{"id":"vidhyamitra:city-day:colombo:1982-12-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/1982-12-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-12-30","date_display":"December 30, 1982 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":1982,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445333.770833,"kali_year":5084,"ahargana":1856868.2708,"sun":{"sidereal_longitude":254.1804,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":67.5405,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.3601,"elapsed_within_tithi_degrees":5.3601},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.5405,"elapsed_within_degrees":0.8738},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.7208},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1982,"month":12,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445333.770833,"ahargana":1856868.2708,"kali_year":5084,"ayanamsa_lahiri":23.6154,"grahas":{"sun":{"sidereal_longitude":254.39302499999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":68.13922500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-0.52},"mars":{"sidereal_longitude":292.10182499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":274.2623249999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":217.92062499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":268.22422499999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":188.81582500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":74.1831,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":254.1831,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":"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":1982,"month":12,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445333.770833,"kali_year":5084,"ahargana":1856868.2708,"sun":{"sidereal_longitude":254.1804,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":67.5405,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.3601,"elapsed_within_tithi_degrees":5.3601},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":67.5405,"elapsed_within_degrees":0.8738},"yoga":{"number":25,"name":"Brahma","sum_longitude":321.7208},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.52,"elongation":173.36},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.52,"opposition_distance":6.64}},"eclipse_window_40days":[{"offset_days":-15,"type":"solar","occurs":true,"moon_latitude":1.462,"elongation":2.771},{"offset_days":15,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"06:22","sunsetLocal":"18:05","solarNoonLocal":"12:13","dayLengthHours":11.723961646112649,"dayLengthDisplay":"11 Hours 43 Mins 26 Secs","nightLengthDisplay":"12 Hours 16 Mins 34 Secs","moonriseLocal":"17:34","moonsetLocal":"06:03","rahuKala":{"name":"Rāhu Kāla","start":"13:41","end":"15:09","startHours":13.688136780768618,"endHours":15.153631986532698,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:22","end":"07:50","startHours":6.360660751948212,"endHours":7.826155957712293,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:17","end":"10:45","startHours":9.291651163476374,"endHours":10.757146369240456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:29","startHours":9.09625180270783,"endHours":9.487050524244918,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:10","startHours":6.849159153869572,"endHours":7.161798131099243,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:37","startHours":11.83184285346745,"endHours":12.613440296541626,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:35","startHours":4.797465865799859,"endHours":5.579063308874035,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:22","startHours":5.383663948105491,"endHours":6.360660751948212,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:57","startHours":14.176635182689978,"endHours":14.958232625764154,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.884622398060863,"endHours":18.28462239806086,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.084622398060862,"endHours":18.573120799982224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.834622398060862,"endHours":19.584622398060862,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:37","startHours":23.83184285346745,"endHours":24.613440296541626,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:22","end":"07:50","startHours":6.360660751948212,"endHours":7.826155957712293,"quality":"auspicious"},{"name":"Roga","start":"07:50","end":"09:17","startHours":7.826155957712293,"endHours":9.291651163476374,"quality":"inauspicious"},{"name":"Udveg","start":"09:17","end":"10:45","startHours":9.291651163476374,"endHours":10.757146369240456,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:13","startHours":10.757146369240456,"endHours":12.222641575004538,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:41","startHours":12.222641575004538,"endHours":13.688136780768618,"quality":"auspicious"},{"name":"Amṛta","start":"13:41","end":"15:09","startHours":13.688136780768618,"endHours":15.153631986532698,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:37","startHours":15.153631986532698,"endHours":16.61912719229678,"quality":"inauspicious"},{"name":"Śubha","start":"16:37","end":"18:05","startHours":16.61912719229678,"endHours":18.084622398060862,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:05","end":"19:37","startHours":18.084622398060862,"endHours":19.61912719229678,"quality":"auspicious"},{"name":"Kāla","start":"19:37","end":"21:09","startHours":19.61912719229678,"endHours":21.1536319865327,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:41","startHours":21.1536319865327,"endHours":22.68813678076862,"quality":"auspicious"},{"name":"Roga","start":"22:41","end":"00:13","startHours":22.68813678076862,"endHours":24.222641575004538,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:45","startHours":24.222641575004538,"endHours":25.757146369240456,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:17","startHours":25.757146369240456,"endHours":27.291651163476374,"quality":"neutral"},{"name":"Labha","start":"03:17","end":"04:50","startHours":27.291651163476374,"endHours":28.826155957712295,"quality":"auspicious"},{"name":"Amṛta","start":"04:50","end":"06:22","startHours":28.826155957712295,"endHours":30.360660751948213,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.360660751948212,"endHours":7.360660751948212,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.360660751948212,"endHours":8.360660751948213,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.360660751948213,"endHours":9.360660751948213,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.360660751948213,"endHours":10.360660751948213,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.360660751948213,"endHours":11.360660751948213,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.360660751948213,"endHours":12.360660751948213,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.360660751948213,"endHours":13.360660751948213,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.360660751948213,"endHours":14.360660751948213,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.360660751948213,"endHours":15.360660751948213,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.360660751948213,"endHours":16.360660751948213,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.360660751948213,"endHours":17.360660751948213,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.360660751948213,"endHours":18.360660751948213,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.360660751948213,"endHours":19.360660751948213,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.360660751948213,"endHours":20.360660751948213,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.360660751948213,"endHours":21.360660751948213,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.360660751948213,"endHours":22.360660751948213,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.360660751948213,"endHours":23.360660751948213,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.360660751948213,"endHours":24.360660751948213,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.360660751948213,"endHours":25.360660751948213,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.360660751948213,"endHours":26.360660751948213,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.360660751948213,"endHours":27.360660751948213,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.360660751948213,"endHours":28.360660751948213,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.360660751948213,"endHours":29.360660751948213,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.360660751948213,"endHours":30.360660751948213,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","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":-23.19449597302777,"eotMinutes":-2.803294500272213,"ayanamsa":23.6154}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"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 Pūrṇimā · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"datta-jayanti","name":"Datta Jayantī","name_sanskrit":"दत्त जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dattātreya (Brahmā + Viṣṇu + Śiva combined)","significance":"Birth of Dattātreya from Atri-Anusūyā; tri-mūrti unified avatāra.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2,"sources":["Mārkaṇḍeya Purāṇa","Bhāgavata 4.1.15"]},{"id":"annapurna-jayanti","name":"Annapūrṇā Jayantī","name_sanskrit":"अन्नपूर्णा जयन्ती","tradition":"Shakta","associated_deity":"Devī Annapūrṇā (Pārvatī as nourishing mother)","significance":"Devī Annapūrṇā's manifestation; food-grain pūjā; Mārgaśīrṣa Pūrṇimā tradition.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3,"sources":["Annapūrṇā-stotra by Śaṅkarācārya"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 December 30, 1982 CE · Colombo, Sri Lanka · Vidhyamitra","description":"December 30, 1982 CE for Colombo, Sri Lanka: Śukla Pūrṇimā, sūryodaya 06:22, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/1982-12-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/1982-12-30","sa":"https://sa.vidhyamitra.com/city/colombo/1982-12-30","hi":"https://hi.vidhyamitra.com/city/colombo/1982-12-30","x-default":"https://vidhyamitra.com/city/colombo/1982-12-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:29:53.182Z","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":"2026-06-03T03:29:53.182Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:29:53.182Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}