{"id":"vidhyamitra:city-day:colombo:2011-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2011-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-08-16","date_display":"August 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455789.770833,"kali_year":5113,"ahargana":1867324.2708,"sun":{"sidereal_longitude":118.1973,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":326.6173,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":208.42,"elapsed_within_tithi_degrees":4.42},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6173,"elapsed_within_degrees":6.6173},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.8147},"karana":{"half_tithi_index":34,"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455789.770833,"ahargana":1867324.2708,"kali_year":5113,"ayanamsa_lahiri":24.0153,"grahas":{"sun":{"sidereal_longitude":118.840529,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":324.4118289999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":4.4913},"mars":{"sidereal_longitude":74.16352900000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":120.52952900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":15.907029000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":118.569229,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":169.32692900000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":240.1739,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":60.1739,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455789.770833,"kali_year":5113,"ahargana":1867324.2708,"sun":{"sidereal_longitude":118.1973,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":326.6173,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":208.42,"elapsed_within_tithi_degrees":4.42},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":326.6173,"elapsed_within_degrees":6.6173},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.8147},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.491,"elongation":151.58},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.491,"opposition_distance":28.42}},"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":"18:25","solarNoonLocal":"12:15","dayLengthHours":12.34499198895584,"dayLengthDisplay":"12 Hours 20 Mins 42 Secs","nightLengthDisplay":"11 Hours 39 Mins 18 Secs","moonriseLocal":"19:57","moonsetLocal":"07:57","rahuKala":{"name":"Rāhu Kāla","start":"15:20","end":"16:52","startHours":15.328332257191168,"endHours":16.871456255810646,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:42","startHours":9.155836262713247,"endHours":10.698960261332726,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:47","startHours":12.242084259952208,"endHours":13.785208258571686,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.950086396230649,"endHours":9.361586129195844,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.58396293168078,"endHours":6.913162718052936,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:39","startHours":11.830584526987012,"endHours":12.653583992917403,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.423589333613508,"endHours":5.246588799543897,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:04","startHours":5.0408389330613,"endHours":6.0695882654742865,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:07","startHours":14.299582924778178,"endHours":15.122582390708567,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21458025443013,"endHours":18.614580254430127,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:56","startHours":18.414580254430128,"endHours":18.92895492063662,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.164580254430128,"endHours":19.914580254430128,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:39","startHours":23.830584526987014,"endHours":24.6535839929174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:04","end":"07:37","startHours":6.0695882654742865,"endHours":7.612712264093767,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"09:09","startHours":7.612712264093767,"endHours":9.155836262713247,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:42","startHours":9.155836262713247,"endHours":10.698960261332726,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:15","startHours":10.698960261332726,"endHours":12.242084259952208,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:47","startHours":12.242084259952208,"endHours":13.785208258571686,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:20","startHours":13.785208258571686,"endHours":15.328332257191168,"quality":"inauspicious"},{"name":"Śubha","start":"15:20","end":"16:52","startHours":15.328332257191168,"endHours":16.871456255810646,"quality":"auspicious"},{"name":"Roga","start":"16:52","end":"18:25","startHours":16.871456255810646,"endHours":18.414580254430128,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:25","end":"19:52","startHours":18.414580254430128,"endHours":19.87145625581065,"quality":"inauspicious"},{"name":"Śubha","start":"19:52","end":"21:20","startHours":19.87145625581065,"endHours":21.328332257191168,"quality":"auspicious"},{"name":"Roga","start":"21:20","end":"22:47","startHours":21.328332257191168,"endHours":22.785208258571686,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:15","startHours":22.785208258571686,"endHours":24.242084259952208,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:42","startHours":24.242084259952208,"endHours":25.69896026133273,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:09","startHours":25.69896026133273,"endHours":27.155836262713247,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:37","startHours":27.155836262713247,"endHours":28.612712264093766,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:04","startHours":28.612712264093766,"endHours":30.069588265474287,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.0695882654742865,"endHours":7.0695882654742865,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.0695882654742865,"endHours":8.069588265474287,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.069588265474287,"endHours":9.069588265474287,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.069588265474287,"endHours":10.069588265474287,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.069588265474287,"endHours":11.069588265474287,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.069588265474287,"endHours":12.069588265474287,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.069588265474287,"endHours":13.069588265474287,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.069588265474287,"endHours":14.069588265474287,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.069588265474287,"endHours":15.069588265474287,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.069588265474287,"endHours":16.069588265474287,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.069588265474287,"endHours":17.069588265474287,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.069588265474287,"endHours":18.069588265474287,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.069588265474287,"endHours":19.069588265474287,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.069588265474287,"endHours":20.069588265474287,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.069588265474287,"endHours":21.069588265474287,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.069588265474287,"endHours":22.069588265474287,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.069588265474287,"endHours":23.069588265474287,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.069588265474287,"endHours":24.069588265474287,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.069588265474287,"endHours":25.069588265474287,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.069588265474287,"endHours":26.069588265474287,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.069588265474287,"endHours":27.069588265474287,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.069588265474287,"endHours":28.069588265474287,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.069588265474287,"endHours":29.069588265474287,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.069588265474287,"endHours":30.069588265474287,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Saumya","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":13.895977053773308,"eotMinutes":-3.969855597132357,"ayanamsa":24.0153}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","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":"Bhādrapada Kṛṣṇa Tṛtīyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"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 August 16, 2011 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 16, 2011 CE for Colombo, Sri Lanka: Kṛṣṇa Tṛtīyā, sūryodaya 06:04, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2011-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2011-08-16","sa":"https://sa.vidhyamitra.com/city/colombo/2011-08-16","hi":"https://hi.vidhyamitra.com/city/colombo/2011-08-16","x-default":"https://vidhyamitra.com/city/colombo/2011-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:37:01.180Z","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":"2026-05-31T18:37:01.180Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:37:01.180Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}