{"id":"vidhyamitra:city-day:colombo:2011-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2011-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-01-06","date_display":"January 6, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455567.770833,"kali_year":5112,"ahargana":1867102.2708,"sun":{"sidereal_longitude":261.125,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":282.7944,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.6694,"elapsed_within_tithi_degrees":9.6694},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.7944,"elapsed_within_degrees":2.7944},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.9194},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455567.770833,"ahargana":1867102.2708,"kali_year":5112,"ayanamsa_lahiri":24.0069,"grahas":{"sun":{"sidereal_longitude":261.343611,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":280.502611,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":2.3063},"mars":{"sidereal_longitude":268.133011,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":238.244011,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":333.3050109999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":214.288811,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":172.60391099999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":251.9366,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.9366,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2011,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455567.770833,"kali_year":5112,"ahargana":1867102.2708,"sun":{"sidereal_longitude":261.125,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":282.7944,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.6694,"elapsed_within_tithi_degrees":9.6694},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.7944,"elapsed_within_degrees":2.7944},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.9194},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.306,"elongation":21.669},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.306,"opposition_distance":158.331}},"eclipse_window_40days":[{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307}]},"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":11.7356308361139,"dayLengthDisplay":"11 Hours 44 Mins 08 Secs","nightLengthDisplay":"12 Hours 15 Mins 52 Secs","moonriseLocal":"07:40","moonsetLocal":"19:26","rahuKala":{"name":"Rāhu Kāla","start":"13:44","end":"15:12","startHours":13.740800872963803,"endHours":15.20775472747804,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:24","end":"07:52","startHours":6.406031600392614,"endHours":7.872985454906852,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:20","end":"10:48","startHours":9.339939309421089,"endHours":10.806893163935328,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.144345462152526,"endHours":9.535533156689654,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:12","startHours":6.8950162185640265,"endHours":7.207966374193731,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:40","startHours":11.882659323912433,"endHours":12.665034712986694,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:37","startHours":4.841280822244094,"endHours":5.623656211318354,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:26","end":"06:24","startHours":5.428062364049789,"endHours":6.406031600392614,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:01","startHours":14.229785491135214,"endHours":15.012160880209475,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.941662436506515,"endHours":18.341662436506514,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.141662436506515,"endHours":18.630647054677926,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.891662436506515,"endHours":19.641662436506515,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:40","startHours":23.882659323912435,"endHours":24.665034712986696,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:24","end":"07:52","startHours":6.406031600392614,"endHours":7.872985454906852,"quality":"auspicious"},{"name":"Roga","start":"07:52","end":"09:20","startHours":7.872985454906852,"endHours":9.339939309421089,"quality":"inauspicious"},{"name":"Udveg","start":"09:20","end":"10:48","startHours":9.339939309421089,"endHours":10.806893163935328,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:16","startHours":10.806893163935328,"endHours":12.273847018449565,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:44","startHours":12.273847018449565,"endHours":13.740800872963803,"quality":"auspicious"},{"name":"Amṛta","start":"13:44","end":"15:12","startHours":13.740800872963803,"endHours":15.20775472747804,"quality":"auspicious"},{"name":"Kāla","start":"15:12","end":"16:40","startHours":15.20775472747804,"endHours":16.674708581992277,"quality":"inauspicious"},{"name":"Śubha","start":"16:40","end":"18:08","startHours":16.674708581992277,"endHours":18.141662436506515,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:08","end":"19:40","startHours":18.141662436506515,"endHours":19.674708581992277,"quality":"auspicious"},{"name":"Kāla","start":"19:40","end":"21:12","startHours":19.674708581992277,"endHours":21.20775472747804,"quality":"inauspicious"},{"name":"Śubha","start":"21:12","end":"22:44","startHours":21.20775472747804,"endHours":22.740800872963803,"quality":"auspicious"},{"name":"Roga","start":"22:44","end":"00:16","startHours":22.740800872963803,"endHours":24.273847018449565,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:48","startHours":24.273847018449565,"endHours":25.806893163935328,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:20","startHours":25.806893163935328,"endHours":27.33993930942109,"quality":"neutral"},{"name":"Labha","start":"03:20","end":"04:52","startHours":27.33993930942109,"endHours":28.872985454906853,"quality":"auspicious"},{"name":"Amṛta","start":"04:52","end":"06:24","startHours":28.872985454906853,"endHours":30.406031600392616,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.406031600392614,"endHours":7.406031600392614,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.406031600392614,"endHours":8.406031600392614,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.406031600392614,"endHours":9.406031600392614,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.406031600392614,"endHours":10.406031600392614,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.406031600392614,"endHours":11.406031600392614,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.406031600392614,"endHours":12.406031600392614,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.406031600392614,"endHours":13.406031600392614,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.406031600392614,"endHours":14.406031600392614,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.406031600392614,"endHours":15.406031600392614,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.406031600392614,"endHours":16.406031600392616,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.406031600392616,"endHours":17.406031600392616,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.406031600392616,"endHours":18.406031600392616,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.406031600392616,"endHours":19.406031600392616,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.406031600392616,"endHours":20.406031600392616,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.406031600392616,"endHours":21.406031600392616,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.406031600392616,"endHours":22.406031600392616,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.406031600392616,"endHours":23.406031600392616,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.406031600392616,"endHours":24.406031600392616,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.406031600392616,"endHours":25.406031600392616,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.406031600392616,"endHours":26.406031600392616,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.406031600392616,"endHours":27.406031600392616,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.406031600392616,"endHours":28.406031600392616,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.406031600392616,"endHours":29.406031600392616,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.406031600392616,"endHours":30.406031600392616,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"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":-22.55332535540149,"eotMinutes":-5.875621106973772,"ayanamsa":24.0069}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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":"Pauṣa Śukla Dvitīyā · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 January 6, 2011 CE · Colombo, Sri Lanka · Vidhyamitra","description":"January 6, 2011 CE for Colombo, Sri Lanka: Śukla Dvitīyā, sūryodaya 06:24, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2011-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2011-01-06","sa":"https://sa.vidhyamitra.com/city/colombo/2011-01-06","hi":"https://hi.vidhyamitra.com/city/colombo/2011-01-06","x-default":"https://vidhyamitra.com/city/colombo/2011-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-25T11:28:44.179Z","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":"2026-09-25T11:28:44.179Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-25T11:28:44.179Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}