{"id":"vidhyamitra:city-day:colombo:1981-08-14:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/1981-08-14","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-14","date_display":"August 14, 1981 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":1981,"month":8,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444830.770833,"kali_year":5083,"ahargana":1856365.2708,"sun":{"sidereal_longitude":117.0149,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":276.2117,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.1967,"elapsed_within_tithi_degrees":3.1967},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.2117,"elapsed_within_degrees":9.545},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2266},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1981,"month":8,"day":14,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444830.770833,"ahargana":1856365.2708,"kali_year":5083,"ayanamsa_lahiri":23.5962,"grahas":{"sun":{"sidereal_longitude":117.57944299999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":277.404043,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":0.3623},"mars":{"sidereal_longitude":84.37964299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":121.820743,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":165.00124299999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":151.256143,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":162.86124300000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":100.8345,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.8345,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":8,"day":14,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444830.770833,"kali_year":5083,"ahargana":1856365.2708,"sun":{"sidereal_longitude":117.0149,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":276.2117,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":159.1967,"elapsed_within_tithi_degrees":3.1967},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":276.2117,"elapsed_within_degrees":9.545},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2266},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.362,"elongation":159.197},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.362,"opposition_distance":20.803}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"18:26","solarNoonLocal":"12:15","dayLengthHours":12.354638754283904,"dayLengthDisplay":"12 Hours 21 Mins 17 Secs","nightLengthDisplay":"11 Hours 38 Mins 43 Secs","moonriseLocal":"17:02","moonsetLocal":"04:47","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:15","startHours":10.704489795444891,"endHours":12.248819639730378,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:53","startHours":15.337479328301356,"endHours":16.88180917258684,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:37","end":"09:10","startHours":7.615830106873915,"endHours":9.160159951159404,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.95424930525467,"endHours":9.366070597064134,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.586276877350256,"endHours":6.915733910797827,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:40","startHours":11.836998347920915,"endHours":12.660640931539842,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.424215095350573,"endHours":5.2478576789695,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:04","startHours":5.041947033064768,"endHours":6.071500262588427,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.307926098777696,"endHours":15.131568682396622,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.22613901687233,"endHours":18.62613901687233,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:56","startHours":18.42613901687233,"endHours":18.94091563163416,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.17613901687233,"endHours":19.92613901687233,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:40","startHours":23.836998347920915,"endHours":24.66064093153984,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:04","end":"07:37","startHours":6.071500262588427,"endHours":7.615830106873915,"quality":"neutral"},{"name":"Labha","start":"07:37","end":"09:10","startHours":7.615830106873915,"endHours":9.160159951159404,"quality":"auspicious"},{"name":"Amṛta","start":"09:10","end":"10:42","startHours":9.160159951159404,"endHours":10.704489795444891,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:15","startHours":10.704489795444891,"endHours":12.248819639730378,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:48","startHours":12.248819639730378,"endHours":13.793149484015867,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:20","startHours":13.793149484015867,"endHours":15.337479328301356,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:53","startHours":15.337479328301356,"endHours":16.88180917258684,"quality":"inauspicious"},{"name":"Chala","start":"16:53","end":"18:26","startHours":16.88180917258684,"endHours":18.42613901687233,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:26","end":"19:53","startHours":18.42613901687233,"endHours":19.88180917258684,"quality":"inauspicious"},{"name":"Udveg","start":"19:53","end":"21:20","startHours":19.88180917258684,"endHours":21.337479328301356,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:48","startHours":21.337479328301356,"endHours":22.793149484015867,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"00:15","startHours":22.793149484015867,"endHours":24.248819639730378,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:42","startHours":24.248819639730378,"endHours":25.70448979544489,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"03:10","startHours":25.70448979544489,"endHours":27.1601599511594,"quality":"inauspicious"},{"name":"Śubha","start":"03:10","end":"04:37","startHours":27.1601599511594,"endHours":28.615830106873915,"quality":"auspicious"},{"name":"Roga","start":"04:37","end":"06:04","startHours":28.615830106873915,"endHours":30.071500262588426,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.071500262588427,"endHours":7.071500262588427,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.071500262588427,"endHours":8.071500262588426,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.071500262588426,"endHours":9.071500262588426,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.071500262588426,"endHours":10.071500262588426,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.071500262588426,"endHours":11.071500262588426,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.071500262588426,"endHours":12.071500262588426,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.071500262588426,"endHours":13.071500262588426,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.071500262588426,"endHours":14.071500262588426,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.071500262588426,"endHours":15.071500262588426,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.071500262588426,"endHours":16.071500262588426,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.071500262588426,"endHours":17.071500262588426,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.071500262588426,"endHours":18.071500262588426,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.071500262588426,"endHours":19.071500262588426,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.071500262588426,"endHours":20.071500262588426,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.071500262588426,"endHours":21.071500262588426,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.071500262588426,"endHours":22.071500262588426,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.071500262588426,"endHours":23.071500262588426,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.071500262588426,"endHours":24.071500262588426,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.071500262588426,"endHours":25.071500262588426,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.071500262588426,"endHours":26.071500262588426,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.071500262588426,"endHours":27.071500262588426,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.071500262588426,"endHours":28.071500262588426,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.071500262588426,"endHours":29.071500262588426,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.071500262588426,"endHours":30.071500262588426,"planetary_lord":"Mars"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","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":14.439195293592062,"eotMinutes":-4.373978383822664,"ayanamsa":23.5962}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"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 Caturdaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 14, 1981 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 14, 1981 CE for Colombo, Sri Lanka: Śukla Caturdaśī, sūryodaya 06:04, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/1981-08-14","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/1981-08-14","sa":"https://sa.vidhyamitra.com/city/colombo/1981-08-14","hi":"https://hi.vidhyamitra.com/city/colombo/1981-08-14","x-default":"https://vidhyamitra.com/city/colombo/1981-08-14"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:44:26.776Z","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":"2026-06-02T03:44:26.776Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:44:26.776Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}