{"id":"vidhyamitra:city-day:kozhikode:2012-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2012-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-13","date_display":"September 13, 2012 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":2012,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2012,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456183.770833,"ahargana":1867718.2708,"kali_year":5114,"ayanamsa_lahiri":24.0304,"grahas":{"sun":{"sidereal_longitude":146.628575,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":107.881575,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-4.1694},"mars":{"sidereal_longitude":199.19107499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":148.64977499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.26867500000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":102.79737499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":183.14977499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":219.2979,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":39.2979,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2012,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456183.770833,"kali_year":5114,"ahargana":1867718.2708,"sun":{"sidereal_longitude":145.875,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":107.2193,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.3442,"elapsed_within_tithi_degrees":9.3442},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":107.2193,"elapsed_within_degrees":0.5526},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.0943},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.169,"elongation":38.656},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.169,"opposition_distance":141.344}},"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":"18:28","solarNoonLocal":"12:22","dayLengthHours":12.211887980446996,"dayLengthDisplay":"12 Hours 12 Mins 43 Secs","nightLengthDisplay":"11 Hours 47 Mins 17 Secs","moonriseLocal":"03:30","moonsetLocal":"16:04","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:25","startHours":13.895228148724772,"endHours":15.421714146280648,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:47","startHours":6.262798160945401,"endHours":7.7892841585012755,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:19","end":"10:51","startHours":9.31577015605715,"endHours":10.842256153613025,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:31","startHours":9.112238689716367,"endHours":9.519301622397933,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:06","startHours":6.771626826797359,"endHours":7.097277172942612,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:47","startHours":11.961679218487332,"endHours":12.775805083850466,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:27","startHours":4.634546430219135,"endHours":5.448672295582268,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:16","startHours":5.2451408292414845,"endHours":6.262798160945401,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:13","startHours":14.404056814576732,"endHours":15.218182679939865,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.274686141392397,"endHours":18.674686141392396,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"18:59","startHours":18.474686141392397,"endHours":18.983514807244354,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.224686141392397,"endHours":19.974686141392397,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:47","startHours":23.961679218487333,"endHours":24.775805083850464,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:47","startHours":6.262798160945401,"endHours":7.7892841585012755,"quality":"auspicious"},{"name":"Roga","start":"07:47","end":"09:19","startHours":7.7892841585012755,"endHours":9.31577015605715,"quality":"inauspicious"},{"name":"Udveg","start":"09:19","end":"10:51","startHours":9.31577015605715,"endHours":10.842256153613025,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:22","startHours":10.842256153613025,"endHours":12.368742151168899,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:54","startHours":12.368742151168899,"endHours":13.895228148724772,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:25","startHours":13.895228148724772,"endHours":15.421714146280648,"quality":"auspicious"},{"name":"Kāla","start":"15:25","end":"16:57","startHours":15.421714146280648,"endHours":16.948200143836523,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:28","startHours":16.948200143836523,"endHours":18.474686141392397,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:28","end":"19:57","startHours":18.474686141392397,"endHours":19.948200143836523,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:25","startHours":19.948200143836523,"endHours":21.42171414628065,"quality":"inauspicious"},{"name":"Śubha","start":"21:25","end":"22:54","startHours":21.42171414628065,"endHours":22.895228148724772,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:22","startHours":22.895228148724772,"endHours":24.3687421511689,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"01:51","startHours":24.3687421511689,"endHours":25.842256153613025,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:19","startHours":25.842256153613025,"endHours":27.315770156057148,"quality":"neutral"},{"name":"Labha","start":"03:19","end":"04:47","startHours":27.315770156057148,"endHours":28.789284158501275,"quality":"auspicious"},{"name":"Amṛta","start":"04:47","end":"06:16","startHours":28.789284158501275,"endHours":30.2627981609454,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.262798160945401,"endHours":7.262798160945401,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.262798160945401,"endHours":8.262798160945401,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.262798160945401,"endHours":9.262798160945401,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.262798160945401,"endHours":10.262798160945401,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.262798160945401,"endHours":11.262798160945401,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.262798160945401,"endHours":12.262798160945401,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.262798160945401,"endHours":13.262798160945401,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.262798160945401,"endHours":14.262798160945401,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.262798160945401,"endHours":15.262798160945401,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.262798160945401,"endHours":16.2627981609454,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.2627981609454,"endHours":17.2627981609454,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.2627981609454,"endHours":18.2627981609454,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.2627981609454,"endHours":19.2627981609454,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.2627981609454,"endHours":20.2627981609454,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.2627981609454,"endHours":21.2627981609454,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.2627981609454,"endHours":22.2627981609454,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.2627981609454,"endHours":23.2627981609454,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.2627981609454,"endHours":24.2627981609454,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.2627981609454,"endHours":25.2627981609454,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.2627981609454,"endHours":26.2627981609454,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.2627981609454,"endHours":27.2627981609454,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.2627981609454,"endHours":28.2627981609454,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.2627981609454,"endHours":29.2627981609454,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.2627981609454,"endHours":30.2627981609454,"planetary_lord":"Moon"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.7013666254339337,"eotMinutes":4.753870929866006,"ayanamsa":24.0304}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"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":[]},"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 September 13, 2012 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"September 13, 2012 CE for Kozhikode (Calicut), Kerala: Kṛṣṇa Dvādaśī, sūryodaya 06:16, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2012-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2012-09-13","sa":"https://sa.vidhyamitra.com/city/kozhikode/2012-09-13","hi":"https://hi.vidhyamitra.com/city/kozhikode/2012-09-13","x-default":"https://vidhyamitra.com/city/kozhikode/2012-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:59:37.935Z","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":"2026-05-31T14:59:37.935Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:59:37.935Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}