{"id":"vidhyamitra:city-day:cuttack:1981-02-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/cuttack/1981-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-11","date_display":"February 11, 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":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444646.770833,"kali_year":5082,"ahargana":1856181.2708,"sun":{"sidereal_longitude":298.7666,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":18.0954,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3288,"elapsed_within_tithi_degrees":7.3288},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.0954,"elapsed_within_degrees":4.762},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.8619},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444646.770833,"ahargana":1856181.2708,"kali_year":5082,"ayanamsa_lahiri":23.5892,"grahas":{"sun":{"sidereal_longitude":298.64307299999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":19.364472999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-4.4957},"mars":{"sidereal_longitude":309.941373,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.081373,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.387873,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":285.1930729999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":165.494373,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":110.5837,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.5837,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444646.770833,"kali_year":5082,"ahargana":1856181.2708,"sun":{"sidereal_longitude":298.7666,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":18.0954,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3288,"elapsed_within_tithi_degrees":7.3288},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.0954,"elapsed_within_degrees":4.762},"yoga":{"number":24,"name":"Śukla","sum_longitude":316.8619},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":79.329},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":100.671}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"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":"06:19","sunsetLocal":"17:43","solarNoonLocal":"12:01","dayLengthHours":11.405670643108515,"dayLengthDisplay":"11 Hours 24 Mins 20 Secs","nightLengthDisplay":"12 Hours 35 Mins 40 Secs","moonriseLocal":"10:57","moonsetLocal":"23:51","rahuKala":{"name":"Rāhu Kāla","start":"12:01","end":"13:27","startHours":12.017432359176311,"endHours":13.443141189564876,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:44","end":"09:10","startHours":7.740305868010618,"endHours":9.166014698399183,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:36","end":"12:01","startHours":10.591723528787746,"endHours":12.017432359176311,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:21","startHours":8.975920187680707,"endHours":9.356109209117658,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:06","startHours":6.789833314418242,"endHours":7.093984531567803,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:24","startHours":11.637243337739362,"endHours":12.397621380613261,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:33","startHours":4.793840951874252,"endHours":5.554218994748153,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:19","startHours":5.364124484029678,"endHours":6.314597037622054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:41","startHours":13.918377466361065,"endHours":14.678755509234966,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.52026768073057,"endHours":17.920267680730568,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:12","startHours":17.72026768073057,"endHours":18.195503957526757,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.47026768073057,"endHours":19.22026768073057,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:24","startHours":23.63724333773936,"endHours":24.397621380613263,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:19","end":"07:44","startHours":6.314597037622054,"endHours":7.740305868010618,"quality":"auspicious"},{"name":"Amṛta","start":"07:44","end":"09:10","startHours":7.740305868010618,"endHours":9.166014698399183,"quality":"auspicious"},{"name":"Kāla","start":"09:10","end":"10:36","startHours":9.166014698399183,"endHours":10.591723528787746,"quality":"inauspicious"},{"name":"Śubha","start":"10:36","end":"12:01","startHours":10.591723528787746,"endHours":12.017432359176311,"quality":"auspicious"},{"name":"Roga","start":"12:01","end":"13:27","startHours":12.017432359176311,"endHours":13.443141189564876,"quality":"inauspicious"},{"name":"Udveg","start":"13:27","end":"14:52","startHours":13.443141189564876,"endHours":14.86885001995344,"quality":"inauspicious"},{"name":"Chala","start":"14:52","end":"16:18","startHours":14.86885001995344,"endHours":16.294558850342003,"quality":"neutral"},{"name":"Labha","start":"16:18","end":"17:43","startHours":16.294558850342003,"endHours":17.72026768073057,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:43","end":"19:18","startHours":17.72026768073057,"endHours":19.294558850342003,"quality":"inauspicious"},{"name":"Chala","start":"19:18","end":"20:52","startHours":19.294558850342003,"endHours":20.86885001995344,"quality":"neutral"},{"name":"Labha","start":"20:52","end":"22:27","startHours":20.86885001995344,"endHours":22.443141189564876,"quality":"auspicious"},{"name":"Amṛta","start":"22:27","end":"00:01","startHours":22.443141189564876,"endHours":24.01743235917631,"quality":"auspicious"},{"name":"Kāla","start":"00:01","end":"01:36","startHours":24.01743235917631,"endHours":25.591723528787746,"quality":"inauspicious"},{"name":"Śubha","start":"01:36","end":"03:10","startHours":25.591723528787746,"endHours":27.16601469839918,"quality":"auspicious"},{"name":"Roga","start":"03:10","end":"04:44","startHours":27.16601469839918,"endHours":28.74030586801062,"quality":"inauspicious"},{"name":"Udveg","start":"04:44","end":"06:19","startHours":28.74030586801062,"endHours":30.314597037622054,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.314597037622054,"endHours":7.314597037622054,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.314597037622054,"endHours":8.314597037622054,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.314597037622054,"endHours":9.314597037622054,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.314597037622054,"endHours":10.314597037622054,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.314597037622054,"endHours":11.314597037622054,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.314597037622054,"endHours":12.314597037622054,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.314597037622054,"endHours":13.314597037622054,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.314597037622054,"endHours":14.314597037622054,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.314597037622054,"endHours":15.314597037622054,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.314597037622054,"endHours":16.314597037622054,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.314597037622054,"endHours":17.314597037622054,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.314597037622054,"endHours":18.314597037622054,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.314597037622054,"endHours":19.314597037622054,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.314597037622054,"endHours":20.314597037622054,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.314597037622054,"endHours":21.314597037622054,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.314597037622054,"endHours":22.314597037622054,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.314597037622054,"endHours":23.314597037622054,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.314597037622054,"endHours":24.314597037622054,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.314597037622054,"endHours":25.314597037622054,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.314597037622054,"endHours":26.314597037622054,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.314597037622054,"endHours":27.314597037622054,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.314597037622054,"endHours":28.314597037622054,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.314597037622054,"endHours":29.314597037622054,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.314597037622054,"endHours":30.314597037622054,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-14.098875286053813,"eotMinutes":-14.577141550578775,"ayanamsa":23.5892}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 February 11, 1981 CE · Cuttack, Odisha · Vidhyamitra","description":"February 11, 1981 CE for Cuttack, Odisha: Śukla Saptamī, sūryodaya 06:19, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/cuttack/1981-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/cuttack/1981-02-11","sa":"https://sa.vidhyamitra.com/city/cuttack/1981-02-11","hi":"https://hi.vidhyamitra.com/city/cuttack/1981-02-11","x-default":"https://vidhyamitra.com/city/cuttack/1981-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T11:33:43.772Z","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":"2026-06-01T11:33:43.772Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T11:33:43.772Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}