{"id":"vidhyamitra:city-day:kozhikode:1997-06-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kozhikode/1997-06-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-06-18","date_display":"June 18, 1997 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":1997,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450617.770833,"kali_year":5099,"ahargana":1862152.2708,"sun":{"sidereal_longitude":62.8027,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":207.7301,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.9274,"elapsed_within_tithi_degrees":0.9274},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.7301,"elapsed_within_degrees":7.7301},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5327},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1997,"month":6,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450617.770833,"ahargana":1862152.2708,"kali_year":5099,"ayanamsa_lahiri":23.8175,"grahas":{"sun":{"sidereal_longitude":63.040637000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":208.12433699999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":3.6169},"mars":{"sidereal_longitude":155.64133700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":53.60623700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":298.052237,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":83.17643699999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":354.876437,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":154.2114,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.2114,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1997,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450617.770833,"kali_year":5099,"ahargana":1862152.2708,"sun":{"sidereal_longitude":62.8027,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":207.7301,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":144.9274,"elapsed_within_tithi_degrees":0.9274},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.7301,"elapsed_within_degrees":7.7301},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5327},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.617,"elongation":144.927},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.617,"opposition_distance":35.073}},"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":"06:04","sunsetLocal":"18:51","solarNoonLocal":"12:28","dayLengthHours":12.782841055657858,"dayLengthDisplay":"12 Hours 46 Mins 58 Secs","nightLengthDisplay":"11 Hours 13 Mins 02 Secs","moonriseLocal":"16:21","moonsetLocal":"03:55","rahuKala":{"name":"Rāhu Kāla","start":"12:28","end":"14:04","startHours":12.46158389444833,"endHours":14.059439026405562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:40","end":"09:16","startHours":7.668018498576632,"endHours":9.265873630533864,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:28","startHours":10.863728762491098,"endHours":12.46158389444833,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:29","startHours":9.052826279606235,"endHours":9.478920981461496,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:57","startHours":6.602781743938478,"endHours":6.943657505422688,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:53","startHours":12.035489192593067,"endHours":12.887678596303592,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:13","startHours":4.365784559198353,"endHours":5.217973962908877,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"06:04","startHours":5.004926611981245,"endHours":6.070163366619401,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:27","startHours":14.59205740372464,"endHours":15.444246807435164,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:39","end":"19:03","startHours":18.65300442227726,"endHours":19.053004422277258,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:51","end":"19:23","startHours":18.85300442227726,"endHours":19.385622799596337,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:36","end":"20:21","startHours":18.60300442227726,"endHours":20.35300442227726,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:53","startHours":24.03548919259307,"endHours":24.887678596303594,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:04","end":"07:40","startHours":6.070163366619401,"endHours":7.668018498576632,"quality":"auspicious"},{"name":"Amṛta","start":"07:40","end":"09:16","startHours":7.668018498576632,"endHours":9.265873630533864,"quality":"auspicious"},{"name":"Kāla","start":"09:16","end":"10:52","startHours":9.265873630533864,"endHours":10.863728762491098,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:28","startHours":10.863728762491098,"endHours":12.46158389444833,"quality":"auspicious"},{"name":"Roga","start":"12:28","end":"14:04","startHours":12.46158389444833,"endHours":14.059439026405562,"quality":"inauspicious"},{"name":"Udveg","start":"14:04","end":"15:39","startHours":14.059439026405562,"endHours":15.657294158362795,"quality":"inauspicious"},{"name":"Chala","start":"15:39","end":"17:15","startHours":15.657294158362795,"endHours":17.255149290320027,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"18:51","startHours":17.255149290320027,"endHours":18.85300442227726,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:51","end":"20:15","startHours":18.85300442227726,"endHours":20.255149290320027,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:39","startHours":20.255149290320027,"endHours":21.657294158362795,"quality":"neutral"},{"name":"Labha","start":"21:39","end":"23:04","startHours":21.657294158362795,"endHours":23.059439026405563,"quality":"auspicious"},{"name":"Amṛta","start":"23:04","end":"00:28","startHours":23.059439026405563,"endHours":24.46158389444833,"quality":"auspicious"},{"name":"Kāla","start":"00:28","end":"01:52","startHours":24.46158389444833,"endHours":25.8637287624911,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:16","startHours":25.8637287624911,"endHours":27.265873630533864,"quality":"auspicious"},{"name":"Roga","start":"03:16","end":"04:40","startHours":27.265873630533864,"endHours":28.668018498576632,"quality":"inauspicious"},{"name":"Udveg","start":"04:40","end":"06:04","startHours":28.668018498576632,"endHours":30.0701633666194,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.070163366619401,"endHours":7.070163366619401,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.070163366619401,"endHours":8.0701633666194,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.0701633666194,"endHours":9.0701633666194,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.0701633666194,"endHours":10.0701633666194,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.0701633666194,"endHours":11.0701633666194,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.0701633666194,"endHours":12.0701633666194,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.0701633666194,"endHours":13.0701633666194,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.0701633666194,"endHours":14.0701633666194,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.0701633666194,"endHours":15.0701633666194,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.0701633666194,"endHours":16.0701633666194,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.0701633666194,"endHours":17.0701633666194,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.0701633666194,"endHours":18.0701633666194,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.0701633666194,"endHours":19.0701633666194,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.0701633666194,"endHours":20.0701633666194,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.0701633666194,"endHours":21.0701633666194,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.0701633666194,"endHours":22.0701633666194,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.0701633666194,"endHours":23.0701633666194,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.0701633666194,"endHours":24.0701633666194,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.0701633666194,"endHours":25.0701633666194,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.0701633666194,"endHours":26.0701633666194,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.0701633666194,"endHours":27.0701633666194,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.0701633666194,"endHours":28.0701633666194,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.0701633666194,"endHours":29.0701633666194,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.0701633666194,"endHours":30.0701633666194,"planetary_lord":"Sun"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.39917188814268,"eotMinutes":-0.8166336668997627,"ayanamsa":23.8175}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Trayodaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 June 18, 1997 CE · Kozhikode (Calicut), Kerala · Vidhyamitra","description":"June 18, 1997 CE for Kozhikode (Calicut), Kerala: Śukla Trayodaśī, sūryodaya 06:04, sūryāsta 18:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kozhikode/1997-06-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kozhikode/1997-06-18","sa":"https://sa.vidhyamitra.com/city/kozhikode/1997-06-18","hi":"https://hi.vidhyamitra.com/city/kozhikode/1997-06-18","x-default":"https://vidhyamitra.com/city/kozhikode/1997-06-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:10:01.919Z","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":"2026-06-02T05:10:01.919Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:10:01.919Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}