{"id":"vidhyamitra:city-day:kozhikode:1981-10-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/1981-10-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-10","date_display":"October 10, 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":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444887.770833,"kali_year":5083,"ahargana":1856422.2708,"sun":{"sidereal_longitude":172.3585,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":307.3358,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.9772,"elapsed_within_tithi_degrees":2.9772},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.3358,"elapsed_within_degrees":0.6691},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.6943},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":10,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444887.770833,"ahargana":1856422.2708,"kali_year":5083,"ayanamsa_lahiri":23.5984,"grahas":{"sun":{"sidereal_longitude":173.05586500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":306.65216499999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":-2.2156},"mars":{"sidereal_longitude":120.120765,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":189.96206499999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":176.60956499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":217.870765,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":169.40236499999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":97.8144,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.8144,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444887.770833,"kali_year":5083,"ahargana":1856422.2708,"sun":{"sidereal_longitude":172.3585,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":307.3358,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.9772,"elapsed_within_tithi_degrees":2.9772},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.3358,"elapsed_within_degrees":0.6691},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.6943},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.216,"elongation":134.977},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.216,"opposition_distance":45.023}},"eclipse_window_40days":[]},"city":{"slug":"kozhikode","name":"Kozhikode (Calicut), Kerala","lat":11.2588,"lon":75.7804,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kozhikode","name":"Kozhikode (Calicut), Kerala","lat":11.2588,"lon":75.7804,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tier-1"},"sunriseLocal":"06:15","sunsetLocal":"18:11","solarNoonLocal":"12:13","dayLengthHours":11.93949356519181,"dayLengthDisplay":"11 Hours 56 Mins 22 Secs","nightLengthDisplay":"12 Hours 03 Mins 38 Secs","moonriseLocal":"15:14","moonsetLocal":"03:01","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:44","startHours":9.234042507502554,"endHours":10.72647920315153,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:12","startHours":13.711352594449483,"endHours":15.20378929009846,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:15","end":"07:44","startHours":6.249169116204601,"endHours":7.741605811853577,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:26","startHours":9.03505094808269,"endHours":9.433034066922417,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.74664801475426,"endHours":7.065034509826042,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:37","startHours":11.82093277996078,"endHours":12.616899017640234,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:39","end":"05:27","startHours":4.657236640845692,"endHours":5.453202878525147,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:15","startHours":5.254211319105283,"endHours":6.249169116204601,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:00","startHours":14.208831492999142,"endHours":15.004797730678597,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.988662681396413,"endHours":18.38866268139641,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:41","startHours":18.188662681396412,"endHours":18.68614157994607,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.938662681396412,"endHours":19.688662681396412,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:37","startHours":23.82093277996078,"endHours":24.616899017640232,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:15","end":"07:44","startHours":6.249169116204601,"endHours":7.741605811853577,"quality":"inauspicious"},{"name":"Śubha","start":"07:44","end":"09:14","startHours":7.741605811853577,"endHours":9.234042507502554,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:44","startHours":9.234042507502554,"endHours":10.72647920315153,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:13","startHours":10.72647920315153,"endHours":12.218915898800507,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:43","startHours":12.218915898800507,"endHours":13.711352594449483,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:12","startHours":13.711352594449483,"endHours":15.20378929009846,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:42","startHours":15.20378929009846,"endHours":16.696225985747436,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:11","startHours":16.696225985747436,"endHours":18.188662681396412,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:11","end":"19:42","startHours":18.188662681396412,"endHours":19.696225985747436,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:12","startHours":19.696225985747436,"endHours":21.20378929009846,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:43","startHours":21.20378929009846,"endHours":22.711352594449483,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:13","startHours":22.711352594449483,"endHours":24.218915898800507,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:44","startHours":24.218915898800507,"endHours":25.72647920315153,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:14","startHours":25.72647920315153,"endHours":27.234042507502554,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:44","startHours":27.234042507502554,"endHours":28.741605811853578,"quality":"neutral"},{"name":"Labha","start":"04:44","end":"06:15","startHours":28.741605811853578,"endHours":30.2491691162046,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.249169116204601,"endHours":7.249169116204601,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.249169116204601,"endHours":8.249169116204602,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.249169116204602,"endHours":9.249169116204602,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.249169116204602,"endHours":10.249169116204602,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.249169116204602,"endHours":11.249169116204602,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.249169116204602,"endHours":12.249169116204602,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.249169116204602,"endHours":13.249169116204602,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.249169116204602,"endHours":14.249169116204602,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.249169116204602,"endHours":15.249169116204602,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.249169116204602,"endHours":16.2491691162046,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.2491691162046,"endHours":17.2491691162046,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.2491691162046,"endHours":18.2491691162046,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.2491691162046,"endHours":19.2491691162046,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.2491691162046,"endHours":20.2491691162046,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.2491691162046,"endHours":21.2491691162046,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.2491691162046,"endHours":22.2491691162046,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.2491691162046,"endHours":23.2491691162046,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.2491691162046,"endHours":24.2491691162046,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.2491691162046,"endHours":25.2491691162046,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.2491691162046,"endHours":26.2491691162046,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.2491691162046,"endHours":27.2491691162046,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.2491691162046,"endHours":28.2491691162046,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.2491691162046,"endHours":29.2491691162046,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.2491691162046,"endHours":30.2491691162046,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.545285598798683,"eotMinutes":13.743446071969673,"ayanamsa":23.5984}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"kozhikode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 10, 1981 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"October 10, 1981 CE for Kozhikode (Calicut), Kerala: Śukla Dvādaśī, sūryodaya 06:15, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/1981-10-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/1981-10-10","sa":"https://sa.vidhyamitra.com/city/kozhikode/1981-10-10","hi":"https://hi.vidhyamitra.com/city/kozhikode/1981-10-10","x-default":"https://vidhyamitra.com/city/kozhikode/1981-10-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:20:58.781Z","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":"2026-06-01T22:20:58.781Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:20:58.781Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}