{"id":"vidhyamitra:city-day:colombo:1978-08-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/1978-08-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-08-08","date_display":"August 8, 1978 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":1978,"month":8,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443728.770833,"kali_year":5080,"ahargana":1855263.2708,"sun":{"sidereal_longitude":111.0768,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":158.7241,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6473,"elapsed_within_tithi_degrees":11.6473},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.7241,"elapsed_within_degrees":12.0575},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.8009},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1978,"month":8,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443728.770833,"ahargana":1855263.2708,"kali_year":5080,"ayanamsa_lahiri":23.5541,"grahas":{"sun":{"sidereal_longitude":111.601248,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":156.23424799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-0.0392},"mars":{"sidereal_longitude":158.96994799999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":129.43424800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":90.35684800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":156.65844800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":127.81244800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":159.2238,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":339.2238,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"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":1978,"month":8,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443728.770833,"kali_year":5080,"ahargana":1855263.2708,"sun":{"sidereal_longitude":111.0768,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":158.7241,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.6473,"elapsed_within_tithi_degrees":11.6473},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.7241,"elapsed_within_degrees":12.0575},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.8009},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.039,"elongation":47.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.039,"opposition_distance":132.353}},"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":"06:04","sunsetLocal":"18:28","solarNoonLocal":"12:16","dayLengthHours":12.387931320367457,"dayLengthDisplay":"12 Hours 23 Mins 17 Secs","nightLengthDisplay":"11 Hours 36 Mins 43 Secs","moonriseLocal":"09:12","moonsetLocal":"21:17","rahuKala":{"name":"Rāhu Kāla","start":"15:22","end":"16:55","startHours":15.362054117417578,"endHours":16.91054553246351,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:10","end":"10:43","startHours":9.16808845723385,"endHours":10.71657987227978,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:49","startHours":12.265071287325714,"endHours":13.813562702371645,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:22","startHours":8.961622935227725,"endHours":9.374553979239973,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.587269432157296,"endHours":6.917614267367094,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:41","startHours":11.852140243313466,"endHours":12.678002331337963,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.41938145109299,"endHours":5.245243539117488,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:04","startHours":5.038778017111364,"endHours":6.071105627141985,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:09","startHours":14.329726507386955,"endHours":15.155588595411452,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.259036947509443,"endHours":18.659036947509442,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:59","startHours":18.459036947509443,"endHours":18.975200752524753,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.209036947509443,"endHours":19.959036947509443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:41","startHours":23.852140243313464,"endHours":24.678002331337964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:04","end":"07:37","startHours":6.071105627141985,"endHours":7.619597042187917,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"09:10","startHours":7.619597042187917,"endHours":9.16808845723385,"quality":"inauspicious"},{"name":"Chala","start":"09:10","end":"10:43","startHours":9.16808845723385,"endHours":10.71657987227978,"quality":"neutral"},{"name":"Labha","start":"10:43","end":"12:16","startHours":10.71657987227978,"endHours":12.265071287325714,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:49","startHours":12.265071287325714,"endHours":13.813562702371645,"quality":"auspicious"},{"name":"Kāla","start":"13:49","end":"15:22","startHours":13.813562702371645,"endHours":15.362054117417578,"quality":"inauspicious"},{"name":"Śubha","start":"15:22","end":"16:55","startHours":15.362054117417578,"endHours":16.91054553246351,"quality":"auspicious"},{"name":"Roga","start":"16:55","end":"18:28","startHours":16.91054553246351,"endHours":18.459036947509443,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:28","end":"19:55","startHours":18.459036947509443,"endHours":19.91054553246351,"quality":"inauspicious"},{"name":"Śubha","start":"19:55","end":"21:22","startHours":19.91054553246351,"endHours":21.36205411741758,"quality":"auspicious"},{"name":"Roga","start":"21:22","end":"22:49","startHours":21.36205411741758,"endHours":22.813562702371648,"quality":"inauspicious"},{"name":"Udveg","start":"22:49","end":"00:16","startHours":22.813562702371648,"endHours":24.265071287325714,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:43","startHours":24.265071287325714,"endHours":25.71657987227978,"quality":"neutral"},{"name":"Labha","start":"01:43","end":"03:10","startHours":25.71657987227978,"endHours":27.16808845723385,"quality":"auspicious"},{"name":"Amṛta","start":"03:10","end":"04:37","startHours":27.16808845723385,"endHours":28.61959704218792,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:04","startHours":28.61959704218792,"endHours":30.071105627141986,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.071105627141985,"endHours":7.071105627141985,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.071105627141985,"endHours":8.071105627141986,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.071105627141986,"endHours":9.071105627141986,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.071105627141986,"endHours":10.071105627141986,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.071105627141986,"endHours":11.071105627141986,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.071105627141986,"endHours":12.071105627141986,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.071105627141986,"endHours":13.071105627141986,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.071105627141986,"endHours":14.071105627141986,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.071105627141986,"endHours":15.071105627141986,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.071105627141986,"endHours":16.071105627141986,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.071105627141986,"endHours":17.071105627141986,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.071105627141986,"endHours":18.071105627141986,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.071105627141986,"endHours":19.071105627141986,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.071105627141986,"endHours":20.071105627141986,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.071105627141986,"endHours":21.071105627141986,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.071105627141986,"endHours":22.071105627141986,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.071105627141986,"endHours":23.071105627141986,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.071105627141986,"endHours":24.071105627141986,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.071105627141986,"endHours":25.071105627141986,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.071105627141986,"endHours":26.071105627141986,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.071105627141986,"endHours":27.071105627141986,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.071105627141986,"endHours":28.071105627141986,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.071105627141986,"endHours":29.071105627141986,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.071105627141986,"endHours":30.071105627141986,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":16.288601226807387,"eotMinutes":-5.349077239542768,"ayanamsa":23.5541}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"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 8, 1978 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 8, 1978 CE for Colombo, Sri Lanka: Śukla Caturthī, sūryodaya 06:04, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/1978-08-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/1978-08-08","sa":"https://sa.vidhyamitra.com/city/colombo/1978-08-08","hi":"https://hi.vidhyamitra.com/city/colombo/1978-08-08","x-default":"https://vidhyamitra.com/city/colombo/1978-08-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:21:23.984Z","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":"2026-06-02T12:21:23.984Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:21:23.984Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}