{"id":"vidhyamitra:city-day:colombo:2003-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2003-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-10-01","date_display":"October 1, 2003 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":2003,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452913.770833,"kali_year":5105,"ahargana":1864448.2708,"sun":{"sidereal_longitude":162.8014,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":227.1093,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3078,"elapsed_within_tithi_degrees":4.3078},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.1093,"elapsed_within_degrees":0.4426},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.9107},"karana":{"half_tithi_index":10,"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":2003,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452913.770833,"ahargana":1864448.2708,"kali_year":5105,"ayanamsa_lahiri":23.9054,"grahas":{"sun":{"sidereal_longitude":163.55591300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":230.60881300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-1.1295},"mars":{"sidereal_longitude":306.19131300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":146.633713,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":133.458913,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":175.17851300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":78.67501299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":32.5583,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.5583,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":2003,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452913.770833,"kali_year":5105,"ahargana":1864448.2708,"sun":{"sidereal_longitude":162.8014,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":227.1093,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3078,"elapsed_within_tithi_degrees":4.3078},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":227.1093,"elapsed_within_degrees":0.4426},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":29.9107},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.129,"elongation":64.308},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.129,"opposition_distance":115.692}},"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":"05:57","sunsetLocal":"18:01","solarNoonLocal":"11:59","dayLengthHours":12.064028844179006,"dayLengthDisplay":"12 Hours 03 Mins 51 Secs","nightLengthDisplay":"11 Hours 56 Mins 09 Secs","moonriseLocal":"10:37","moonsetLocal":"22:19","rahuKala":{"name":"Rāhu Kāla","start":"11:59","end":"13:30","startHours":11.98979059689026,"endHours":13.497794202412635,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:28","end":"08:58","startHours":7.465779780323132,"endHours":8.973783385845508,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:29","end":"11:59","startHours":10.481786991367883,"endHours":11.98979059689026,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:10","startHours":8.772716238442523,"endHours":9.174850533248492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:47","startHours":6.460444043308215,"endHours":6.782151479152988,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:24","startHours":11.587656302084293,"endHours":12.391924891696226,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:09","startHours":4.349238995576888,"endHours":5.153507585188822,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"05:57","startHours":4.952440437785839,"endHours":5.957776174800756,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:48","startHours":14.000462070920094,"endHours":14.804730660532027,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.821805018979763,"endHours":18.22180501897976,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:31","startHours":18.021805018979762,"endHours":18.52447288748722,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.771805018979762,"endHours":19.521805018979762,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:24","startHours":23.58765630208429,"endHours":24.391924891696227,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:57","end":"07:28","startHours":5.957776174800756,"endHours":7.465779780323132,"quality":"auspicious"},{"name":"Amṛta","start":"07:28","end":"08:58","startHours":7.465779780323132,"endHours":8.973783385845508,"quality":"auspicious"},{"name":"Kāla","start":"08:58","end":"10:29","startHours":8.973783385845508,"endHours":10.481786991367883,"quality":"inauspicious"},{"name":"Śubha","start":"10:29","end":"11:59","startHours":10.481786991367883,"endHours":11.98979059689026,"quality":"auspicious"},{"name":"Roga","start":"11:59","end":"13:30","startHours":11.98979059689026,"endHours":13.497794202412635,"quality":"inauspicious"},{"name":"Udveg","start":"13:30","end":"15:00","startHours":13.497794202412635,"endHours":15.00579780793501,"quality":"inauspicious"},{"name":"Chala","start":"15:00","end":"16:31","startHours":15.00579780793501,"endHours":16.513801413457387,"quality":"neutral"},{"name":"Labha","start":"16:31","end":"18:01","startHours":16.513801413457387,"endHours":18.021805018979762,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:31","startHours":18.021805018979762,"endHours":19.513801413457387,"quality":"inauspicious"},{"name":"Chala","start":"19:31","end":"21:00","startHours":19.513801413457387,"endHours":21.00579780793501,"quality":"neutral"},{"name":"Labha","start":"21:00","end":"22:30","startHours":21.00579780793501,"endHours":22.497794202412635,"quality":"auspicious"},{"name":"Amṛta","start":"22:30","end":"23:59","startHours":22.497794202412635,"endHours":23.98979059689026,"quality":"auspicious"},{"name":"Kāla","start":"23:59","end":"01:29","startHours":23.98979059689026,"endHours":25.481786991367883,"quality":"inauspicious"},{"name":"Śubha","start":"01:29","end":"02:58","startHours":25.481786991367883,"endHours":26.973783385845508,"quality":"auspicious"},{"name":"Roga","start":"02:58","end":"04:28","startHours":26.973783385845508,"endHours":28.465779780323132,"quality":"inauspicious"},{"name":"Udveg","start":"04:28","end":"05:57","startHours":28.465779780323132,"endHours":29.957776174800756,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.957776174800756,"endHours":6.957776174800756,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.957776174800756,"endHours":7.957776174800756,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.957776174800756,"endHours":8.957776174800756,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.957776174800756,"endHours":9.957776174800756,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.957776174800756,"endHours":10.957776174800756,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.957776174800756,"endHours":11.957776174800756,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.957776174800756,"endHours":12.957776174800756,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.957776174800756,"endHours":13.957776174800756,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.957776174800756,"endHours":14.957776174800756,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.957776174800756,"endHours":15.957776174800756,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.957776174800756,"endHours":16.957776174800756,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.957776174800756,"endHours":17.957776174800756,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.957776174800756,"endHours":18.957776174800756,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.957776174800756,"endHours":19.957776174800756,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.957776174800756,"endHours":20.957776174800756,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.957776174800756,"endHours":21.957776174800756,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.957776174800756,"endHours":22.957776174800756,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.957776174800756,"endHours":23.957776174800756,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.957776174800756,"endHours":24.957776174800756,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.957776174800756,"endHours":25.957776174800756,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.957776174800756,"endHours":26.957776174800756,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.957776174800756,"endHours":27.957776174800756,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.957776174800756,"endHours":28.957776174800756,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.957776174800756,"endHours":29.957776174800756,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.9605430662983356,"eotMinutes":11.167764186584405,"ayanamsa":23.9054}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 October 1, 2003 CE · Colombo, Sri Lanka · Vidhyamitra","description":"October 1, 2003 CE for Colombo, Sri Lanka: Śukla Ṣaṣṭhī, sūryodaya 05:57, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2003-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2003-10-01","sa":"https://sa.vidhyamitra.com/city/colombo/2003-10-01","hi":"https://hi.vidhyamitra.com/city/colombo/2003-10-01","x-default":"https://vidhyamitra.com/city/colombo/2003-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T12:07:42.087Z","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":"2026-05-24T12:07:42.087Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T12:07:42.087Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}