{"id":"vidhyamitra:city-day:colombo:2001-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2001-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-07","date_display":"September 7, 2001 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":2001,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452159.770833,"kali_year":5103,"ahargana":1863694.2708,"sun":{"sidereal_longitude":139.9107,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":9.0814,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":229.1708,"elapsed_within_tithi_degrees":1.1708},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0814,"elapsed_within_degrees":9.0814},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.9921},"karana":{"half_tithi_index":38,"name":"Kaulava"},"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":2001,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452159.770833,"ahargana":1863694.2708,"kali_year":5103,"ayanamsa_lahiri":23.8765,"grahas":{"sun":{"sidereal_longitude":140.621122,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":6.522822000000019,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.0238},"mars":{"sidereal_longitude":245.24972200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":164.58422199999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":76.95602199999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":109.12312199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":50.67092200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.5088,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.5088,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452159.770833,"kali_year":5103,"ahargana":1863694.2708,"sun":{"sidereal_longitude":139.9107,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":9.0814,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":229.1708,"elapsed_within_tithi_degrees":1.1708},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0814,"elapsed_within_degrees":9.0814},"yoga":{"number":12,"name":"Dhruva","sum_longitude":148.9921},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.024,"elongation":130.829},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.024,"opposition_distance":49.171}},"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":"06:02","sunsetLocal":"18:14","solarNoonLocal":"12:08","dayLengthHours":12.211772578074775,"dayLengthDisplay":"12 Hours 12 Mins 42 Secs","nightLengthDisplay":"11 Hours 47 Mins 18 Secs","moonriseLocal":"21:03","moonsetLocal":"09:20","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"12:08","startHours":10.606813444889944,"endHours":12.13328501714929,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:11","end":"16:43","startHours":15.186228161667984,"endHours":16.71269973392733,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:33","end":"09:05","startHours":7.5538703003712495,"endHours":9.080341872630596,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:17","startHours":8.876812329662684,"endHours":9.283871415598508,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:52","startHours":6.536222585531684,"endHours":6.861869854280345,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.726225931213463,"endHours":12.540344103085115,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:13","startHours":4.399162384368599,"endHours":5.21328055624025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:02","startHours":5.0097510132723375,"endHours":6.027398728111902,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:59","startHours":14.168580446828418,"endHours":14.98269861870007,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.039171306186677,"endHours":18.439171306186676,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:45","startHours":18.239171306186677,"endHours":18.747995163606458,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.989171306186677,"endHours":19.739171306186677,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.726225931213463,"endHours":24.54034410308512,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:02","end":"07:33","startHours":6.027398728111902,"endHours":7.5538703003712495,"quality":"neutral"},{"name":"Labha","start":"07:33","end":"09:05","startHours":7.5538703003712495,"endHours":9.080341872630596,"quality":"auspicious"},{"name":"Amṛta","start":"09:05","end":"10:36","startHours":9.080341872630596,"endHours":10.606813444889944,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"12:08","startHours":10.606813444889944,"endHours":12.13328501714929,"quality":"inauspicious"},{"name":"Śubha","start":"12:08","end":"13:40","startHours":12.13328501714929,"endHours":13.659756589408637,"quality":"auspicious"},{"name":"Roga","start":"13:40","end":"15:11","startHours":13.659756589408637,"endHours":15.186228161667984,"quality":"inauspicious"},{"name":"Udveg","start":"15:11","end":"16:43","startHours":15.186228161667984,"endHours":16.71269973392733,"quality":"inauspicious"},{"name":"Chala","start":"16:43","end":"18:14","startHours":16.71269973392733,"endHours":18.239171306186677,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:14","end":"19:43","startHours":18.239171306186677,"endHours":19.71269973392733,"quality":"inauspicious"},{"name":"Udveg","start":"19:43","end":"21:11","startHours":19.71269973392733,"endHours":21.186228161667984,"quality":"inauspicious"},{"name":"Chala","start":"21:11","end":"22:40","startHours":21.186228161667984,"endHours":22.659756589408637,"quality":"neutral"},{"name":"Labha","start":"22:40","end":"00:08","startHours":22.659756589408637,"endHours":24.13328501714929,"quality":"auspicious"},{"name":"Amṛta","start":"00:08","end":"01:36","startHours":24.13328501714929,"endHours":25.606813444889944,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:05","startHours":25.606813444889944,"endHours":27.080341872630594,"quality":"inauspicious"},{"name":"Śubha","start":"03:05","end":"04:33","startHours":27.080341872630594,"endHours":28.553870300371248,"quality":"auspicious"},{"name":"Roga","start":"04:33","end":"06:02","startHours":28.553870300371248,"endHours":30.0273987281119,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.027398728111902,"endHours":7.027398728111902,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.027398728111902,"endHours":8.027398728111901,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.027398728111901,"endHours":9.027398728111901,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.027398728111901,"endHours":10.027398728111901,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.027398728111901,"endHours":11.027398728111901,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.027398728111901,"endHours":12.027398728111901,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.027398728111901,"endHours":13.027398728111901,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.027398728111901,"endHours":14.027398728111901,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.027398728111901,"endHours":15.027398728111901,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.027398728111901,"endHours":16.0273987281119,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.0273987281119,"endHours":17.0273987281119,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.0273987281119,"endHours":18.0273987281119,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.0273987281119,"endHours":19.0273987281119,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.0273987281119,"endHours":20.0273987281119,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.0273987281119,"endHours":21.0273987281119,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.0273987281119,"endHours":22.0273987281119,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.0273987281119,"endHours":23.0273987281119,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.0273987281119,"endHours":24.0273987281119,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.0273987281119,"endHours":25.0273987281119,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.0273987281119,"endHours":26.0273987281119,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.0273987281119,"endHours":27.0273987281119,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.0273987281119,"endHours":28.0273987281119,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.0273987281119,"endHours":29.0273987281119,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.0273987281119,"endHours":30.0273987281119,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","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":6.102374765010054,"eotMinutes":2.5580989710426816,"ayanamsa":23.8765}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Pañcamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 September 7, 2001 CE · Colombo, Sri Lanka · Vidhyamitra","description":"September 7, 2001 CE for Colombo, Sri Lanka: Kṛṣṇa Pañcamī, sūryodaya 06:02, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2001-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2001-09-07","sa":"https://sa.vidhyamitra.com/city/colombo/2001-09-07","hi":"https://hi.vidhyamitra.com/city/colombo/2001-09-07","x-default":"https://vidhyamitra.com/city/colombo/2001-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:56:54.404Z","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":"2026-06-02T17:56:54.404Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:56:54.404Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}