{"id":"vidhyamitra:city-day:colombo:2011-06-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2011-06-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-06-01","date_display":"June 1, 2011 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":2011,"month":6,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455713.770833,"kali_year":5113,"ahargana":1867248.2708,"sun":{"sidereal_longitude":46.0706,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":35.8087,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.738,"elapsed_within_tithi_degrees":1.738},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.8087,"elapsed_within_degrees":9.142},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.8793},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":2011,"month":6,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455713.770833,"ahargana":1867248.2708,"kali_year":5113,"ayanamsa_lahiri":24.0124,"grahas":{"sun":{"sidereal_longitude":46.22023300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":36.57153299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":2.1381},"mars":{"sidereal_longitude":21.224132999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":32.10753299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":5.214932999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":25.436433000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":166.31303300000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":244.2008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":64.2008,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":6,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455713.770833,"kali_year":5113,"ahargana":1867248.2708,"sun":{"sidereal_longitude":46.0706,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":35.8087,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.738,"elapsed_within_tithi_degrees":1.738},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.8087,"elapsed_within_degrees":9.142},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.8793},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.138,"elongation":10.262},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.138,"opposition_distance":169.738}},"eclipse_window_40days":[{"offset_days":1,"type":"solar","occurs":true,"moon_latitude":1.195,"elongation":1.712}]},"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":"05:53","sunsetLocal":"18:23","solarNoonLocal":"12:08","dayLengthHours":12.495627822161655,"dayLengthDisplay":"12 Hours 29 Mins 44 Secs","nightLengthDisplay":"11 Hours 30 Mins 16 Secs","moonriseLocal":"05:17","moonsetLocal":"17:42","rahuKala":{"name":"Rāhu Kāla","start":"12:08","end":"13:42","startHours":12.1366655326517,"endHours":13.698619010421906,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:27","end":"09:01","startHours":7.450805099341078,"endHours":9.012758577111285,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:34","end":"12:08","startHours":10.574712054881493,"endHours":12.1366655326517,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:13","startHours":8.804498113408592,"endHours":9.22101904081398,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.409502780827608,"endHours":6.742719522751918,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:33","startHours":11.720144605246311,"endHours":12.553186460057088,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:03","startHours":4.222767911949318,"endHours":5.055809766760095,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:53","startHours":4.8475493030574,"endHours":5.888851621570872,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:03","startHours":14.21927016967864,"endHours":15.052312024489417,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.184479443732528,"endHours":18.584479443732526,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.384479443732527,"endHours":18.905130602989264,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.134479443732527,"endHours":19.884479443732527,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:33","startHours":23.720144605246308,"endHours":24.553186460057088,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:53","end":"07:27","startHours":5.888851621570872,"endHours":7.450805099341078,"quality":"auspicious"},{"name":"Amṛta","start":"07:27","end":"09:01","startHours":7.450805099341078,"endHours":9.012758577111285,"quality":"auspicious"},{"name":"Kāla","start":"09:01","end":"10:34","startHours":9.012758577111285,"endHours":10.574712054881493,"quality":"inauspicious"},{"name":"Śubha","start":"10:34","end":"12:08","startHours":10.574712054881493,"endHours":12.1366655326517,"quality":"auspicious"},{"name":"Roga","start":"12:08","end":"13:42","startHours":12.1366655326517,"endHours":13.698619010421906,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:16","startHours":13.698619010421906,"endHours":15.260572488192114,"quality":"inauspicious"},{"name":"Chala","start":"15:16","end":"16:49","startHours":15.260572488192114,"endHours":16.82252596596232,"quality":"neutral"},{"name":"Labha","start":"16:49","end":"18:23","startHours":16.82252596596232,"endHours":18.384479443732527,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:23","end":"19:49","startHours":18.384479443732527,"endHours":19.82252596596232,"quality":"inauspicious"},{"name":"Chala","start":"19:49","end":"21:16","startHours":19.82252596596232,"endHours":21.260572488192114,"quality":"neutral"},{"name":"Labha","start":"21:16","end":"22:42","startHours":21.260572488192114,"endHours":22.698619010421908,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:08","startHours":22.698619010421908,"endHours":24.136665532651698,"quality":"auspicious"},{"name":"Kāla","start":"00:08","end":"01:34","startHours":24.136665532651698,"endHours":25.574712054881495,"quality":"inauspicious"},{"name":"Śubha","start":"01:34","end":"03:01","startHours":25.574712054881495,"endHours":27.012758577111285,"quality":"auspicious"},{"name":"Roga","start":"03:01","end":"04:27","startHours":27.012758577111285,"endHours":28.45080509934108,"quality":"inauspicious"},{"name":"Udveg","start":"04:27","end":"05:53","startHours":28.45080509934108,"endHours":29.888851621570872,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.888851621570872,"endHours":6.888851621570872,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.888851621570872,"endHours":7.888851621570872,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.888851621570872,"endHours":8.888851621570872,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.888851621570872,"endHours":9.888851621570872,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.888851621570872,"endHours":10.888851621570872,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.888851621570872,"endHours":11.888851621570872,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.888851621570872,"endHours":12.888851621570872,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.888851621570872,"endHours":13.888851621570872,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.888851621570872,"endHours":14.888851621570872,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.888851621570872,"endHours":15.888851621570872,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.888851621570872,"endHours":16.888851621570872,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.888851621570872,"endHours":17.888851621570872,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.888851621570872,"endHours":18.888851621570872,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.888851621570872,"endHours":19.888851621570872,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.888851621570872,"endHours":20.888851621570872,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.888851621570872,"endHours":21.888851621570872,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.888851621570872,"endHours":22.888851621570872,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.888851621570872,"endHours":23.888851621570872,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.888851621570872,"endHours":24.888851621570872,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.888851621570872,"endHours":25.888851621570872,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.888851621570872,"endHours":26.888851621570872,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.888851621570872,"endHours":27.888851621570872,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.888851621570872,"endHours":28.888851621570872,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.888851621570872,"endHours":29.888851621570872,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.98077697488483,"eotMinutes":2.3552680408980873,"ayanamsa":24.0124}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Amāvasyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"vat-savitri-amavasya","name":"Vaṭa Sāvitrī Amāvasyā","name_sanskrit":"वट सावित्री अमावस्या","tradition":"Pan-Hindu","associated_deity":"Sāvitrī Devī","significance":"Sāvitrī's redemption of Satyavān from Yama; pati-vrata observance.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Mahābhārata, Vana Parva — Sāvitrī Upākhyāna"]},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 June 1, 2011 CE · Colombo, Sri Lanka · Vidhyamitra","description":"June 1, 2011 CE for Colombo, Sri Lanka: Kṛṣṇa Amāvasyā, sūryodaya 05:53, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2011-06-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2011-06-01","sa":"https://sa.vidhyamitra.com/city/colombo/2011-06-01","hi":"https://hi.vidhyamitra.com/city/colombo/2011-06-01","x-default":"https://vidhyamitra.com/city/colombo/2011-06-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:54:11.310Z","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":"2026-05-16T15:54:11.310Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:54:11.310Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}