{"id":"vidhyamitra:city-day:colombo:2028-08-03:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2028-08-03","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-08-03","date_display":"August 3, 2028 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":2028,"month":8,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461986.770833,"kali_year":5130,"ahargana":1873521.2708,"sun":{"sidereal_longitude":106.3754,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":260.3875,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.0121,"elapsed_within_tithi_degrees":10.0121},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":260.3875,"elapsed_within_degrees":7.0541},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.7629},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2028,"month":8,"day":3,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461986.770833,"ahargana":1873521.2708,"kali_year":5130,"ayanamsa_lahiri":24.2524,"grahas":{"sun":{"sidereal_longitude":106.99285800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":261.127558,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-0.8916},"mars":{"sidereal_longitude":74.18615799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":115.70385799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":151.578258,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":61.07385799999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":16.69565799999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":271.8271,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.8271,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2028,"month":8,"day":3,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461986.770833,"kali_year":5130,"ahargana":1873521.2708,"sun":{"sidereal_longitude":106.3754,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":260.3875,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.0121,"elapsed_within_tithi_degrees":10.0121},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":260.3875,"elapsed_within_degrees":7.0541},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.7629},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.892,"elongation":154.012},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.892,"opposition_distance":25.988}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":-0.016,"elongation":2.314},{"offset_days":2,"type":"lunar","occurs":true,"moon_latitude":1.134,"opposition_distance":1.947}]},"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":"18:29","solarNoonLocal":"12:16","dayLengthHours":12.408313592645193,"dayLengthDisplay":"12 Hours 24 Mins 30 Secs","nightLengthDisplay":"11 Hours 35 Mins 30 Secs","moonriseLocal":"16:42","moonsetLocal":"04:24","rahuKala":{"name":"Rāhu Kāla","start":"13:49","end":"15:23","startHours":13.824941448353204,"endHours":15.375980647433854,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:04","end":"07:37","startHours":6.0697454529499595,"endHours":7.620784652030609,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:10","end":"10:43","startHours":9.171823851111258,"endHours":10.722863050191908,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.965018624567172,"endHours":9.378629077655344,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.586758519310176,"endHours":6.917646881780715,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:41","startHours":11.860291796184383,"endHours":12.68751270236073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.415303640597267,"endHours":5.2425245467736135,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:04","startHours":5.035719320229527,"endHours":6.0697454529499595,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:10","startHours":14.341954514713422,"endHours":15.169175420889768,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.278059045595153,"endHours":18.678059045595152,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:00","startHours":18.478059045595153,"endHours":18.99507211195537,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.228059045595153,"endHours":19.978059045595153,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:41","startHours":23.860291796184384,"endHours":24.687512702360728,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:04","end":"07:37","startHours":6.0697454529499595,"endHours":7.620784652030609,"quality":"auspicious"},{"name":"Roga","start":"07:37","end":"09:10","startHours":7.620784652030609,"endHours":9.171823851111258,"quality":"inauspicious"},{"name":"Udveg","start":"09:10","end":"10:43","startHours":9.171823851111258,"endHours":10.722863050191908,"quality":"inauspicious"},{"name":"Chala","start":"10:43","end":"12:16","startHours":10.722863050191908,"endHours":12.273902249272556,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:49","startHours":12.273902249272556,"endHours":13.824941448353204,"quality":"auspicious"},{"name":"Amṛta","start":"13:49","end":"15:23","startHours":13.824941448353204,"endHours":15.375980647433854,"quality":"auspicious"},{"name":"Kāla","start":"15:23","end":"16:56","startHours":15.375980647433854,"endHours":16.927019846514504,"quality":"inauspicious"},{"name":"Śubha","start":"16:56","end":"18:29","startHours":16.927019846514504,"endHours":18.478059045595153,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:29","end":"19:56","startHours":18.478059045595153,"endHours":19.927019846514504,"quality":"auspicious"},{"name":"Kāla","start":"19:56","end":"21:23","startHours":19.927019846514504,"endHours":21.375980647433856,"quality":"inauspicious"},{"name":"Śubha","start":"21:23","end":"22:49","startHours":21.375980647433856,"endHours":22.824941448353204,"quality":"auspicious"},{"name":"Roga","start":"22:49","end":"00:16","startHours":22.824941448353204,"endHours":24.273902249272556,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:43","startHours":24.273902249272556,"endHours":25.722863050191908,"quality":"inauspicious"},{"name":"Chala","start":"01:43","end":"03:10","startHours":25.722863050191908,"endHours":27.171823851111256,"quality":"neutral"},{"name":"Labha","start":"03:10","end":"04:37","startHours":27.171823851111256,"endHours":28.620784652030608,"quality":"auspicious"},{"name":"Amṛta","start":"04:37","end":"06:04","startHours":28.620784652030608,"endHours":30.06974545294996,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.0697454529499595,"endHours":7.0697454529499595,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.0697454529499595,"endHours":8.06974545294996,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.06974545294996,"endHours":9.06974545294996,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.06974545294996,"endHours":10.06974545294996,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.06974545294996,"endHours":11.06974545294996,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.06974545294996,"endHours":12.06974545294996,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.06974545294996,"endHours":13.06974545294996,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.06974545294996,"endHours":14.06974545294996,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.06974545294996,"endHours":15.06974545294996,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.06974545294996,"endHours":16.06974545294996,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.06974545294996,"endHours":17.06974545294996,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.06974545294996,"endHours":18.06974545294996,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.06974545294996,"endHours":19.06974545294996,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.06974545294996,"endHours":20.06974545294996,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.06974545294996,"endHours":21.06974545294996,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.06974545294996,"endHours":22.06974545294996,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.06974545294996,"endHours":23.06974545294996,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.06974545294996,"endHours":24.06974545294996,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.06974545294996,"endHours":25.06974545294996,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.06974545294996,"endHours":26.06974545294996,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.06974545294996,"endHours":27.06974545294996,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.06974545294996,"endHours":28.06974545294996,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.06974545294996,"endHours":29.06974545294996,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.06974545294996,"endHours":30.06974545294996,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.400720997244903,"eotMinutes":-5.878934956353266,"ayanamsa":24.2524}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Trayodaśī · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 3, 2028 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 3, 2028 CE for Colombo, Sri Lanka: Śukla Trayodaśī, sūryodaya 06:04, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2028-08-03","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2028-08-03","sa":"https://sa.vidhyamitra.com/city/colombo/2028-08-03","hi":"https://hi.vidhyamitra.com/city/colombo/2028-08-03","x-default":"https://vidhyamitra.com/city/colombo/2028-08-03"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T19:37:32.692Z","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":"2026-05-14T19:37:32.692Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T19:37:32.692Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}