{"id":"vidhyamitra:city-day:kozhikode:2017-02-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2017-02-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-02-20","date_display":"February 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":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457804.770833,"kali_year":5118,"ahargana":1869339.2708,"sun":{"sidereal_longitude":307.5785,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":230.9413,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.3628,"elapsed_within_tithi_degrees":7.3628},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.9413,"elapsed_within_degrees":4.2746},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.5198},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457804.770833,"ahargana":1869339.2708,"kali_year":5118,"ayanamsa_lahiri":24.0924,"grahas":{"sun":{"sidereal_longitude":307.4961410000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":230.78804100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":4.4611},"mars":{"sidereal_longitude":352.546241,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":295.59224100000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":178.26974100000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":346.04344100000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":241.87934100000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":133.4095,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.4095,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457804.770833,"kali_year":5118,"ahargana":1869339.2708,"sun":{"sidereal_longitude":307.5785,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":230.9413,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.3628,"elapsed_within_tithi_degrees":7.3628},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":230.9413,"elapsed_within_degrees":4.2746},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.5198},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.461,"elongation":76.637},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.461,"opposition_distance":103.363}},"eclipse_window_40days":[{"offset_days":-9,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"06:46","sunsetLocal":"18:36","solarNoonLocal":"12:41","dayLengthHours":11.822216230882567,"dayLengthDisplay":"11 Hours 49 Mins 20 Secs","nightLengthDisplay":"12 Hours 10 Mins 40 Secs","moonriseLocal":"01:51","moonsetLocal":"13:18","rahuKala":{"name":"Rāhu Kāla","start":"08:15","end":"09:44","startHours":8.252697997497743,"endHours":9.730475026358064,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:12","end":"12:41","startHours":11.208252055218384,"endHours":12.686029084078704,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:10","end":"15:38","startHours":14.163806112939026,"endHours":15.641583141799348,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.533438089176688,"endHours":9.92751196353944,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:35","startHours":7.267513311590862,"endHours":7.582772411081064,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:05","startHours":12.291955209715953,"endHours":13.080102958441456,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:59","startHours":5.198625471186412,"endHours":5.9867732199119175,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:46","startHours":5.789736282730541,"endHours":6.774920968637422,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:27","startHours":14.656398455892468,"endHours":15.444546204617973,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.39713719951999,"endHours":18.797137199519987,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:05","startHours":18.597137199519988,"endHours":19.089729542473428,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.347137199519988,"endHours":20.097137199519988,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:05","startHours":24.29195520971595,"endHours":25.080102958441458,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:46","end":"08:15","startHours":6.774920968637422,"endHours":8.252697997497743,"quality":"auspicious"},{"name":"Kāla","start":"08:15","end":"09:44","startHours":8.252697997497743,"endHours":9.730475026358064,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:12","startHours":9.730475026358064,"endHours":11.208252055218384,"quality":"auspicious"},{"name":"Roga","start":"11:12","end":"12:41","startHours":11.208252055218384,"endHours":12.686029084078704,"quality":"inauspicious"},{"name":"Udveg","start":"12:41","end":"14:10","startHours":12.686029084078704,"endHours":14.163806112939026,"quality":"inauspicious"},{"name":"Chala","start":"14:10","end":"15:38","startHours":14.163806112939026,"endHours":15.641583141799348,"quality":"neutral"},{"name":"Labha","start":"15:38","end":"17:07","startHours":15.641583141799348,"endHours":17.119360170659668,"quality":"auspicious"},{"name":"Amṛta","start":"17:07","end":"18:36","startHours":17.119360170659668,"endHours":18.597137199519988,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:36","end":"20:07","startHours":18.597137199519988,"endHours":20.119360170659668,"quality":"neutral"},{"name":"Labha","start":"20:07","end":"21:38","startHours":20.119360170659668,"endHours":21.641583141799345,"quality":"auspicious"},{"name":"Amṛta","start":"21:38","end":"23:10","startHours":21.641583141799345,"endHours":23.163806112939024,"quality":"auspicious"},{"name":"Kāla","start":"23:10","end":"00:41","startHours":23.163806112939024,"endHours":24.686029084078704,"quality":"inauspicious"},{"name":"Śubha","start":"00:41","end":"02:12","startHours":24.686029084078704,"endHours":26.208252055218384,"quality":"auspicious"},{"name":"Roga","start":"02:12","end":"03:44","startHours":26.208252055218384,"endHours":27.730475026358064,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:15","startHours":27.730475026358064,"endHours":29.25269799749774,"quality":"inauspicious"},{"name":"Chala","start":"05:15","end":"06:46","startHours":29.25269799749774,"endHours":30.77492096863742,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.774920968637422,"endHours":7.774920968637422,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.774920968637422,"endHours":8.77492096863742,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.77492096863742,"endHours":9.77492096863742,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.77492096863742,"endHours":10.77492096863742,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.77492096863742,"endHours":11.77492096863742,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.77492096863742,"endHours":12.77492096863742,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.77492096863742,"endHours":13.77492096863742,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.77492096863742,"endHours":14.77492096863742,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.77492096863742,"endHours":15.77492096863742,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.77492096863742,"endHours":16.77492096863742,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.77492096863742,"endHours":17.77492096863742,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.77492096863742,"endHours":18.77492096863742,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.77492096863742,"endHours":19.77492096863742,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.77492096863742,"endHours":20.77492096863742,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.77492096863742,"endHours":21.77492096863742,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.77492096863742,"endHours":22.77492096863742,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.77492096863742,"endHours":23.77492096863742,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.77492096863742,"endHours":24.77492096863742,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.77492096863742,"endHours":25.77492096863742,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.77492096863742,"endHours":26.77492096863742,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.77492096863742,"endHours":27.77492096863742,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.77492096863742,"endHours":28.77492096863742,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.77492096863742,"endHours":29.77492096863742,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.77492096863742,"endHours":30.77492096863742,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.90850222141684,"eotMinutes":-14.28334504472219,"ayanamsa":24.0924}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Navamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 February 20, 2017 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"February 20, 2017 CE for Kozhikode (Calicut), Kerala: Kṛṣṇa Navamī, sūryodaya 06:46, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2017-02-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2017-02-20","sa":"https://sa.vidhyamitra.com/city/kozhikode/2017-02-20","hi":"https://hi.vidhyamitra.com/city/kozhikode/2017-02-20","x-default":"https://vidhyamitra.com/city/kozhikode/2017-02-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:06:29.149Z","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":"2026-05-15T20:06:29.149Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:06:29.149Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}