"Roga","start":"21:22","end":"22:49","startHours":21.358446569844773,"endHours":22.810615983840158,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:16","startHours":22.810615983840158,"endHours":24.262785397835536,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:43","startHours":24.262785397835536,"endHours":25.71495481183092,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:10","startHours":25.71495481183092,"endHours":27.167124225826303,"quality":"auspicious"},{"name":"Amṛta","start":"03:10","end":"04:37","startHours":27.167124225826303,"endHours":28.619293639821684,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:04","startHours":28.619293639821684,"endHours":30.071463053817066,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.071463053817067,"endHours":7.071463053817067,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.071463053817067,"endHours":8.071463053817066,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.071463053817066,"endHours":9.071463053817066,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.071463053817066,"endHours":10.071463053817066,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.071463053817066,"endHours":11.071463053817066,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.071463053817066,"endHours":12.071463053817066,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.071463053817066,"endHours":13.071463053817066,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.071463053817066,"endHours":14.071463053817066,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.071463053817066,"endHours":15.071463053817066,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.071463053817066,"endHours":16.071463053817066,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.071463053817066,"endHours":17.071463053817066,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.071463053817066,"endHours":18.071463053817066,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.071463053817066,"endHours":19.071463053817066,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.071463053817066,"endHours":20.071463053817066,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.071463053817066,"endHours":21.071463053817066,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.071463053817066,"endHours":22.071463053817066,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.071463053817066,"endHours":23.071463053817066,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.071463053817066,"endHours":24.071463053817066,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.071463053817066,"endHours":25.071463053817066,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.071463053817066,"endHours":26.071463053817066,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.071463053817066,"endHours":27.071463053817066,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.071463053817066,"endHours":28.071463053817066,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.071463053817066,"endHours":29.071463053817066,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.071463053817066,"endHours":30.071463053817066,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.997612657060628,"eotMinutes":-5.211923870132258,"ayanamsa":24.0151}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ekādaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"pavitropana-ekadashi","name":"Pavitropanā Ekādaśī (Putradā)","name_sanskrit":"पवित्रोपना एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Confers son; pavitra (sacred thread) ceremony for Viṣṇu.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 August 9, 2011 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 9, 2011 CE for Colombo, Sri Lanka: Śukla Ekādaśī, sūryodaya 06:04, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2011-08-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2011-08-09","sa":"https://sa.vidhyamitra.com/city/colombo/2011-08-09","hi":"https://hi.vidhyamitra.com/city/colombo/2011-08-09","x-default":"https://vidhyamitra.com/city/colombo/2011-08-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:19:24.432Z","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":"2026-06-03T06:19:24.432Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:19:24.432Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}