{"id":"vidhyamitra:city-day:jamnagar:1963-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1963-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-02-18","date_display":"February 18, 1963 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":1963,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438078.770833,"kali_year":5064,"ahargana":1849613.2708,"sun":{"sidereal_longitude":305.5254,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":231.7925,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.2671,"elapsed_within_tithi_degrees":10.2671},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.7925,"elapsed_within_degrees":5.1259},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.318},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1963,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438078.770833,"ahargana":1849613.2708,"kali_year":5064,"ayanamsa_lahiri":23.338,"grahas":{"sun":{"sidereal_longitude":305.326419,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":229.86471899999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":3.2785},"mars":{"sidereal_longitude":107.035619,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":280.149719,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":326.552019,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":260.6274189999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":292.880819,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":98.5879,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.5879,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1963,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438078.770833,"kali_year":5064,"ahargana":1849613.2708,"sun":{"sidereal_longitude":305.5254,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":231.7925,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.2671,"elapsed_within_tithi_degrees":10.2671},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.7925,"elapsed_within_degrees":5.1259},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.318},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.279,"elongation":73.733},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.279,"opposition_distance":106.267}},"eclipse_window_40days":[]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"07:21","sunsetLocal":"18:48","solarNoonLocal":"13:04","dayLengthHours":11.454363280115029,"dayLengthDisplay":"11 Hours 27 Mins 16 Secs","nightLengthDisplay":"12 Hours 32 Mins 44 Secs","moonriseLocal":"02:39","moonsetLocal":"13:26","rahuKala":{"name":"Rāhu Kāla","start":"08:46","end":"10:12","startHours":8.774681706830203,"endHours":10.206477116844582,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:38","end":"13:04","startHours":11.638272526858959,"endHours":13.070067936873338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:30","end":"15:56","startHours":14.501863346887717,"endHours":15.933658756902094,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:01","end":"10:24","startHours":10.015571062175997,"endHours":10.397383171513164,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:08","startHours":7.820151433487283,"endHours":8.125601120957016,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:27","startHours":12.688255827536171,"endHours":13.451880046210505,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:49","end":"06:35","startHours":5.815637859467153,"endHours":6.579262078141488,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:21","startHours":6.388356023472904,"endHours":7.3428862968158235,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:45","startHours":14.979128483559176,"endHours":15.742752702233512,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.597249576930853,"endHours":18.99724957693085,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:16","startHours":18.797249576930852,"endHours":19.27451471360231,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.547249576930852,"endHours":20.297249576930852,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:27","startHours":24.688255827536167,"endHours":25.451880046210505,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:21","end":"08:46","startHours":7.3428862968158235,"endHours":8.774681706830203,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:12","startHours":8.774681706830203,"endHours":10.206477116844582,"quality":"inauspicious"},{"name":"Śubha","start":"10:12","end":"11:38","startHours":10.206477116844582,"endHours":11.638272526858959,"quality":"auspicious"},{"name":"Roga","start":"11:38","end":"13:04","startHours":11.638272526858959,"endHours":13.070067936873338,"quality":"inauspicious"},{"name":"Udveg","start":"13:04","end":"14:30","startHours":13.070067936873338,"endHours":14.501863346887717,"quality":"inauspicious"},{"name":"Chala","start":"14:30","end":"15:56","startHours":14.501863346887717,"endHours":15.933658756902094,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:22","startHours":15.933658756902094,"endHours":17.36545416691647,"quality":"auspicious"},{"name":"Amṛta","start":"17:22","end":"18:48","startHours":17.36545416691647,"endHours":18.797249576930852,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:48","end":"20:22","startHours":18.797249576930852,"endHours":20.365454166916475,"quality":"neutral"},{"name":"Labha","start":"20:22","end":"21:56","startHours":20.365454166916475,"endHours":21.933658756902094,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:30","startHours":21.933658756902094,"endHours":23.501863346887717,"quality":"auspicious"},{"name":"Kāla","start":"23:30","end":"01:04","startHours":23.501863346887717,"endHours":25.070067936873336,"quality":"inauspicious"},{"name":"Śubha","start":"01:04","end":"02:38","startHours":25.070067936873336,"endHours":26.63827252685896,"quality":"auspicious"},{"name":"Roga","start":"02:38","end":"04:12","startHours":26.63827252685896,"endHours":28.20647711684458,"quality":"inauspicious"},{"name":"Udveg","start":"04:12","end":"05:46","startHours":28.20647711684458,"endHours":29.7746817068302,"quality":"inauspicious"},{"name":"Chala","start":"05:46","end":"07:21","startHours":29.7746817068302,"endHours":31.342886296815823,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.3428862968158235,"endHours":8.342886296815823,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.342886296815823,"endHours":9.342886296815823,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.342886296815823,"endHours":10.342886296815823,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.342886296815823,"endHours":11.342886296815823,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.342886296815823,"endHours":12.342886296815823,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.342886296815823,"endHours":13.342886296815823,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.342886296815823,"endHours":14.342886296815823,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.342886296815823,"endHours":15.342886296815823,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.342886296815823,"endHours":16.342886296815823,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.342886296815823,"endHours":17.342886296815823,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.342886296815823,"endHours":18.342886296815823,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.342886296815823,"endHours":19.342886296815823,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.342886296815823,"endHours":20.342886296815823,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.342886296815823,"endHours":21.342886296815823,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.342886296815823,"endHours":22.342886296815823,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.342886296815823,"endHours":23.342886296815823,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.342886296815823,"endHours":24.342886296815823,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.342886296815823,"endHours":25.342886296815823,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.342886296815823,"endHours":26.342886296815823,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.342886296815823,"endHours":27.342886296815823,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.342886296815823,"endHours":28.342886296815823,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.342886296815823,"endHours":29.342886296815823,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.342886296815823,"endHours":30.342886296815823,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.342886296815823,"endHours":31.342886296815823,"planetary_lord":"Venus"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.937268538264112,"eotMinutes":-14.434876212400278,"ayanamsa":23.338}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Navamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 18, 1963 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 18, 1963 CE for Jamnagar, Gujarat: Kṛṣṇa Navamī, sūryodaya 07:21, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1963-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1963-02-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/1963-02-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/1963-02-18","x-default":"https://vidhyamitra.com/city/jamnagar/1963-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:27:35.441Z","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":"2026-06-01T22:27:35.441Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:27:35.441Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}