{"id":"vidhyamitra:city-day:colombo:1981-08-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/1981-08-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-26","date_display":"August 26, 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":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444842.770833,"kali_year":5083,"ahargana":1856377.2708,"sun":{"sidereal_longitude":128.511,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":84.3908,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.8798,"elapsed_within_tithi_degrees":3.8798},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.3908,"elapsed_within_degrees":4.3908},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.9017},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1981,"month":8,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444842.770833,"ahargana":1856377.2708,"kali_year":5083,"ayanamsa_lahiri":23.5967,"grahas":{"sun":{"sidereal_longitude":129.13048500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":84.308085,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-1.2247},"mars":{"sidereal_longitude":92.15508499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":143.83398499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":167.226085,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":165.54918499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":164.09268499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":100.1987,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.1987,"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":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444842.770833,"kali_year":5083,"ahargana":1856377.2708,"sun":{"sidereal_longitude":128.511,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":84.3908,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":315.8798,"elapsed_within_tithi_degrees":3.8798},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.3908,"elapsed_within_degrees":4.3908},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.9017},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.225,"elongation":44.12},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.225,"opposition_distance":135.88}},"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":"06:03","sunsetLocal":"18:21","solarNoonLocal":"12:12","dayLengthHours":12.285888602565311,"dayLengthDisplay":"12 Hours 17 Mins 09 Secs","nightLengthDisplay":"11 Hours 42 Mins 51 Secs","moonriseLocal":"02:59","moonsetLocal":"15:27","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:44","startHours":12.199512002190275,"endHours":13.735248077510938,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:36","end":"09:08","startHours":7.592303776228285,"endHours":9.128039851548948,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:40","end":"12:12","startHours":10.663775926869612,"endHours":12.199512002190275,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:20","startHours":8.923275041506193,"endHours":9.332804661591704,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.568479726014508,"endHours":6.896103422082916,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:37","startHours":11.789982382104766,"endHours":12.609041622275788,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:14","startHours":4.418449220565579,"endHours":5.237508460736599,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:03","startHours":5.0327436506938446,"endHours":6.05656770090762,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:04","startHours":14.247160102617826,"endHours":15.066219342788846,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.142456303472933,"endHours":18.54245630347293,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:51","startHours":18.342456303472932,"endHours":18.85436832857982,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.092456303472932,"endHours":19.842456303472932,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:37","startHours":23.789982382104764,"endHours":24.609041622275786,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:03","end":"07:36","startHours":6.05656770090762,"endHours":7.592303776228285,"quality":"auspicious"},{"name":"Amṛta","start":"07:36","end":"09:08","startHours":7.592303776228285,"endHours":9.128039851548948,"quality":"auspicious"},{"name":"Kāla","start":"09:08","end":"10:40","startHours":9.128039851548948,"endHours":10.663775926869612,"quality":"inauspicious"},{"name":"Śubha","start":"10:40","end":"12:12","startHours":10.663775926869612,"endHours":12.199512002190275,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:44","startHours":12.199512002190275,"endHours":13.735248077510938,"quality":"inauspicious"},{"name":"Udveg","start":"13:44","end":"15:16","startHours":13.735248077510938,"endHours":15.270984152831605,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:48","startHours":15.270984152831605,"endHours":16.80672022815227,"quality":"neutral"},{"name":"Labha","start":"16:48","end":"18:21","startHours":16.80672022815227,"endHours":18.342456303472932,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:21","end":"19:48","startHours":18.342456303472932,"endHours":19.80672022815227,"quality":"inauspicious"},{"name":"Chala","start":"19:48","end":"21:16","startHours":19.80672022815227,"endHours":21.270984152831605,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:44","startHours":21.270984152831605,"endHours":22.73524807751094,"quality":"auspicious"},{"name":"Amṛta","start":"22:44","end":"00:12","startHours":22.73524807751094,"endHours":24.199512002190275,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:40","startHours":24.199512002190275,"endHours":25.66377592686961,"quality":"inauspicious"},{"name":"Śubha","start":"01:40","end":"03:08","startHours":25.66377592686961,"endHours":27.128039851548948,"quality":"auspicious"},{"name":"Roga","start":"03:08","end":"04:36","startHours":27.128039851548948,"endHours":28.592303776228285,"quality":"inauspicious"},{"name":"Udveg","start":"04:36","end":"06:03","startHours":28.592303776228285,"endHours":30.05656770090762,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.05656770090762,"endHours":7.05656770090762,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.05656770090762,"endHours":8.056567700907621,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.056567700907621,"endHours":9.056567700907621,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.056567700907621,"endHours":10.056567700907621,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.056567700907621,"endHours":11.056567700907621,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.056567700907621,"endHours":12.056567700907621,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.056567700907621,"endHours":13.056567700907621,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.056567700907621,"endHours":14.056567700907621,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.056567700907621,"endHours":15.056567700907621,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.056567700907621,"endHours":16.05656770090762,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.05656770090762,"endHours":17.05656770090762,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.05656770090762,"endHours":18.05656770090762,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.05656770090762,"endHours":19.05656770090762,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.05656770090762,"endHours":20.05656770090762,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.05656770090762,"endHours":21.05656770090762,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.05656770090762,"endHours":22.05656770090762,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.05656770090762,"endHours":23.05656770090762,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.05656770090762,"endHours":24.05656770090762,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.05656770090762,"endHours":25.05656770090762,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.05656770090762,"endHours":26.05656770090762,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.05656770090762,"endHours":27.05656770090762,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.05656770090762,"endHours":28.05656770090762,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.05656770090762,"endHours":29.05656770090762,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.05656770090762,"endHours":30.05656770090762,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.500966029992094,"eotMinutes":-1.4155201314165708,"ayanamsa":23.5967}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 26, 1981 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 26, 1981 CE for Colombo, Sri Lanka: Kṛṣṇa Dvādaśī, sūryodaya 06:03, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/1981-08-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/1981-08-26","sa":"https://sa.vidhyamitra.com/city/colombo/1981-08-26","hi":"https://hi.vidhyamitra.com/city/colombo/1981-08-26","x-default":"https://vidhyamitra.com/city/colombo/1981-08-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T11:11:53.917Z","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":"2026-06-02T11:11:53.917Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T11:11:53.917Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}