{"id":"vidhyamitra:city-day:kozhikode:2030-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2030-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-12-13","date_display":"December 13, 2030 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2030,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462848.770833,"kali_year":5132,"ahargana":1874383.2708,"sun":{"sidereal_longitude":236.2893,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":93.0758,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.7865,"elapsed_within_tithi_degrees":0.7865},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.0758,"elapsed_within_degrees":13.0758},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.3651},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2030,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462848.770833,"ahargana":1874383.2708,"kali_year":5132,"ayanamsa_lahiri":24.2853,"grahas":{"sun":{"sidereal_longitude":236.76892299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":90.26152300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-3.2853},"mars":{"sidereal_longitude":167.56352300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.86652299999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":227.00822300000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":249.58882300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":39.77712300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":226.1541,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":46.1541,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2030,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462848.770833,"kali_year":5132,"ahargana":1874383.2708,"sun":{"sidereal_longitude":236.2893,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":93.0758,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.7865,"elapsed_within_tithi_degrees":0.7865},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.0758,"elapsed_within_degrees":13.0758},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.3651},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.285,"elongation":143.213},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.285,"opposition_distance":36.787}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":-0.714,"opposition_distance":2.237}]},"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":"06:38","sunsetLocal":"18:06","solarNoonLocal":"12:22","dayLengthHours":11.472962011269026,"dayLengthDisplay":"11 Hours 28 Mins 23 Secs","nightLengthDisplay":"12 Hours 31 Mins 37 Secs","moonriseLocal":"20:15","moonsetLocal":"08:56","rahuKala":{"name":"Rāhu Kāla","start":"10:56","end":"12:22","startHours":10.92900891110107,"endHours":12.363129162509697,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:40","startHours":15.231369665326955,"endHours":16.66548991673558,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:04","end":"09:30","startHours":8.060768408283813,"endHours":9.494888659692442,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:41","startHours":9.303672626171291,"endHours":9.686104693213592,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:25","startHours":7.104688240678061,"endHours":7.410633894311902,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:45","startHours":11.980697095467397,"endHours":12.745561229551997,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:52","startHours":5.0969198887059814,"endHours":5.861784022790584,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:40","end":"06:38","startHours":5.670567989269433,"endHours":6.626648156875185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:02","startHours":14.275289497721204,"endHours":15.040153631805806,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.89961016814421,"endHours":18.29961016814421,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.09961016814421,"endHours":18.577650251947087,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.84961016814421,"endHours":19.59961016814421,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:45","startHours":23.980697095467395,"endHours":24.745561229552,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:38","end":"08:04","startHours":6.626648156875185,"endHours":8.060768408283813,"quality":"neutral"},{"name":"Labha","start":"08:04","end":"09:30","startHours":8.060768408283813,"endHours":9.494888659692442,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:56","startHours":9.494888659692442,"endHours":10.92900891110107,"quality":"auspicious"},{"name":"Kāla","start":"10:56","end":"12:22","startHours":10.92900891110107,"endHours":12.363129162509697,"quality":"inauspicious"},{"name":"Śubha","start":"12:22","end":"13:48","startHours":12.363129162509697,"endHours":13.797249413918326,"quality":"auspicious"},{"name":"Roga","start":"13:48","end":"15:14","startHours":13.797249413918326,"endHours":15.231369665326955,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:40","startHours":15.231369665326955,"endHours":16.66548991673558,"quality":"inauspicious"},{"name":"Chala","start":"16:40","end":"18:06","startHours":16.66548991673558,"endHours":18.09961016814421,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:06","end":"19:40","startHours":18.09961016814421,"endHours":19.66548991673558,"quality":"inauspicious"},{"name":"Udveg","start":"19:40","end":"21:14","startHours":19.66548991673558,"endHours":21.23136966532695,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:48","startHours":21.23136966532695,"endHours":22.797249413918326,"quality":"neutral"},{"name":"Labha","start":"22:48","end":"00:22","startHours":22.797249413918326,"endHours":24.363129162509697,"quality":"auspicious"},{"name":"Amṛta","start":"00:22","end":"01:56","startHours":24.363129162509697,"endHours":25.929008911101068,"quality":"auspicious"},{"name":"Kāla","start":"01:56","end":"03:30","startHours":25.929008911101068,"endHours":27.494888659692442,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:04","startHours":27.494888659692442,"endHours":29.060768408283813,"quality":"auspicious"},{"name":"Roga","start":"05:04","end":"06:38","startHours":29.060768408283813,"endHours":30.626648156875184,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.626648156875185,"endHours":7.626648156875185,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.626648156875185,"endHours":8.626648156875184,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.626648156875184,"endHours":9.626648156875184,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.626648156875184,"endHours":10.626648156875184,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.626648156875184,"endHours":11.626648156875184,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.626648156875184,"endHours":12.626648156875184,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.626648156875184,"endHours":13.626648156875184,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.626648156875184,"endHours":14.626648156875184,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.626648156875184,"endHours":15.626648156875184,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.626648156875184,"endHours":16.626648156875184,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.626648156875184,"endHours":17.626648156875184,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.626648156875184,"endHours":18.626648156875184,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.626648156875184,"endHours":19.626648156875184,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.626648156875184,"endHours":20.626648156875184,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.626648156875184,"endHours":21.626648156875184,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.626648156875184,"endHours":22.626648156875184,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.626648156875184,"endHours":23.626648156875184,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.626648156875184,"endHours":24.626648156875184,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.626648156875184,"endHours":25.626648156875184,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.626648156875184,"endHours":26.626648156875184,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.626648156875184,"endHours":27.626648156875184,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.626648156875184,"endHours":28.626648156875184,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.626648156875184,"endHours":29.626648156875184,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.626648156875184,"endHours":30.626648156875184,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.134719032940797,"eotMinutes":5.090650249418121,"ayanamsa":24.2853}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"Dedicated festival walk for Saṅkaṣṭī Caturthī is not live yet; 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 December 13, 2030 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"December 13, 2030 CE for Kozhikode (Calicut), Kerala: Kṛṣṇa Caturthī, sūryodaya 06:38, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2030-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2030-12-13","sa":"https://sa.vidhyamitra.com/city/kozhikode/2030-12-13","hi":"https://hi.vidhyamitra.com/city/kozhikode/2030-12-13","x-default":"https://vidhyamitra.com/city/kozhikode/2030-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T12:05:19.882Z","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":"2026-09-11T12:05:19.882Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T12:05:19.882Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}