{"id":"vidhyamitra:city-day:kozhikode:2001-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2001-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-02-01","date_display":"February 1, 2001 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":2001,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451941.770833,"kali_year":5102,"ahargana":1863476.2708,"sun":{"sidereal_longitude":288.3939,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":15.6399,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.2461,"elapsed_within_tithi_degrees":3.2461},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.6399,"elapsed_within_degrees":2.3066},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.0338},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2001,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451941.770833,"ahargana":1863476.2708,"kali_year":5102,"ayanamsa_lahiri":23.8682,"grahas":{"sun":{"sidereal_longitude":288.378551,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":11.79015099999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-4.184},"mars":{"sidereal_longitude":208.69285100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":306.02785100000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":37.36205100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":334.59165099999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.150650999999982,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":84.0595,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.0595,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva 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":2001,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451941.770833,"kali_year":5102,"ahargana":1863476.2708,"sun":{"sidereal_longitude":288.3939,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":15.6399,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.2461,"elapsed_within_tithi_degrees":3.2461},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.6399,"elapsed_within_degrees":2.3066},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.0338},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.184,"elongation":87.246},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.184,"opposition_distance":92.754}},"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":"06:51","sunsetLocal":"18:30","solarNoonLocal":"12:41","dayLengthHours":11.649844802125564,"dayLengthDisplay":"11 Hours 38 Mins 59 Secs","nightLengthDisplay":"12 Hours 21 Mins 01 Secs","moonriseLocal":"12:01","moonsetLocal":"00:28","rahuKala":{"name":"Rāhu Kāla","start":"14:08","end":"15:35","startHours":14.132359735555621,"endHours":15.588590335821317,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:51","end":"08:18","startHours":6.851206734227144,"endHours":8.307437334492839,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:46","end":"11:13","startHours":9.763667934758535,"endHours":11.219898535024232,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:57","startHours":9.56950385472311,"endHours":9.957832014793961,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:39","startHours":7.3366169343157095,"endHours":7.647279462372391,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:04","startHours":12.287800975219074,"endHours":13.064457295360778,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:04","startHours":5.297894093943736,"endHours":6.07455041408544,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:51","startHours":5.880386334050014,"endHours":6.851206734227144,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:24","startHours":14.617769935644187,"endHours":15.394426255785891,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.30105153635271,"endHours":18.701051536352708,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:59","startHours":18.50105153635271,"endHours":18.986461736441274,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.25105153635271,"endHours":20.00105153635271,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:04","startHours":24.287800975219074,"endHours":25.06445729536078,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:51","end":"08:18","startHours":6.851206734227144,"endHours":8.307437334492839,"quality":"auspicious"},{"name":"Roga","start":"08:18","end":"09:46","startHours":8.307437334492839,"endHours":9.763667934758535,"quality":"inauspicious"},{"name":"Udveg","start":"09:46","end":"11:13","startHours":9.763667934758535,"endHours":11.219898535024232,"quality":"inauspicious"},{"name":"Chala","start":"11:13","end":"12:41","startHours":11.219898535024232,"endHours":12.676129135289926,"quality":"neutral"},{"name":"Labha","start":"12:41","end":"14:08","startHours":12.676129135289926,"endHours":14.132359735555621,"quality":"auspicious"},{"name":"Amṛta","start":"14:08","end":"15:35","startHours":14.132359735555621,"endHours":15.588590335821317,"quality":"auspicious"},{"name":"Kāla","start":"15:35","end":"17:03","startHours":15.588590335821317,"endHours":17.044820936087014,"quality":"inauspicious"},{"name":"Śubha","start":"17:03","end":"18:30","startHours":17.044820936087014,"endHours":18.50105153635271,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:30","end":"20:03","startHours":18.50105153635271,"endHours":20.044820936087014,"quality":"auspicious"},{"name":"Kāla","start":"20:03","end":"21:35","startHours":20.044820936087014,"endHours":21.588590335821316,"quality":"inauspicious"},{"name":"Śubha","start":"21:35","end":"23:08","startHours":21.588590335821316,"endHours":23.13235973555562,"quality":"auspicious"},{"name":"Roga","start":"23:08","end":"00:41","startHours":23.13235973555562,"endHours":24.676129135289926,"quality":"inauspicious"},{"name":"Udveg","start":"00:41","end":"02:13","startHours":24.676129135289926,"endHours":26.21989853502423,"quality":"inauspicious"},{"name":"Chala","start":"02:13","end":"03:46","startHours":26.21989853502423,"endHours":27.763667934758537,"quality":"neutral"},{"name":"Labha","start":"03:46","end":"05:18","startHours":27.763667934758537,"endHours":29.30743733449284,"quality":"auspicious"},{"name":"Amṛta","start":"05:18","end":"06:51","startHours":29.30743733449284,"endHours":30.851206734227144,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.851206734227144,"endHours":7.851206734227144,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.851206734227144,"endHours":8.851206734227144,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.851206734227144,"endHours":9.851206734227144,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.851206734227144,"endHours":10.851206734227144,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.851206734227144,"endHours":11.851206734227144,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.851206734227144,"endHours":12.851206734227144,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.851206734227144,"endHours":13.851206734227144,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.851206734227144,"endHours":14.851206734227144,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.851206734227144,"endHours":15.851206734227144,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.851206734227144,"endHours":16.851206734227144,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.851206734227144,"endHours":17.851206734227144,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.851206734227144,"endHours":18.851206734227144,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.851206734227144,"endHours":19.851206734227144,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.851206734227144,"endHours":20.851206734227144,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.851206734227144,"endHours":21.851206734227144,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.851206734227144,"endHours":22.851206734227144,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.851206734227144,"endHours":23.851206734227144,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.851206734227144,"endHours":24.851206734227144,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.851206734227144,"endHours":25.851206734227144,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.851206734227144,"endHours":26.851206734227144,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.851206734227144,"endHours":27.851206734227144,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.851206734227144,"endHours":28.851206734227144,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.851206734227144,"endHours":29.851206734227144,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.851206734227144,"endHours":30.851206734227144,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.122997608162542,"eotMinutes":-13.689348117395623,"ayanamsa":23.8682}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 1, 2001 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"February 1, 2001 CE for Kozhikode (Calicut), Kerala: Śukla Aṣṭamī, sūryodaya 06:51, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2001-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2001-02-01","sa":"https://sa.vidhyamitra.com/city/kozhikode/2001-02-01","hi":"https://hi.vidhyamitra.com/city/kozhikode/2001-02-01","x-default":"https://vidhyamitra.com/city/kozhikode/2001-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T21:32:58.546Z","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":"2026-05-22T21:32:58.546Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T21:32:58.546Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}