{"id":"vidhyamitra:city-day:kozhikode:2017-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2017-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-10-20","date_display":"October 20, 2017 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":2017,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458046.770833,"kali_year":5119,"ahargana":1869581.2708,"sun":{"sidereal_longitude":181.974,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":186.7675,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.7935,"elapsed_within_tithi_degrees":4.7935},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.7675,"elapsed_within_degrees":0.1008},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.7415},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2017,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458046.770833,"ahargana":1869581.2708,"kali_year":5119,"ayanamsa_lahiri":24.1017,"grahas":{"sun":{"sidereal_longitude":182.74089500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":185.544395,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":4.116},"mars":{"sidereal_longitude":153.89059500000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":189.93729499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":187.671295,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":162.67009499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":239.307995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":120.5872,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.5872,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2017,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458046.770833,"kali_year":5119,"ahargana":1869581.2708,"sun":{"sidereal_longitude":181.974,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":186.7675,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":4.7935,"elapsed_within_tithi_degrees":4.7935},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.7675,"elapsed_within_degrees":0.1008},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.7415},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.116,"elongation":4.794},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.116,"opposition_distance":175.206}},"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":"06:16","sunsetLocal":"18:06","solarNoonLocal":"12:11","dayLengthHours":11.83746334294002,"dayLengthDisplay":"11 Hours 50 Mins 15 Secs","nightLengthDisplay":"12 Hours 09 Mins 45 Secs","moonriseLocal":"06:29","moonsetLocal":"18:16","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:11","startHours":10.706675894728644,"endHours":12.186358812596147,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:09","end":"16:38","startHours":15.14572464833115,"endHours":16.625407566198653,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:45","end":"09:14","startHours":7.747310058993639,"endHours":9.22699297686114,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:25","startHours":9.029701921145474,"endHours":9.424284032576809,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:05","startHours":6.760854780415304,"endHours":7.076520469560371,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:35","startHours":11.791776701164814,"endHours":12.58094092402748,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:41","end":"05:29","startHours":4.689298695400801,"endHours":5.478462918263468,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:17","end":"06:16","startHours":5.281171862547802,"endHours":6.267627141126137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.159269369752817,"endHours":14.948433592615485,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.905090484066157,"endHours":18.305090484066156,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:36","startHours":18.105090484066157,"endHours":18.598318123355323,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.855090484066157,"endHours":19.605090484066157,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:35","startHours":23.791776701164814,"endHours":24.58094092402748,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:16","end":"07:45","startHours":6.267627141126137,"endHours":7.747310058993639,"quality":"neutral"},{"name":"Labha","start":"07:45","end":"09:14","startHours":7.747310058993639,"endHours":9.22699297686114,"quality":"auspicious"},{"name":"Amṛta","start":"09:14","end":"10:42","startHours":9.22699297686114,"endHours":10.706675894728644,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:11","startHours":10.706675894728644,"endHours":12.186358812596147,"quality":"inauspicious"},{"name":"Śubha","start":"12:11","end":"13:40","startHours":12.186358812596147,"endHours":13.666041730463649,"quality":"auspicious"},{"name":"Roga","start":"13:40","end":"15:09","startHours":13.666041730463649,"endHours":15.14572464833115,"quality":"inauspicious"},{"name":"Udveg","start":"15:09","end":"16:38","startHours":15.14572464833115,"endHours":16.625407566198653,"quality":"inauspicious"},{"name":"Chala","start":"16:38","end":"18:06","startHours":16.625407566198653,"endHours":18.105090484066157,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:06","end":"19:38","startHours":18.105090484066157,"endHours":19.625407566198653,"quality":"inauspicious"},{"name":"Udveg","start":"19:38","end":"21:09","startHours":19.625407566198653,"endHours":21.145724648331154,"quality":"inauspicious"},{"name":"Chala","start":"21:09","end":"22:40","startHours":21.145724648331154,"endHours":22.66604173046365,"quality":"neutral"},{"name":"Labha","start":"22:40","end":"00:11","startHours":22.66604173046365,"endHours":24.186358812596147,"quality":"auspicious"},{"name":"Amṛta","start":"00:11","end":"01:42","startHours":24.186358812596147,"endHours":25.706675894728644,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"03:14","startHours":25.706675894728644,"endHours":27.22699297686114,"quality":"inauspicious"},{"name":"Śubha","start":"03:14","end":"04:45","startHours":27.22699297686114,"endHours":28.74731005899364,"quality":"auspicious"},{"name":"Roga","start":"04:45","end":"06:16","startHours":28.74731005899364,"endHours":30.267627141126138,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.267627141126137,"endHours":7.267627141126137,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.267627141126137,"endHours":8.267627141126138,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.267627141126138,"endHours":9.267627141126138,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.267627141126138,"endHours":10.267627141126138,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.267627141126138,"endHours":11.267627141126138,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.267627141126138,"endHours":12.267627141126138,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.267627141126138,"endHours":13.267627141126138,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.267627141126138,"endHours":14.267627141126138,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.267627141126138,"endHours":15.267627141126138,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.267627141126138,"endHours":16.267627141126138,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.267627141126138,"endHours":17.267627141126138,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.267627141126138,"endHours":18.267627141126138,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.267627141126138,"endHours":19.267627141126138,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.267627141126138,"endHours":20.267627141126138,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.267627141126138,"endHours":21.267627141126138,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.267627141126138,"endHours":22.267627141126138,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.267627141126138,"endHours":23.267627141126138,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.267627141126138,"endHours":24.267627141126138,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.267627141126138,"endHours":25.267627141126138,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.267627141126138,"endHours":26.267627141126138,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.267627141126138,"endHours":27.267627141126138,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.267627141126138,"endHours":28.267627141126138,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.267627141126138,"endHours":29.267627141126138,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.267627141126138,"endHours":30.267627141126138,"planetary_lord":"Mars"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.346025410311487,"eotMinutes":15.696871244231174,"ayanamsa":24.1017}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Pratipada · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"govardhana-puja","name":"Govardhana Pūjā (Annakūṭa)","name_sanskrit":"गोवर्धन पूजा","tradition":"Vaishnava","associated_deity":"Krishna (Govardhana-dhārī)","significance":"Krishna lifted Govardhana to protect Vraja from Indra's wrath. Day 4 of Diwali.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 10.24-27"]}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 20, 2017 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"October 20, 2017 CE for Kozhikode (Calicut), Kerala: Śukla Pratipada, sūryodaya 06:16, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2017-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2017-10-20","sa":"https://sa.vidhyamitra.com/city/kozhikode/2017-10-20","hi":"https://hi.vidhyamitra.com/city/kozhikode/2017-10-20","x-default":"https://vidhyamitra.com/city/kozhikode/2017-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:35:57.234Z","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":"2026-06-01T21:35:57.234Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:35:57.234Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}