{"id":"vidhyamitra:city-day:colombo:2001-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2001-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-29","date_display":"December 29, 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":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452272.770833,"kali_year":5103,"ahargana":1863807.2708,"sun":{"sidereal_longitude":253.2383,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":54.2871,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.0488,"elapsed_within_tithi_degrees":5.0488},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.2871,"elapsed_within_degrees":0.9537},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.5254},"karana":{"half_tithi_index":26,"name":"Gara"},"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":2001,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452272.770833,"ahargana":1863807.2708,"kali_year":5103,"ayanamsa_lahiri":23.8808,"grahas":{"sun":{"sidereal_longitude":253.50420400000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":55.35500400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-0.9527},"mars":{"sidereal_longitude":320.83980399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":267.13560400000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":77.08680400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":249.56870400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":45.529604000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":66.5215,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":246.5215,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"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":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452272.770833,"kali_year":5103,"ahargana":1863807.2708,"sun":{"sidereal_longitude":253.2383,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":54.2871,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":161.0488,"elapsed_within_tithi_degrees":5.0488},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":54.2871,"elapsed_within_degrees":0.9537},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.5254},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.953,"elongation":161.049},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.953,"opposition_distance":18.951}},"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":"06:21","sunsetLocal":"18:05","solarNoonLocal":"12:13","dayLengthHours":11.723301157349034,"dayLengthDisplay":"11 Hours 43 Mins 24 Secs","nightLengthDisplay":"12 Hours 16 Mins 36 Secs","moonriseLocal":"16:46","moonsetLocal":"05:15","rahuKala":{"name":"Rāhu Kāla","start":"09:17","end":"10:45","startHours":9.28420765140557,"endHours":10.749620296074198,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:09","startHours":13.680445585411457,"endHours":15.145858230080087,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:21","end":"07:49","startHours":6.35338236206831,"endHours":7.81879500673694,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:29","startHours":9.088819298783084,"endHours":9.479596004028053,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:09","startHours":6.84185324362452,"endHours":7.154474607820495,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:36","startHours":11.82425623549786,"endHours":12.605809645987794,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:34","startHours":4.790275541088439,"endHours":5.571828951578374,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:21","startHours":5.376440598955891,"endHours":6.35338236206831,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.168916466967666,"endHours":14.950469877457602,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.876683519417345,"endHours":18.276683519417343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.076683519417344,"endHours":18.565154400973555,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.826683519417344,"endHours":19.576683519417344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:36","startHours":23.82425623549786,"endHours":24.605809645987794,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:21","end":"07:49","startHours":6.35338236206831,"endHours":7.81879500673694,"quality":"inauspicious"},{"name":"Śubha","start":"07:49","end":"09:17","startHours":7.81879500673694,"endHours":9.28420765140557,"quality":"auspicious"},{"name":"Roga","start":"09:17","end":"10:45","startHours":9.28420765140557,"endHours":10.749620296074198,"quality":"inauspicious"},{"name":"Udveg","start":"10:45","end":"12:13","startHours":10.749620296074198,"endHours":12.215032940742827,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:41","startHours":12.215032940742827,"endHours":13.680445585411457,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:09","startHours":13.680445585411457,"endHours":15.145858230080087,"quality":"auspicious"},{"name":"Amṛta","start":"15:09","end":"16:37","startHours":15.145858230080087,"endHours":16.611270874748715,"quality":"auspicious"},{"name":"Kāla","start":"16:37","end":"18:05","startHours":16.611270874748715,"endHours":18.076683519417344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:05","end":"19:37","startHours":18.076683519417344,"endHours":19.611270874748715,"quality":"auspicious"},{"name":"Amṛta","start":"19:37","end":"21:09","startHours":19.611270874748715,"endHours":21.145858230080087,"quality":"auspicious"},{"name":"Kāla","start":"21:09","end":"22:41","startHours":21.145858230080087,"endHours":22.680445585411455,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:13","startHours":22.680445585411455,"endHours":24.215032940742827,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:45","startHours":24.215032940742827,"endHours":25.749620296074198,"quality":"inauspicious"},{"name":"Udveg","start":"01:45","end":"03:17","startHours":25.749620296074198,"endHours":27.284207651405566,"quality":"inauspicious"},{"name":"Chala","start":"03:17","end":"04:49","startHours":27.284207651405566,"endHours":28.818795006736938,"quality":"neutral"},{"name":"Labha","start":"04:49","end":"06:21","startHours":28.818795006736938,"endHours":30.35338236206831,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.35338236206831,"endHours":7.35338236206831,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.35338236206831,"endHours":8.35338236206831,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.35338236206831,"endHours":9.35338236206831,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.35338236206831,"endHours":10.35338236206831,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.35338236206831,"endHours":11.35338236206831,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.35338236206831,"endHours":12.35338236206831,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.35338236206831,"endHours":13.35338236206831,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.35338236206831,"endHours":14.35338236206831,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.35338236206831,"endHours":15.35338236206831,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.35338236206831,"endHours":16.35338236206831,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.35338236206831,"endHours":17.35338236206831,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.35338236206831,"endHours":18.35338236206831,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.35338236206831,"endHours":19.35338236206831,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.35338236206831,"endHours":20.35338236206831,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.35338236206831,"endHours":21.35338236206831,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.35338236206831,"endHours":22.35338236206831,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.35338236206831,"endHours":23.35338236206831,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.35338236206831,"endHours":24.35338236206831,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.35338236206831,"endHours":25.35338236206831,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.35338236206831,"endHours":26.35338236206831,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.35338236206831,"endHours":27.35338236206831,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.35338236206831,"endHours":28.35338236206831,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.35338236206831,"endHours":29.35338236206831,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.35338236206831,"endHours":30.35338236206831,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.230629261001063,"eotMinutes":-2.3467764445695645,"ayanamsa":23.8808}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturdaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":[]},"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 December 29, 2001 CE · Colombo, Sri Lanka · Vidhyamitra","description":"December 29, 2001 CE for Colombo, Sri Lanka: Śukla Caturdaśī, sūryodaya 06:21, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2001-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2001-12-29","sa":"https://sa.vidhyamitra.com/city/colombo/2001-12-29","hi":"https://hi.vidhyamitra.com/city/colombo/2001-12-29","x-default":"https://vidhyamitra.com/city/colombo/2001-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:54:01.409Z","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":"2026-06-03T00:54:01.409Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:54:01.409Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}