{"id":"vidhyamitra:city-day:colombo:2017-01-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2017-01-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-01-25","date_display":"January 25, 2017 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":2017,"month":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457778.770833,"kali_year":5118,"ahargana":1869313.2708,"sun":{"sidereal_longitude":281.0893,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":245.6977,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.6083,"elapsed_within_tithi_degrees":0.6083},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.6977,"elapsed_within_degrees":5.6977},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.787},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":1,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457778.770833,"ahargana":1869313.2708,"kali_year":5118,"ayanamsa_lahiri":24.0914,"grahas":{"sun":{"sidereal_longitude":281.1615340000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":247.07053399999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":4.2031},"mars":{"sidereal_longitude":333.260134,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":257.364734,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":178.31693399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":327.448934,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":239.66433400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":134.7871,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":314.7871,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457778.770833,"kali_year":5118,"ahargana":1869313.2708,"sun":{"sidereal_longitude":281.0893,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":245.6977,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.6083,"elapsed_within_tithi_degrees":0.6083},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.6977,"elapsed_within_degrees":5.6977},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.787},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.203,"elongation":35.392},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.203,"opposition_distance":144.608}},"eclipse_window_40days":[{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"06:29","sunsetLocal":"18:17","solarNoonLocal":"12:23","dayLengthHours":11.79953608699904,"dayLengthDisplay":"11 Hours 47 Mins 58 Secs","nightLengthDisplay":"12 Hours 12 Mins 02 Secs","moonriseLocal":"04:16","moonsetLocal":"15:57","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:51","startHours":12.381065475365858,"endHours":13.856007486240738,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:57","end":"09:26","startHours":7.956239442741217,"endHours":9.431181453616098,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:23","startHours":10.906123464490978,"endHours":12.381065475365858,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:38","startHours":9.23452251883278,"endHours":9.627840388399415,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:17","startHours":6.972944768824631,"endHours":7.287599064477939,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:46","startHours":11.987747605799223,"endHours":12.774383344932494,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:42","startHours":4.9080259535997985,"endHours":5.694661692733067,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:29","startHours":5.498002757949751,"endHours":6.481297431866337,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:08","startHours":14.34765482319903,"endHours":15.134290562332298,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.08083351886538,"endHours":18.480833518865378,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:46","startHours":18.28083351886538,"endHours":18.772480855823673,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.03083351886538,"endHours":19.78083351886538,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:46","startHours":23.987747605799225,"endHours":24.77438334493249,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:29","end":"07:57","startHours":6.481297431866337,"endHours":7.956239442741217,"quality":"auspicious"},{"name":"Amṛta","start":"07:57","end":"09:26","startHours":7.956239442741217,"endHours":9.431181453616098,"quality":"auspicious"},{"name":"Kāla","start":"09:26","end":"10:54","startHours":9.431181453616098,"endHours":10.906123464490978,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:23","startHours":10.906123464490978,"endHours":12.381065475365858,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:51","startHours":12.381065475365858,"endHours":13.856007486240738,"quality":"inauspicious"},{"name":"Udveg","start":"13:51","end":"15:20","startHours":13.856007486240738,"endHours":15.330949497115618,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:48","startHours":15.330949497115618,"endHours":16.8058915079905,"quality":"neutral"},{"name":"Labha","start":"16:48","end":"18:17","startHours":16.8058915079905,"endHours":18.28083351886538,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:17","end":"19:48","startHours":18.28083351886538,"endHours":19.8058915079905,"quality":"inauspicious"},{"name":"Chala","start":"19:48","end":"21:20","startHours":19.8058915079905,"endHours":21.33094949711562,"quality":"neutral"},{"name":"Labha","start":"21:20","end":"22:51","startHours":21.33094949711562,"endHours":22.85600748624074,"quality":"auspicious"},{"name":"Amṛta","start":"22:51","end":"00:23","startHours":22.85600748624074,"endHours":24.381065475365858,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"01:54","startHours":24.381065475365858,"endHours":25.906123464490978,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:26","startHours":25.906123464490978,"endHours":27.431181453616098,"quality":"auspicious"},{"name":"Roga","start":"03:26","end":"04:57","startHours":27.431181453616098,"endHours":28.956239442741218,"quality":"inauspicious"},{"name":"Udveg","start":"04:57","end":"06:29","startHours":28.956239442741218,"endHours":30.481297431866338,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.481297431866337,"endHours":7.481297431866337,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.481297431866337,"endHours":8.481297431866338,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.481297431866338,"endHours":9.481297431866338,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.481297431866338,"endHours":10.481297431866338,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.481297431866338,"endHours":11.481297431866338,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.481297431866338,"endHours":12.481297431866338,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.481297431866338,"endHours":13.481297431866338,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.481297431866338,"endHours":14.481297431866338,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.481297431866338,"endHours":15.481297431866338,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.481297431866338,"endHours":16.481297431866338,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.481297431866338,"endHours":17.481297431866338,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.481297431866338,"endHours":18.481297431866338,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.481297431866338,"endHours":19.481297431866338,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.481297431866338,"endHours":20.481297431866338,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.481297431866338,"endHours":21.481297431866338,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.481297431866338,"endHours":22.481297431866338,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.481297431866338,"endHours":23.481297431866338,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.481297431866338,"endHours":24.481297431866338,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.481297431866338,"endHours":25.481297431866338,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.481297431866338,"endHours":26.481297431866338,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.481297431866338,"endHours":27.481297431866338,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.481297431866338,"endHours":28.481297431866338,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.481297431866338,"endHours":29.481297431866338,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.481297431866338,"endHours":30.481297431866338,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.953040516872758,"eotMinutes":-12.308728521951446,"ayanamsa":24.0914}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Trayodaśī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 25, 2017 CE · Colombo, Sri Lanka · Vidhyamitra","description":"January 25, 2017 CE for Colombo, Sri Lanka: Kṛṣṇa Trayodaśī, sūryodaya 06:29, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2017-01-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2017-01-25","sa":"https://sa.vidhyamitra.com/city/colombo/2017-01-25","hi":"https://hi.vidhyamitra.com/city/colombo/2017-01-25","x-default":"https://vidhyamitra.com/city/colombo/2017-01-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:48:55.073Z","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":"2026-06-01T04:48:55.073Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:48:55.073Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}