{"id":"vidhyamitra:city-day:colombo:2016-03-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2016-03-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-03-15","date_display":"March 15, 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":3,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457462.770833,"kali_year":5117,"ahargana":1868997.2708,"sun":{"sidereal_longitude":330.9492,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":49.2353,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.2862,"elapsed_within_tithi_degrees":6.2862},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2353,"elapsed_within_degrees":9.2353},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.1845},"karana":{"half_tithi_index":13,"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":2016,"month":3,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457462.770833,"ahargana":1868997.2708,"kali_year":5117,"ayanamsa_lahiri":24.0793,"grahas":{"sun":{"sidereal_longitude":330.80990799999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":52.28450800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-4.3966},"mars":{"sidereal_longitude":218.74820799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":322.3889079999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":142.665408,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":308.9622079999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":232.024408,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":151.5303,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":331.5303,"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":3,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457462.770833,"kali_year":5117,"ahargana":1868997.2708,"sun":{"sidereal_longitude":330.9492,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":49.2353,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.2862,"elapsed_within_tithi_degrees":6.2862},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2353,"elapsed_within_degrees":9.2353},"yoga":{"number":2,"name":"Prīti","sum_longitude":20.1845},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.397,"elongation":78.286},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.397,"opposition_distance":101.714}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.681,"elongation":1.816}]},"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":"06:18","sunsetLocal":"18:23","solarNoonLocal":"12:20","dayLengthHours":12.079045759092654,"dayLengthDisplay":"12 Hours 04 Mins 45 Secs","nightLengthDisplay":"11 Hours 55 Mins 15 Secs","moonriseLocal":"11:32","moonsetLocal":"00:00","rahuKala":{"name":"Rāhu Kāla","start":"15:21","end":"16:52","startHours":15.356527873327106,"endHours":16.866408593213688,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:19","end":"10:50","startHours":9.317004993780778,"endHours":10.826885713667359,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:51","startHours":12.33676643355394,"endHours":13.846647153440522,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.115687564462567,"endHours":9.518322423098988,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:07","startHours":6.800537127303141,"endHours":7.122645014212278,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:44","startHours":11.93413157491752,"endHours":12.739401292190363,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:41","end":"05:30","startHours":4.686704119461927,"endHours":5.49197383673477,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:17","end":"06:18","startHours":5.290656407416559,"endHours":6.297243554007614,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:09","startHours":14.349940726736051,"endHours":15.155210444008894,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.17628931310027,"endHours":18.57628931310027,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:53","startHours":18.37628931310027,"endHours":18.879582886395795,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.12628931310027,"endHours":19.87628931310027,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:44","startHours":23.93413157491752,"endHours":24.73940129219036,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:18","end":"07:48","startHours":6.297243554007614,"endHours":7.807124273894196,"quality":"inauspicious"},{"name":"Udveg","start":"07:48","end":"09:19","startHours":7.807124273894196,"endHours":9.317004993780778,"quality":"inauspicious"},{"name":"Chala","start":"09:19","end":"10:50","startHours":9.317004993780778,"endHours":10.826885713667359,"quality":"neutral"},{"name":"Labha","start":"10:50","end":"12:20","startHours":10.826885713667359,"endHours":12.33676643355394,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:51","startHours":12.33676643355394,"endHours":13.846647153440522,"quality":"auspicious"},{"name":"Kāla","start":"13:51","end":"15:21","startHours":13.846647153440522,"endHours":15.356527873327106,"quality":"inauspicious"},{"name":"Śubha","start":"15:21","end":"16:52","startHours":15.356527873327106,"endHours":16.866408593213688,"quality":"auspicious"},{"name":"Roga","start":"16:52","end":"18:23","startHours":16.866408593213688,"endHours":18.37628931310027,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:23","end":"19:52","startHours":18.37628931310027,"endHours":19.866408593213688,"quality":"inauspicious"},{"name":"Śubha","start":"19:52","end":"21:21","startHours":19.866408593213688,"endHours":21.356527873327106,"quality":"auspicious"},{"name":"Roga","start":"21:21","end":"22:51","startHours":21.356527873327106,"endHours":22.84664715344052,"quality":"inauspicious"},{"name":"Udveg","start":"22:51","end":"00:20","startHours":22.84664715344052,"endHours":24.33676643355394,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"01:50","startHours":24.33676643355394,"endHours":25.82688571366736,"quality":"neutral"},{"name":"Labha","start":"01:50","end":"03:19","startHours":25.82688571366736,"endHours":27.317004993780778,"quality":"auspicious"},{"name":"Amṛta","start":"03:19","end":"04:48","startHours":27.317004993780778,"endHours":28.807124273894196,"quality":"auspicious"},{"name":"Kāla","start":"04:48","end":"06:18","startHours":28.807124273894196,"endHours":30.297243554007615,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.297243554007614,"endHours":7.297243554007614,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.297243554007614,"endHours":8.297243554007615,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.297243554007615,"endHours":9.297243554007615,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.297243554007615,"endHours":10.297243554007615,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.297243554007615,"endHours":11.297243554007615,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.297243554007615,"endHours":12.297243554007615,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.297243554007615,"endHours":13.297243554007615,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.297243554007615,"endHours":14.297243554007615,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.297243554007615,"endHours":15.297243554007615,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.297243554007615,"endHours":16.297243554007615,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.297243554007615,"endHours":17.297243554007615,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.297243554007615,"endHours":18.297243554007615,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.297243554007615,"endHours":19.297243554007615,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.297243554007615,"endHours":20.297243554007615,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.297243554007615,"endHours":21.297243554007615,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.297243554007615,"endHours":22.297243554007615,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.297243554007615,"endHours":23.297243554007615,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.297243554007615,"endHours":24.297243554007615,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.297243554007615,"endHours":25.297243554007615,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.297243554007615,"endHours":26.297243554007615,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.297243554007615,"endHours":27.297243554007615,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.297243554007615,"endHours":28.297243554007615,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.297243554007615,"endHours":29.297243554007615,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.297243554007615,"endHours":30.297243554007615,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.0304583001116847,"eotMinutes":-9.650786013236482,"ayanamsa":24.0793}},"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 Saptamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"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":"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 March 15, 2016 CE · Colombo, Sri Lanka · Vidhyamitra","description":"March 15, 2016 CE for Colombo, Sri Lanka: Śukla Saptamī, sūryodaya 06:18, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2016-03-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2016-03-15","sa":"https://sa.vidhyamitra.com/city/colombo/2016-03-15","hi":"https://hi.vidhyamitra.com/city/colombo/2016-03-15","x-default":"https://vidhyamitra.com/city/colombo/2016-03-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:24:01.361Z","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":"2026-05-15T12:24:01.361Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:24:01.361Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}