{"id":"vidhyamitra:city-day:colombo:2006-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2006-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2006-12-28","date_display":"December 28, 2006 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":2006,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454097.770833,"kali_year":5108,"ahargana":1865632.2708,"sun":{"sidereal_longitude":251.9083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.741,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.8327,"elapsed_within_tithi_degrees":11.8327},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.741,"elapsed_within_degrees":1.0743},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.6493},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2006,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454097.770833,"ahargana":1865632.2708,"kali_year":5108,"ayanamsa_lahiri":23.9506,"grahas":{"sun":{"sidereal_longitude":252.19737600000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":347.724776,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":1.3831},"mars":{"sidereal_longitude":231.495676,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":246.22607600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":224.16617599999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":267.053676,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":120.51937600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":329.8242,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":149.8242,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"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":2006,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454097.770833,"kali_year":5108,"ahargana":1865632.2708,"sun":{"sidereal_longitude":251.9083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.741,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.8327,"elapsed_within_tithi_degrees":11.8327},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.741,"elapsed_within_degrees":1.0743},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.6493},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.383,"elongation":95.833},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.383,"opposition_distance":84.167}},"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":"18:04","solarNoonLocal":"12:12","dayLengthHours":11.722147026889076,"dayLengthDisplay":"11 Hours 43 Mins 20 Secs","nightLengthDisplay":"12 Hours 16 Mins 40 Secs","moonriseLocal":"12:30","moonsetLocal":"00:39","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:08","startHours":13.672640119432593,"endHours":15.137908497793727,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:21","end":"07:49","startHours":6.346298227626921,"endHours":7.811566605988055,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:17","end":"10:45","startHours":9.27683498434919,"endHours":10.742103362710324,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:28","startHours":9.081465867234371,"endHours":9.472204101464008,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.834721020413966,"endHours":7.147311607797675,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:36","startHours":11.816633506841823,"endHours":12.598109975301094,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:34","startHours":4.783345290708377,"endHours":5.564821759167649,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:21","startHours":5.369452642052831,"endHours":6.346298227626921,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.161062912219638,"endHours":14.942539380678909,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.868445254515997,"endHours":18.268445254515996,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:33","startHours":18.068445254515996,"endHours":18.55686804730304,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.818445254515996,"endHours":19.568445254515996,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:36","startHours":23.81663350684182,"endHours":24.598109975301096,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:21","end":"07:49","startHours":6.346298227626921,"endHours":7.811566605988055,"quality":"auspicious"},{"name":"Roga","start":"07:49","end":"09:17","startHours":7.811566605988055,"endHours":9.27683498434919,"quality":"inauspicious"},{"name":"Udveg","start":"09:17","end":"10:45","startHours":9.27683498434919,"endHours":10.742103362710324,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:12","startHours":10.742103362710324,"endHours":12.207371741071459,"quality":"neutral"},{"name":"Labha","start":"12:12","end":"13:40","startHours":12.207371741071459,"endHours":13.672640119432593,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:08","startHours":13.672640119432593,"endHours":15.137908497793727,"quality":"auspicious"},{"name":"Kāla","start":"15:08","end":"16:36","startHours":15.137908497793727,"endHours":16.603176876154862,"quality":"inauspicious"},{"name":"Śubha","start":"16:36","end":"18:04","startHours":16.603176876154862,"endHours":18.068445254515996,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:04","end":"19:36","startHours":18.068445254515996,"endHours":19.603176876154862,"quality":"auspicious"},{"name":"Kāla","start":"19:36","end":"21:08","startHours":19.603176876154862,"endHours":21.137908497793727,"quality":"inauspicious"},{"name":"Śubha","start":"21:08","end":"22:40","startHours":21.137908497793727,"endHours":22.672640119432593,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:12","startHours":22.672640119432593,"endHours":24.20737174107146,"quality":"inauspicious"},{"name":"Udveg","start":"00:12","end":"01:45","startHours":24.20737174107146,"endHours":25.742103362710324,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:17","startHours":25.742103362710324,"endHours":27.27683498434919,"quality":"neutral"},{"name":"Labha","start":"03:17","end":"04:49","startHours":27.27683498434919,"endHours":28.811566605988055,"quality":"auspicious"},{"name":"Amṛta","start":"04:49","end":"06:21","startHours":28.811566605988055,"endHours":30.34629822762692,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.346298227626921,"endHours":7.346298227626921,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.346298227626921,"endHours":8.34629822762692,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.34629822762692,"endHours":9.34629822762692,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.34629822762692,"endHours":10.34629822762692,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.34629822762692,"endHours":11.34629822762692,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.34629822762692,"endHours":12.34629822762692,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.34629822762692,"endHours":13.34629822762692,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.34629822762692,"endHours":14.34629822762692,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.34629822762692,"endHours":15.34629822762692,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.34629822762692,"endHours":16.34629822762692,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.34629822762692,"endHours":17.34629822762692,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.34629822762692,"endHours":18.34629822762692,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.34629822762692,"endHours":19.34629822762692,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.34629822762692,"endHours":20.34629822762692,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.34629822762692,"endHours":21.34629822762692,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.34629822762692,"endHours":22.34629822762692,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.34629822762692,"endHours":23.34629822762692,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.34629822762692,"endHours":24.34629822762692,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.34629822762692,"endHours":25.34629822762692,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.34629822762692,"endHours":26.34629822762692,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.34629822762692,"endHours":27.34629822762692,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.34629822762692,"endHours":28.34629822762692,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.34629822762692,"endHours":29.34629822762692,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.34629822762692,"endHours":30.34629822762692,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","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":-23.29372729335797,"eotMinutes":-1.8871044642874448,"ayanamsa":23.9506}},"calendars":{"vikram_samvat":2063,"vikram_samvatsara":"Vikāri","saka_samvat":1928,"saka_samvatsara":"Vyaya","bengali_samvat":1413,"malayalam_era":1182,"nanakshahi_year":537,"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 Aṣṭamī · Vikram 2063 Vikāri · Śaka 1928 Vyaya"},"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 December 28, 2006 CE · Colombo, Sri Lanka · Vidhyamitra","description":"December 28, 2006 CE for Colombo, Sri Lanka: Śukla Aṣṭamī, sūryodaya 06:21, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2006-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2006-12-28","sa":"https://sa.vidhyamitra.com/city/colombo/2006-12-28","hi":"https://hi.vidhyamitra.com/city/colombo/2006-12-28","x-default":"https://vidhyamitra.com/city/colombo/2006-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T10:09:27.273Z","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":"2026-08-10T10:09:27.273Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T10:09:27.273Z","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":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"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"}}}