{"id":"vidhyamitra:city-day:kozhikode:2011-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2011-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-01-18","date_display":"January 18, 2011 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":2011,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455579.770833,"kali_year":5112,"ahargana":1867114.2708,"sun":{"sidereal_longitude":273.453,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.6849,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.2319,"elapsed_within_tithi_degrees":11.2319},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.6849,"elapsed_within_degrees":2.0182},"yoga":{"number":26,"name":"Indra","sum_longitude":342.1379},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2011,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455579.770833,"ahargana":1867114.2708,"kali_year":5112,"ayanamsa_lahiri":24.0073,"grahas":{"sun":{"sidereal_longitude":273.56945199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":69.16105199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":0.2052},"mars":{"sidereal_longitude":277.490452,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":251.44805199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":335.213252,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":226.75515199999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":172.90975200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":251.3007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.3007,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"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":2011,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455579.770833,"kali_year":5112,"ahargana":1867114.2708,"sun":{"sidereal_longitude":273.453,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":68.6849,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.2319,"elapsed_within_tithi_degrees":11.2319},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.6849,"elapsed_within_degrees":2.0182},"yoga":{"number":26,"name":"Indra","sum_longitude":342.1379},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.205,"elongation":155.232},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.205,"opposition_distance":24.768}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":0.37,"elongation":2.307}]},"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":"06:51","sunsetLocal":"18:24","solarNoonLocal":"12:37","dayLengthHours":11.547809369072171,"dayLengthDisplay":"11 Hours 32 Mins 52 Secs","nightLengthDisplay":"12 Hours 27 Mins 08 Secs","moonriseLocal":"16:37","moonsetLocal":"05:22","rahuKala":{"name":"Rāhu Kāla","start":"15:30","end":"16:57","startHours":15.507412835296204,"endHours":16.950889006430224,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:44","end":"11:11","startHours":9.733508150760118,"endHours":11.176984321894139,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:37","end":"14:04","startHours":12.620460493028162,"endHours":14.063936664162181,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.541044661275581,"endHours":9.925971640244654,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:38","startHours":7.327714532203416,"endHours":7.635656115378674,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:00","startHours":12.235533514059089,"endHours":13.005387471997235,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:05","startHours":5.306847892615786,"endHours":6.076701850553931,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:51","startHours":5.884238361069395,"endHours":6.8465558084920755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:19","startHours":14.545095387873523,"endHours":15.314949345811668,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.194365177564247,"endHours":18.594365177564246,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:53","startHours":18.394365177564246,"endHours":18.87552390127559,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.144365177564246,"endHours":19.894365177564246,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:00","startHours":24.23553351405909,"endHours":25.005387471997235,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:51","end":"08:17","startHours":6.8465558084920755,"endHours":8.290031979626097,"quality":"inauspicious"},{"name":"Udveg","start":"08:17","end":"09:44","startHours":8.290031979626097,"endHours":9.733508150760118,"quality":"inauspicious"},{"name":"Chala","start":"09:44","end":"11:11","startHours":9.733508150760118,"endHours":11.176984321894139,"quality":"neutral"},{"name":"Labha","start":"11:11","end":"12:37","startHours":11.176984321894139,"endHours":12.620460493028162,"quality":"auspicious"},{"name":"Amṛta","start":"12:37","end":"14:04","startHours":12.620460493028162,"endHours":14.063936664162181,"quality":"auspicious"},{"name":"Kāla","start":"14:04","end":"15:30","startHours":14.063936664162181,"endHours":15.507412835296204,"quality":"inauspicious"},{"name":"Śubha","start":"15:30","end":"16:57","startHours":15.507412835296204,"endHours":16.950889006430224,"quality":"auspicious"},{"name":"Roga","start":"16:57","end":"18:24","startHours":16.950889006430224,"endHours":18.394365177564246,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:24","end":"19:57","startHours":18.394365177564246,"endHours":19.950889006430224,"quality":"inauspicious"},{"name":"Śubha","start":"19:57","end":"21:30","startHours":19.950889006430224,"endHours":21.507412835296204,"quality":"auspicious"},{"name":"Roga","start":"21:30","end":"23:04","startHours":21.507412835296204,"endHours":23.06393666416218,"quality":"inauspicious"},{"name":"Udveg","start":"23:04","end":"00:37","startHours":23.06393666416218,"endHours":24.620460493028162,"quality":"inauspicious"},{"name":"Chala","start":"00:37","end":"02:11","startHours":24.620460493028162,"endHours":26.17698432189414,"quality":"neutral"},{"name":"Labha","start":"02:11","end":"03:44","startHours":26.17698432189414,"endHours":27.733508150760116,"quality":"auspicious"},{"name":"Amṛta","start":"03:44","end":"05:17","startHours":27.733508150760116,"endHours":29.290031979626097,"quality":"auspicious"},{"name":"Kāla","start":"05:17","end":"06:51","startHours":29.290031979626097,"endHours":30.846555808492077,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.8465558084920755,"endHours":7.8465558084920755,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.8465558084920755,"endHours":8.846555808492075,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.846555808492075,"endHours":9.846555808492075,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.846555808492075,"endHours":10.846555808492075,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.846555808492075,"endHours":11.846555808492075,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.846555808492075,"endHours":12.846555808492075,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.846555808492075,"endHours":13.846555808492075,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.846555808492075,"endHours":14.846555808492075,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.846555808492075,"endHours":15.846555808492075,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.846555808492075,"endHours":16.846555808492077,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.846555808492077,"endHours":17.846555808492077,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.846555808492077,"endHours":18.846555808492077,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.846555808492077,"endHours":19.846555808492077,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.846555808492077,"endHours":20.846555808492077,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.846555808492077,"endHours":21.846555808492077,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.846555808492077,"endHours":22.846555808492077,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.846555808492077,"endHours":23.846555808492077,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.846555808492077,"endHours":24.846555808492077,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.846555808492077,"endHours":25.846555808492077,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.846555808492077,"endHours":26.846555808492077,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.846555808492077,"endHours":27.846555808492077,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.846555808492077,"endHours":28.846555808492077,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.846555808492077,"endHours":29.846555808492077,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.846555808492077,"endHours":30.846555808492077,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.643160111093167,"eotMinutes":-10.349229581689698,"ayanamsa":24.0073}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 18, 2011 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"January 18, 2011 CE for Kozhikode (Calicut), Kerala: Śukla Trayodaśī, sūryodaya 06:51, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2011-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2011-01-18","sa":"https://sa.vidhyamitra.com/city/kozhikode/2011-01-18","hi":"https://hi.vidhyamitra.com/city/kozhikode/2011-01-18","x-default":"https://vidhyamitra.com/city/kozhikode/2011-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:00:35.046Z","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":"2026-05-30T23:00:35.046Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:00:35.046Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}