{"id":"vidhyamitra:city-day:colombo:2012-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2012-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-06","date_display":"January 6, 2012 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":2012,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455932.770833,"kali_year":5113,"ahargana":1867467.2708,"sun":{"sidereal_longitude":260.859,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":41.9199,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.061,"elapsed_within_tithi_degrees":9.061},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.9199,"elapsed_within_degrees":1.9199},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.7789},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2012,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455932.770833,"ahargana":1867467.2708,"kali_year":5113,"ayanamsa_lahiri":24.0208,"grahas":{"sun":{"sidereal_longitude":261.08256499999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":43.164364999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":0.8329},"mars":{"sidereal_longitude":147.00266499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":242.54636500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":6.399965000000009,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":295.81756500000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":184.30256499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":232.5971,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.5971,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455932.770833,"kali_year":5113,"ahargana":1867467.2708,"sun":{"sidereal_longitude":260.859,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":41.9199,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.061,"elapsed_within_tithi_degrees":9.061},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.9199,"elapsed_within_degrees":1.9199},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.7789},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.833,"elongation":141.061},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.833,"opposition_distance":38.939}},"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":"06:24","sunsetLocal":"18:08","solarNoonLocal":"12:16","dayLengthHours":11.735123985158754,"dayLengthDisplay":"11 Hours 44 Mins 06 Secs","nightLengthDisplay":"12 Hours 15 Mins 54 Secs","moonriseLocal":"15:31","moonsetLocal":"03:58","rahuKala":{"name":"Rāhu Kāla","start":"10:48","end":"12:16","startHours":10.80695652030472,"endHours":12.273847018449564,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:12","end":"16:40","startHours":15.207628014739253,"endHours":16.6745185128841,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:52","end":"09:20","startHours":7.87317552401503,"endHours":9.340066022159874,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.14448062240723,"endHours":9.53565142191252,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:12","startHours":6.895248525251802,"endHours":7.208185164856035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:40","startHours":11.882676218944273,"endHours":12.665017817954855,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:37","startHours":4.841601827849019,"endHours":5.6239434268596025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:24","startHours":5.428358027106957,"endHours":6.4062850258701864,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:01","startHours":14.229701015976023,"endHours":15.012042614986607,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.94140901102894,"endHours":18.34140901102894,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.14140901102894,"endHours":18.630372510410556,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.89140901102894,"endHours":19.64140901102894,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:40","startHours":23.882676218944273,"endHours":24.66501781795486,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:24","end":"07:52","startHours":6.4062850258701864,"endHours":7.87317552401503,"quality":"neutral"},{"name":"Labha","start":"07:52","end":"09:20","startHours":7.87317552401503,"endHours":9.340066022159874,"quality":"auspicious"},{"name":"Amṛta","start":"09:20","end":"10:48","startHours":9.340066022159874,"endHours":10.80695652030472,"quality":"auspicious"},{"name":"Kāla","start":"10:48","end":"12:16","startHours":10.80695652030472,"endHours":12.273847018449564,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:44","startHours":12.273847018449564,"endHours":13.740737516594407,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:12","startHours":13.740737516594407,"endHours":15.207628014739253,"quality":"inauspicious"},{"name":"Udveg","start":"15:12","end":"16:40","startHours":15.207628014739253,"endHours":16.6745185128841,"quality":"inauspicious"},{"name":"Chala","start":"16:40","end":"18:08","startHours":16.6745185128841,"endHours":18.14140901102894,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:08","end":"19:40","startHours":18.14140901102894,"endHours":19.674518512884095,"quality":"inauspicious"},{"name":"Udveg","start":"19:40","end":"21:12","startHours":19.674518512884095,"endHours":21.207628014739253,"quality":"inauspicious"},{"name":"Chala","start":"21:12","end":"22:44","startHours":21.207628014739253,"endHours":22.740737516594407,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:16","startHours":22.740737516594407,"endHours":24.273847018449565,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:48","startHours":24.273847018449565,"endHours":25.80695652030472,"quality":"auspicious"},{"name":"Kāla","start":"01:48","end":"03:20","startHours":25.80695652030472,"endHours":27.340066022159874,"quality":"inauspicious"},{"name":"Śubha","start":"03:20","end":"04:52","startHours":27.340066022159874,"endHours":28.873175524015032,"quality":"auspicious"},{"name":"Roga","start":"04:52","end":"06:24","startHours":28.873175524015032,"endHours":30.406285025870186,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.4062850258701864,"endHours":7.4062850258701864,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.4062850258701864,"endHours":8.406285025870186,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.406285025870186,"endHours":9.406285025870186,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.406285025870186,"endHours":10.406285025870186,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.406285025870186,"endHours":11.406285025870186,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.406285025870186,"endHours":12.406285025870186,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.406285025870186,"endHours":13.406285025870186,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.406285025870186,"endHours":14.406285025870186,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.406285025870186,"endHours":15.406285025870186,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.406285025870186,"endHours":16.406285025870186,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.406285025870186,"endHours":17.406285025870186,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.406285025870186,"endHours":18.406285025870186,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.406285025870186,"endHours":19.406285025870186,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.406285025870186,"endHours":20.406285025870186,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.406285025870186,"endHours":21.406285025870186,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.406285025870186,"endHours":22.406285025870186,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.406285025870186,"endHours":23.406285025870186,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.406285025870186,"endHours":24.406285025870186,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.406285025870186,"endHours":25.406285025870186,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.406285025870186,"endHours":26.406285025870186,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.406285025870186,"endHours":27.406285025870186,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.406285025870186,"endHours":28.406285025870186,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.406285025870186,"endHours":29.406285025870186,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.406285025870186,"endHours":30.406285025870186,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.581283362293345,"eotMinutes":-5.875621106973772,"ayanamsa":24.0208}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 January 6, 2012 CE · Colombo, Sri Lanka · Vidhyamitra","description":"January 6, 2012 CE for Colombo, Sri Lanka: Śukla Dvādaśī, sūryodaya 06:24, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2012-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2012-01-06","sa":"https://sa.vidhyamitra.com/city/colombo/2012-01-06","hi":"https://hi.vidhyamitra.com/city/colombo/2012-01-06","x-default":"https://vidhyamitra.com/city/colombo/2012-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T03:07:45.399Z","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":"2026-05-16T03:07:45.399Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T03:07:45.399Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}