{"id":"vidhyamitra:city-day:colombo:2002-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2002-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-04-20","date_display":"April 20, 2002 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":2002,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452384.770833,"kali_year":5104,"ahargana":1863919.2708,"sun":{"sidereal_longitude":6.0219,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":93.1479,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.1261,"elapsed_within_tithi_degrees":3.1261},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.1479,"elapsed_within_degrees":13.1479},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1698},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2002,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452384.770833,"ahargana":1863919.2708,"kali_year":5104,"ayanamsa_lahiri":23.8851,"grahas":{"sun":{"sidereal_longitude":5.915925000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":89.749325,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":2.4201},"mars":{"sidereal_longitude":40.41822500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":19.450125000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":75.320625,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":29.158225000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":48.317025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":60.5872,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.5872,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2002,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452384.770833,"kali_year":5104,"ahargana":1863919.2708,"sun":{"sidereal_longitude":6.0219,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":93.1479,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.1261,"elapsed_within_tithi_degrees":3.1261},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.1479,"elapsed_within_degrees":13.1479},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.1698},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.42,"elongation":87.126},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.42,"opposition_distance":92.874}},"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":"06:01","sunsetLocal":"18:19","solarNoonLocal":"12:10","dayLengthHours":12.30136671251617,"dayLengthDisplay":"12 Hours 18 Mins 05 Secs","nightLengthDisplay":"11 Hours 41 Mins 55 Secs","moonriseLocal":"11:31","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"09:05","end":"10:37","startHours":9.084448930776944,"endHours":10.622119769841465,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:14","startHours":13.697461447970507,"endHours":15.235132287035029,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:01","end":"07:33","startHours":6.0091072526479,"endHours":7.546778091712421,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:17","startHours":8.879426152235006,"endHours":9.289471709318878,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.521664199002741,"endHours":6.849700644669839,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:34","startHours":11.749745051822114,"endHours":12.569836165989859,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:11","startHours":4.368925024312411,"endHours":5.189016138480156,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:59","end":"06:01","startHours":4.98399335993822,"endHours":6.0091072526479,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:02","startHours":14.210018394325349,"endHours":15.030109508493094,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.110473965164072,"endHours":18.51047396516407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:49","startHours":18.31047396516407,"endHours":18.823030911518913,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.06047396516407,"endHours":19.81047396516407,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:34","startHours":23.749745051822114,"endHours":24.56983616598986,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:01","end":"07:33","startHours":6.0091072526479,"endHours":7.546778091712421,"quality":"inauspicious"},{"name":"Śubha","start":"07:33","end":"09:05","startHours":7.546778091712421,"endHours":9.084448930776944,"quality":"auspicious"},{"name":"Roga","start":"09:05","end":"10:37","startHours":9.084448930776944,"endHours":10.622119769841465,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:10","startHours":10.622119769841465,"endHours":12.159790608905986,"quality":"inauspicious"},{"name":"Chala","start":"12:10","end":"13:42","startHours":12.159790608905986,"endHours":13.697461447970507,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:14","startHours":13.697461447970507,"endHours":15.235132287035029,"quality":"auspicious"},{"name":"Amṛta","start":"15:14","end":"16:46","startHours":15.235132287035029,"endHours":16.77280312609955,"quality":"auspicious"},{"name":"Kāla","start":"16:46","end":"18:19","startHours":16.77280312609955,"endHours":18.31047396516407,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:19","end":"19:46","startHours":18.31047396516407,"endHours":19.77280312609955,"quality":"auspicious"},{"name":"Amṛta","start":"19:46","end":"21:14","startHours":19.77280312609955,"endHours":21.23513228703503,"quality":"auspicious"},{"name":"Kāla","start":"21:14","end":"22:42","startHours":21.23513228703503,"endHours":22.697461447970507,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:10","startHours":22.697461447970507,"endHours":24.159790608905986,"quality":"auspicious"},{"name":"Roga","start":"00:10","end":"01:37","startHours":24.159790608905986,"endHours":25.622119769841465,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:05","startHours":25.622119769841465,"endHours":27.084448930776944,"quality":"inauspicious"},{"name":"Chala","start":"03:05","end":"04:33","startHours":27.084448930776944,"endHours":28.546778091712422,"quality":"neutral"},{"name":"Labha","start":"04:33","end":"06:01","startHours":28.546778091712422,"endHours":30.0091072526479,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.0091072526479,"endHours":7.0091072526479,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.0091072526479,"endHours":8.009107252647901,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.009107252647901,"endHours":9.009107252647901,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.009107252647901,"endHours":10.009107252647901,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.009107252647901,"endHours":11.009107252647901,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.009107252647901,"endHours":12.009107252647901,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.009107252647901,"endHours":13.009107252647901,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.009107252647901,"endHours":14.009107252647901,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.009107252647901,"endHours":15.009107252647901,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.009107252647901,"endHours":16.0091072526479,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.0091072526479,"endHours":17.0091072526479,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.0091072526479,"endHours":18.0091072526479,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.0091072526479,"endHours":19.0091072526479,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.0091072526479,"endHours":20.0091072526479,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.0091072526479,"endHours":21.0091072526479,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.0091072526479,"endHours":22.0091072526479,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.0091072526479,"endHours":23.0091072526479,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.0091072526479,"endHours":24.0091072526479,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.0091072526479,"endHours":25.0091072526479,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.0091072526479,"endHours":26.0091072526479,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.0091072526479,"endHours":27.0091072526479,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.0091072526479,"endHours":28.0091072526479,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.0091072526479,"endHours":29.0091072526479,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.0091072526479,"endHours":30.0091072526479,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.400672785281078,"eotMinutes":0.9677634656409275,"ayanamsa":23.8851}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Aṣṭamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"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 April 20, 2002 CE · Colombo, Sri Lanka · Vidhyamitra","description":"April 20, 2002 CE for Colombo, Sri Lanka: Śukla Aṣṭamī, sūryodaya 06:01, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2002-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2002-04-20","sa":"https://sa.vidhyamitra.com/city/colombo/2002-04-20","hi":"https://hi.vidhyamitra.com/city/colombo/2002-04-20","x-default":"https://vidhyamitra.com/city/colombo/2002-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:20:21.998Z","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":"2026-06-02T04:20:21.998Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:20:21.998Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}