{"id":"vidhyamitra:city-day:colombo:2016-01-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2016-01-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-01-09","date_display":"January 9, 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":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457396.770833,"kali_year":5117,"ahargana":1868931.2708,"sun":{"sidereal_longitude":263.9068,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":250.0927,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.1859,"elapsed_within_tithi_degrees":10.1859},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.0927,"elapsed_within_degrees":10.0927},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9994},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457396.770833,"ahargana":1868931.2708,"kali_year":5117,"ayanamsa_lahiri":24.0768,"grahas":{"sun":{"sidereal_longitude":264.11352999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":251.46592999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":4.4824},"mars":{"sidereal_longitude":188.66673000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":275.60052999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":148.43193000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":227.53543000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":227.69653000000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":155.0273,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.0273,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":1,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457396.770833,"kali_year":5117,"ahargana":1868931.2708,"sun":{"sidereal_longitude":263.9068,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":250.0927,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.1859,"elapsed_within_tithi_degrees":10.1859},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.0927,"elapsed_within_degrees":10.0927},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9994},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.482,"elongation":13.814},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.482,"opposition_distance":166.186}},"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":"06:25","sunsetLocal":"18:10","solarNoonLocal":"12:18","dayLengthHours":11.742004443620948,"dayLengthDisplay":"11 Hours 44 Mins 31 Secs","nightLengthDisplay":"12 Hours 15 Mins 29 Secs","moonriseLocal":"05:37","moonsetLocal":"17:18","rahuKala":{"name":"Rāhu Kāla","start":"09:22","end":"10:50","startHours":9.358823727734407,"endHours":10.826574283187025,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:46","end":"15:14","startHours":13.762075394092262,"endHours":15.22982594954488,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:25","end":"07:53","startHours":6.42332261682917,"endHours":7.891073172281788,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.163123653674058,"endHours":9.554523801794755,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:14","startHours":6.912572801980042,"endHours":7.225692920476601,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:41","startHours":11.902924690518944,"endHours":12.685724986760341,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:38","startHours":4.857722024346376,"endHours":5.640522320587773,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:25","startHours":5.4448222465274245,"endHours":6.42332261682917,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:02","startHours":14.251325579243135,"endHours":15.03412587548453,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.965327060450118,"endHours":18.365327060450117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:39","startHours":18.165327060450117,"endHours":18.65457724560099,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.915327060450117,"endHours":19.665327060450117,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:41","startHours":23.902924690518944,"endHours":24.68572498676034,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:25","end":"07:53","startHours":6.42332261682917,"endHours":7.891073172281788,"quality":"inauspicious"},{"name":"Śubha","start":"07:53","end":"09:22","startHours":7.891073172281788,"endHours":9.358823727734407,"quality":"auspicious"},{"name":"Roga","start":"09:22","end":"10:50","startHours":9.358823727734407,"endHours":10.826574283187025,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:18","startHours":10.826574283187025,"endHours":12.294324838639643,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:46","startHours":12.294324838639643,"endHours":13.762075394092262,"quality":"neutral"},{"name":"Labha","start":"13:46","end":"15:14","startHours":13.762075394092262,"endHours":15.22982594954488,"quality":"auspicious"},{"name":"Amṛta","start":"15:14","end":"16:42","startHours":15.22982594954488,"endHours":16.6975765049975,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:10","startHours":16.6975765049975,"endHours":18.165327060450117,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:10","end":"19:42","startHours":18.165327060450117,"endHours":19.6975765049975,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:14","startHours":19.6975765049975,"endHours":21.229825949544882,"quality":"auspicious"},{"name":"Kāla","start":"21:14","end":"22:46","startHours":21.229825949544882,"endHours":22.762075394092264,"quality":"inauspicious"},{"name":"Śubha","start":"22:46","end":"00:18","startHours":22.762075394092264,"endHours":24.294324838639643,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:50","startHours":24.294324838639643,"endHours":25.826574283187025,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:22","startHours":25.826574283187025,"endHours":27.358823727734407,"quality":"inauspicious"},{"name":"Chala","start":"03:22","end":"04:53","startHours":27.358823727734407,"endHours":28.891073172281786,"quality":"neutral"},{"name":"Labha","start":"04:53","end":"06:25","startHours":28.891073172281786,"endHours":30.423322616829168,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.42332261682917,"endHours":7.42332261682917,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.42332261682917,"endHours":8.42332261682917,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.42332261682917,"endHours":9.42332261682917,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.42332261682917,"endHours":10.42332261682917,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.42332261682917,"endHours":11.42332261682917,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.42332261682917,"endHours":12.42332261682917,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.42332261682917,"endHours":13.42332261682917,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.42332261682917,"endHours":14.42332261682917,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.42332261682917,"endHours":15.42332261682917,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.42332261682917,"endHours":16.423322616829168,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.423322616829168,"endHours":17.423322616829168,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.423322616829168,"endHours":18.423322616829168,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.423322616829168,"endHours":19.423322616829168,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.423322616829168,"endHours":20.423322616829168,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.423322616829168,"endHours":21.423322616829168,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.423322616829168,"endHours":22.423322616829168,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.423322616829168,"endHours":23.423322616829168,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.423322616829168,"endHours":24.423322616829168,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.423322616829168,"endHours":25.423322616829168,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.423322616829168,"endHours":26.423322616829168,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.423322616829168,"endHours":27.423322616829168,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.423322616829168,"endHours":28.423322616829168,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.423322616829168,"endHours":29.423322616829168,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.423322616829168,"endHours":30.423322616829168,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.200921807158533,"eotMinutes":-7.10429031837854,"ayanamsa":24.0768}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturdaśī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 January 9, 2016 CE · Colombo, Sri Lanka · Vidhyamitra","description":"January 9, 2016 CE for Colombo, Sri Lanka: Kṛṣṇa Caturdaśī, sūryodaya 06:25, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2016-01-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2016-01-09","sa":"https://sa.vidhyamitra.com/city/colombo/2016-01-09","hi":"https://hi.vidhyamitra.com/city/colombo/2016-01-09","x-default":"https://vidhyamitra.com/city/colombo/2016-01-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:19:25.443Z","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":"2026-06-02T12:19:25.443Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:19:25.443Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}