{"id":"vidhyamitra:city-day:kozhikode:2011-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/2011-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-04-13","date_display":"April 13, 2011 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":2011,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455664.770833,"kali_year":5112,"ahargana":1867199.2708,"sun":{"sidereal_longitude":358.8772,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":111.7728,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8956,"elapsed_within_tithi_degrees":4.8956},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7728,"elapsed_within_degrees":5.1062},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.6501},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2011,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455664.770833,"ahargana":1867199.2708,"kali_year":5112,"ayanamsa_lahiri":24.0106,"grahas":{"sun":{"sidereal_longitude":358.765705,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":108.32250499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":-3.179},"mars":{"sidereal_longitude":344.230005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":353.143005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":353.99530500000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":326.03410499999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":168.93670499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":246.797,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":66.797,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"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":2011,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455664.770833,"kali_year":5112,"ahargana":1867199.2708,"sun":{"sidereal_longitude":358.8772,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":111.7728,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":112.8956,"elapsed_within_tithi_degrees":4.8956},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.7728,"elapsed_within_degrees":5.1062},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.6501},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.179,"elongation":112.896},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.179,"opposition_distance":67.104}},"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":"06:17","sunsetLocal":"18:38","solarNoonLocal":"12:28","dayLengthHours":12.351725563403548,"dayLengthDisplay":"12 Hours 21 Mins 06 Secs","nightLengthDisplay":"11 Hours 38 Mins 54 Secs","moonriseLocal":"13:29","moonsetLocal":"02:02","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"14:00","startHours":12.460803513828406,"endHours":14.004769209253848,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:50","end":"09:22","startHours":7.8289064275520746,"endHours":9.372872122977519,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:55","end":"12:28","startHours":10.91683781840296,"endHours":12.460803513828406,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:35","startHours":9.167010030254126,"endHours":9.57873421570091,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:08","startHours":6.799595963935112,"endHours":7.12897531229254,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:52","startHours":12.049079328381621,"endHours":12.87252769927519,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:28","startHours":4.638043990339492,"endHours":5.461492361233061,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:17","startHours":5.255630268509669,"endHours":6.284940732126631,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:21","startHours":14.51942444106233,"endHours":15.3428728119559,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.43666629553018,"endHours":18.83666629553018,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:09","startHours":18.63666629553018,"endHours":19.15132152733866,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38666629553018,"endHours":20.13666629553018,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:52","startHours":24.04907932838162,"endHours":24.872527699275192,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:17","end":"07:50","startHours":6.284940732126631,"endHours":7.8289064275520746,"quality":"auspicious"},{"name":"Amṛta","start":"07:50","end":"09:22","startHours":7.8289064275520746,"endHours":9.372872122977519,"quality":"auspicious"},{"name":"Kāla","start":"09:22","end":"10:55","startHours":9.372872122977519,"endHours":10.91683781840296,"quality":"inauspicious"},{"name":"Śubha","start":"10:55","end":"12:28","startHours":10.91683781840296,"endHours":12.460803513828406,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"14:00","startHours":12.460803513828406,"endHours":14.004769209253848,"quality":"inauspicious"},{"name":"Udveg","start":"14:00","end":"15:33","startHours":14.004769209253848,"endHours":15.548734904679293,"quality":"inauspicious"},{"name":"Chala","start":"15:33","end":"17:06","startHours":15.548734904679293,"endHours":17.092700600104735,"quality":"neutral"},{"name":"Labha","start":"17:06","end":"18:38","startHours":17.092700600104735,"endHours":18.63666629553018,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:38","end":"20:06","startHours":18.63666629553018,"endHours":20.092700600104735,"quality":"inauspicious"},{"name":"Chala","start":"20:06","end":"21:33","startHours":20.092700600104735,"endHours":21.548734904679293,"quality":"neutral"},{"name":"Labha","start":"21:33","end":"23:00","startHours":21.548734904679293,"endHours":23.00476920925385,"quality":"auspicious"},{"name":"Amṛta","start":"23:00","end":"00:28","startHours":23.00476920925385,"endHours":24.460803513828406,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:55","startHours":24.460803513828406,"endHours":25.91683781840296,"quality":"inauspicious"},{"name":"Śubha","start":"01:55","end":"03:22","startHours":25.91683781840296,"endHours":27.37287212297752,"quality":"auspicious"},{"name":"Roga","start":"03:22","end":"04:50","startHours":27.37287212297752,"endHours":28.828906427552077,"quality":"inauspicious"},{"name":"Udveg","start":"04:50","end":"06:17","startHours":28.828906427552077,"endHours":30.284940732126632,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.284940732126631,"endHours":7.284940732126631,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.284940732126631,"endHours":8.284940732126632,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.284940732126632,"endHours":9.284940732126632,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.284940732126632,"endHours":10.284940732126632,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.284940732126632,"endHours":11.284940732126632,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.284940732126632,"endHours":12.284940732126632,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.284940732126632,"endHours":13.284940732126632,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.284940732126632,"endHours":14.284940732126632,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.284940732126632,"endHours":15.284940732126632,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.284940732126632,"endHours":16.284940732126632,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.284940732126632,"endHours":17.284940732126632,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.284940732126632,"endHours":18.284940732126632,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.284940732126632,"endHours":19.284940732126632,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.284940732126632,"endHours":20.284940732126632,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.284940732126632,"endHours":21.284940732126632,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.284940732126632,"endHours":22.284940732126632,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.284940732126632,"endHours":23.284940732126632,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.284940732126632,"endHours":24.284940732126632,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.284940732126632,"endHours":25.284940732126632,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.284940732126632,"endHours":26.284940732126632,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.284940732126632,"endHours":27.284940732126632,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.284940732126632,"endHours":28.284940732126632,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.284940732126632,"endHours":29.284940732126632,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.284940732126632,"endHours":30.284940732126632,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.85740563691356,"eotMinutes":-0.7698108297043191,"ayanamsa":24.0106}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Daśamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 April 13, 2011 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"April 13, 2011 CE for Kozhikode (Calicut), Kerala: Śukla Daśamī, sūryodaya 06:17, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/2011-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/2011-04-13","sa":"https://sa.vidhyamitra.com/city/kozhikode/2011-04-13","hi":"https://hi.vidhyamitra.com/city/kozhikode/2011-04-13","x-default":"https://vidhyamitra.com/city/kozhikode/2011-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:52:02.940Z","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":"2026-06-01T08:52:02.940Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:52:02.940Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}