{"id":"vidhyamitra:city-day:colombo:2016-04-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2016-04-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-04-10","date_display":"April 10, 2016 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":2016,"month":4,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457488.770833,"kali_year":5117,"ahargana":1869023.2708,"sun":{"sidereal_longitude":356.6338,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":30.752,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.1182,"elapsed_within_tithi_degrees":10.1182},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.752,"elapsed_within_degrees":4.0853},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.3858},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2016,"month":4,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457488.770833,"ahargana":1869023.2708,"kali_year":5117,"ayanamsa_lahiri":24.0803,"grahas":{"sun":{"sidereal_longitude":356.526915,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":32.938514999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-3.9195},"mars":{"sidereal_longitude":224.263015,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":12.991215000000011,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":139.788815,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":341.097915,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":231.91951500000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":150.1527,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":330.1527,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":"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":2016,"month":4,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457488.770833,"kali_year":5117,"ahargana":1869023.2708,"sun":{"sidereal_longitude":356.6338,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":30.752,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.1182,"elapsed_within_tithi_degrees":10.1182},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.752,"elapsed_within_degrees":4.0853},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.3858},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.919,"elongation":34.118},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.919,"opposition_distance":145.882}},"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":"06:05","sunsetLocal":"18:19","solarNoonLocal":"12:12","dayLengthHours":12.2442519966081,"dayLengthDisplay":"12 Hours 14 Mins 39 Secs","nightLengthDisplay":"11 Hours 45 Mins 21 Secs","moonriseLocal":"08:25","moonsetLocal":"20:50","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:19","startHours":16.794298758147455,"endHours":18.32483025772347,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:12","end":"13:44","startHours":12.20270425941942,"endHours":13.73323575899543,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:16","end":"16:48","startHours":15.263767258571445,"endHours":16.794298758147455,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.937570393657259,"endHours":9.34571212687753,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.5907554276407065,"endHours":6.917268814216922,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.79456252619915,"endHours":12.61084599263969,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:16","startHours":4.44801132823429,"endHours":5.2642947946748295,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:05","startHours":5.060223928064694,"endHours":6.080578261115369,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:04","startHours":14.243412925520769,"endHours":15.059696391961308,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.12483025772347,"endHours":18.52483025772347,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:50","startHours":18.32483025772347,"endHours":18.835007424248808,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.07483025772347,"endHours":19.82483025772347,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.79456252619915,"endHours":24.61084599263969,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:05","end":"07:37","startHours":6.080578261115369,"endHours":7.611109760691382,"quality":"inauspicious"},{"name":"Chala","start":"07:37","end":"09:08","startHours":7.611109760691382,"endHours":9.141641260267395,"quality":"neutral"},{"name":"Labha","start":"09:08","end":"10:40","startHours":9.141641260267395,"endHours":10.672172759843406,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:12","startHours":10.672172759843406,"endHours":12.20270425941942,"quality":"auspicious"},{"name":"Kāla","start":"12:12","end":"13:44","startHours":12.20270425941942,"endHours":13.73323575899543,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:16","startHours":13.73323575899543,"endHours":15.263767258571445,"quality":"auspicious"},{"name":"Roga","start":"15:16","end":"16:48","startHours":15.263767258571445,"endHours":16.794298758147455,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:19","startHours":16.794298758147455,"endHours":18.32483025772347,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:19","end":"19:48","startHours":18.32483025772347,"endHours":19.794298758147455,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:16","startHours":19.794298758147455,"endHours":21.263767258571445,"quality":"inauspicious"},{"name":"Udveg","start":"21:16","end":"22:44","startHours":21.263767258571445,"endHours":22.733235758995434,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:12","startHours":22.733235758995434,"endHours":24.20270425941942,"quality":"neutral"},{"name":"Labha","start":"00:12","end":"01:40","startHours":24.20270425941942,"endHours":25.672172759843406,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"03:08","startHours":25.672172759843406,"endHours":27.141641260267395,"quality":"auspicious"},{"name":"Kāla","start":"03:08","end":"04:37","startHours":27.141641260267395,"endHours":28.611109760691384,"quality":"inauspicious"},{"name":"Śubha","start":"04:37","end":"06:05","startHours":28.611109760691384,"endHours":30.08057826111537,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.080578261115369,"endHours":7.080578261115369,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.080578261115369,"endHours":8.08057826111537,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.08057826111537,"endHours":9.08057826111537,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.08057826111537,"endHours":10.08057826111537,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.08057826111537,"endHours":11.08057826111537,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.08057826111537,"endHours":12.08057826111537,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.08057826111537,"endHours":13.08057826111537,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.08057826111537,"endHours":14.08057826111537,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.08057826111537,"endHours":15.08057826111537,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.08057826111537,"endHours":16.08057826111537,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.08057826111537,"endHours":17.08057826111537,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.08057826111537,"endHours":18.08057826111537,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.08057826111537,"endHours":19.08057826111537,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.08057826111537,"endHours":20.08057826111537,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.08057826111537,"endHours":21.08057826111537,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.08057826111537,"endHours":22.08057826111537,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.08057826111537,"endHours":23.08057826111537,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.08057826111537,"endHours":24.08057826111537,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.08057826111537,"endHours":25.08057826111537,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.08057826111537,"endHours":26.08057826111537,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.08057826111537,"endHours":27.08057826111537,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.08057826111537,"endHours":28.08057826111537,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.08057826111537,"endHours":29.08057826111537,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.08057826111537,"endHours":30.08057826111537,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.047020266414592,"eotMinutes":-1.6070555651651,"ayanamsa":24.0803}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Tṛtīyā · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"matsya-jayanti","name":"Matsya Jayantī","name_sanskrit":"मत्स्य जयन्ती","tradition":"Vaishnava","associated_deity":"Matsya (1st daśāvatāra of Krishna)","deity_avatara_index":10,"significance":"Matsya saved Vaivasvata Manu and the Vedas during the cosmic deluge.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4,"sources":["Bhāgavata 8.24","Matsya Purāṇa 1-2"]},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 April 10, 2016 CE · Colombo, Sri Lanka · Vidhyamitra","description":"April 10, 2016 CE for Colombo, Sri Lanka: Śukla Tṛtīyā, sūryodaya 06:05, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2016-04-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2016-04-10","sa":"https://sa.vidhyamitra.com/city/colombo/2016-04-10","hi":"https://hi.vidhyamitra.com/city/colombo/2016-04-10","x-default":"https://vidhyamitra.com/city/colombo/2016-04-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T14:22:21.044Z","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":"2026-05-15T14:22:21.044Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:22:21.044Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}