{"id":"vidhyamitra:city-day:cuttack:1981-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/cuttack/1981-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-06","date_display":"December 6, 1981 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":1981,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444944.770833,"kali_year":5083,"ahargana":1856479.2708,"sun":{"sidereal_longitude":229.8147,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":340.2869,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.4722,"elapsed_within_tithi_degrees":2.4722},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2869,"elapsed_within_degrees":6.9536},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.1017},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1981,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444944.770833,"ahargana":1856479.2708,"kali_year":5083,"ayanamsa_lahiri":23.6006,"grahas":{"sun":{"sidereal_longitude":230.23188800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":337.029088,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-4.0939},"mars":{"sidereal_longitude":151.78778799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":227.89328799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":188.521888,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":274.66338799999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":175.70648800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":94.7942,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.7942,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"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":1981,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444944.770833,"kali_year":5083,"ahargana":1856479.2708,"sun":{"sidereal_longitude":229.8147,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":340.2869,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.4722,"elapsed_within_tithi_degrees":2.4722},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2869,"elapsed_within_degrees":6.9536},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.1017},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.094,"elongation":110.472},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.094,"opposition_distance":69.528}},"eclipse_window_40days":[]},"city":{"slug":"cuttack","name":"Cuttack, Odisha","lat":20.4625,"lon":85.8828,"tz_offset_hours":5.5,"state":"Odisha","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"cuttack","name":"Cuttack, Odisha","lat":20.4625,"lon":85.8828,"tz_offset_hours":5.5,"state":"Odisha","country":"IN","tier":"tier-1"},"sunriseLocal":"06:10","sunsetLocal":"17:07","solarNoonLocal":"11:38","dayLengthHours":10.946650001030008,"dayLengthDisplay":"10 Hours 56 Mins 48 Secs","nightLengthDisplay":"13 Hours 03 Mins 12 Secs","moonriseLocal":"12:43","moonsetLocal":"00:48","rahuKala":{"name":"Rāhu Kāla","start":"15:45","end":"17:07","startHours":15.743759092473727,"endHours":17.112090342602478,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:38","end":"13:00","startHours":11.638765342087474,"endHours":13.007096592216225,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:23","end":"15:45","startHours":14.375427842344976,"endHours":15.743759092473727,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:05","startHours":8.719658675146139,"endHours":9.084547008513805,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:55","startHours":6.621550758282054,"endHours":6.913461424976187,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:16","end":"12:00","startHours":11.273877008719808,"endHours":12.00365367545514,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:26","startHours":4.7058870081018025,"endHours":5.435663674837136,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:10","startHours":5.253219508153303,"endHours":6.16544034157247,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:28","end":"14:12","startHours":13.46320700892581,"endHours":14.192983675661145,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:55","end":"17:19","startHours":16.91209034260248,"endHours":17.312090342602477,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:07","end":"17:34","startHours":17.112090342602478,"endHours":17.568200759312063,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:52","end":"18:37","startHours":16.862090342602478,"endHours":18.612090342602478,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:16","end":"00:00","startHours":23.273877008719808,"endHours":24.00365367545514,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:10","end":"07:32","startHours":6.16544034157247,"endHours":7.533771591701221,"quality":"inauspicious"},{"name":"Chala","start":"07:32","end":"08:54","startHours":7.533771591701221,"endHours":8.902102841829972,"quality":"neutral"},{"name":"Labha","start":"08:54","end":"10:16","startHours":8.902102841829972,"endHours":10.270434091958723,"quality":"auspicious"},{"name":"Amṛta","start":"10:16","end":"11:38","startHours":10.270434091958723,"endHours":11.638765342087474,"quality":"auspicious"},{"name":"Kāla","start":"11:38","end":"13:00","startHours":11.638765342087474,"endHours":13.007096592216225,"quality":"inauspicious"},{"name":"Śubha","start":"13:00","end":"14:23","startHours":13.007096592216225,"endHours":14.375427842344976,"quality":"auspicious"},{"name":"Roga","start":"14:23","end":"15:45","startHours":14.375427842344976,"endHours":15.743759092473727,"quality":"inauspicious"},{"name":"Udveg","start":"15:45","end":"17:07","startHours":15.743759092473727,"endHours":17.112090342602478,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:07","end":"18:45","startHours":17.112090342602478,"endHours":18.743759092473727,"quality":"auspicious"},{"name":"Roga","start":"18:45","end":"20:23","startHours":18.743759092473727,"endHours":20.375427842344976,"quality":"inauspicious"},{"name":"Udveg","start":"20:23","end":"22:00","startHours":20.375427842344976,"endHours":22.007096592216225,"quality":"inauspicious"},{"name":"Chala","start":"22:00","end":"23:38","startHours":22.007096592216225,"endHours":23.638765342087474,"quality":"neutral"},{"name":"Labha","start":"23:38","end":"01:16","startHours":23.638765342087474,"endHours":25.270434091958723,"quality":"auspicious"},{"name":"Amṛta","start":"01:16","end":"02:54","startHours":25.270434091958723,"endHours":26.902102841829972,"quality":"auspicious"},{"name":"Kāla","start":"02:54","end":"04:32","startHours":26.902102841829972,"endHours":28.53377159170122,"quality":"inauspicious"},{"name":"Śubha","start":"04:32","end":"06:10","startHours":28.53377159170122,"endHours":30.16544034157247,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:10","end":"07:10","startHours":6.16544034157247,"endHours":7.16544034157247,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:10","end":"08:10","startHours":7.16544034157247,"endHours":8.16544034157247,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:10","end":"09:10","startHours":8.16544034157247,"endHours":9.16544034157247,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:10","end":"10:10","startHours":9.16544034157247,"endHours":10.16544034157247,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:10","end":"11:10","startHours":10.16544034157247,"endHours":11.16544034157247,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:10","end":"12:10","startHours":11.16544034157247,"endHours":12.16544034157247,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:10","end":"13:10","startHours":12.16544034157247,"endHours":13.16544034157247,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:10","end":"14:10","startHours":13.16544034157247,"endHours":14.16544034157247,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:10","end":"15:10","startHours":14.16544034157247,"endHours":15.16544034157247,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:10","end":"16:10","startHours":15.16544034157247,"endHours":16.16544034157247,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:10","end":"17:10","startHours":16.16544034157247,"endHours":17.16544034157247,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:10","end":"18:10","startHours":17.16544034157247,"endHours":18.16544034157247,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:10","end":"19:10","startHours":18.16544034157247,"endHours":19.16544034157247,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:10","end":"20:10","startHours":19.16544034157247,"endHours":20.16544034157247,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:10","end":"21:10","startHours":20.16544034157247,"endHours":21.16544034157247,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:10","end":"22:10","startHours":21.16544034157247,"endHours":22.16544034157247,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:10","end":"23:10","startHours":22.16544034157247,"endHours":23.16544034157247,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:10","end":"00:10","startHours":23.16544034157247,"endHours":24.16544034157247,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:10","end":"01:10","startHours":24.16544034157247,"endHours":25.16544034157247,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:10","end":"02:10","startHours":25.16544034157247,"endHours":26.16544034157247,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:10","end":"03:10","startHours":26.16544034157247,"endHours":27.16544034157247,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:10","end":"04:10","startHours":27.16544034157247,"endHours":28.16544034157247,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:10","end":"05:10","startHours":28.16544034157247,"endHours":29.16544034157247,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:10","end":"06:10","startHours":29.16544034157247,"endHours":30.16544034157247,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.45779776944663,"eotMinutes":8.142879474751563,"ayanamsa":23.6006}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"cuttack"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 6, 1981 CE · Cuttack, Odisha · Vidhyamitra","description":"December 6, 1981 CE for Cuttack, Odisha: Śukla Daśamī, sūryodaya 06:10, sūryāsta 17:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/cuttack/1981-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/cuttack/1981-12-06","sa":"https://sa.vidhyamitra.com/city/cuttack/1981-12-06","hi":"https://hi.vidhyamitra.com/city/cuttack/1981-12-06","x-default":"https://vidhyamitra.com/city/cuttack/1981-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:11:11.926Z","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":"2026-05-31T03:11:11.926Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:11:11.926Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}