{"id":"vidhyamitra:city-day:jamnagar:1985-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1985-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-18","date_display":"May 18, 1985 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":1985,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446203.770833,"kali_year":5087,"ahargana":1857738.2708,"sun":{"sidereal_longitude":33.4055,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":12.302,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.8965,"elapsed_within_tithi_degrees":2.8965},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.302,"elapsed_within_degrees":12.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.7075},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1985,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446203.770833,"ahargana":1857738.2708,"kali_year":5087,"ayanamsa_lahiri":23.6487,"grahas":{"sun":{"sidereal_longitude":33.407285,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":13.087485000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-1.2229},"mars":{"sidereal_longitude":51.494384999999966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":12.551485000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":293.703985,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":351.137785,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":210.676285,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.0863,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.0863,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":1985,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446203.770833,"kali_year":5087,"ahargana":1857738.2708,"sun":{"sidereal_longitude":33.4055,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":12.302,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":338.8965,"elapsed_within_tithi_degrees":2.8965},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.302,"elapsed_within_degrees":12.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.7075},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.223,"elongation":21.104},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.223,"opposition_distance":158.896}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"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":"06:09","sunsetLocal":"19:24","solarNoonLocal":"12:46","dayLengthHours":13.251924791812204,"dayLengthDisplay":"13 Hours 15 Mins 07 Secs","nightLengthDisplay":"10 Hours 44 Mins 53 Secs","moonriseLocal":"04:59","moonsetLocal":"17:51","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"11:07","startHours":9.455019098872455,"endHours":11.111509697848982,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:25","end":"16:05","startHours":14.424490895802032,"endHours":16.08098149477856,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:09","end":"07:48","startHours":6.142037900919405,"endHours":7.79852849989593,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:41","startHours":9.234153685675587,"endHours":9.675884512069326,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:03","startHours":6.69420143391158,"endHours":7.047586095026572,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:13","startHours":12.326269470431766,"endHours":13.209731123219248,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:16","startHours":4.375114595344445,"endHours":5.2585762481319245,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:09","startHours":5.037710834935055,"endHours":6.142037900919405,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:52","startHours":14.976654428794207,"endHours":15.860116081581687,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.19396269273161,"endHours":19.59396269273161,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:57","startHours":19.39396269273161,"endHours":19.946126225723784,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.14396269273161,"endHours":20.89396269273161,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:13","startHours":24.326269470431765,"endHours":25.209731123219246,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:09","end":"07:48","startHours":6.142037900919405,"endHours":7.79852849989593,"quality":"inauspicious"},{"name":"Śubha","start":"07:48","end":"09:27","startHours":7.79852849989593,"endHours":9.455019098872455,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"11:07","startHours":9.455019098872455,"endHours":11.111509697848982,"quality":"inauspicious"},{"name":"Udveg","start":"11:07","end":"12:46","startHours":11.111509697848982,"endHours":12.768000296825507,"quality":"inauspicious"},{"name":"Chala","start":"12:46","end":"14:25","startHours":12.768000296825507,"endHours":14.424490895802032,"quality":"neutral"},{"name":"Labha","start":"14:25","end":"16:05","startHours":14.424490895802032,"endHours":16.08098149477856,"quality":"auspicious"},{"name":"Amṛta","start":"16:05","end":"17:44","startHours":16.08098149477856,"endHours":17.737472093755084,"quality":"auspicious"},{"name":"Kāla","start":"17:44","end":"19:24","startHours":17.737472093755084,"endHours":19.39396269273161,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:24","end":"20:44","startHours":19.39396269273161,"endHours":20.737472093755084,"quality":"auspicious"},{"name":"Amṛta","start":"20:44","end":"22:05","startHours":20.737472093755084,"endHours":22.08098149477856,"quality":"auspicious"},{"name":"Kāla","start":"22:05","end":"23:25","startHours":22.08098149477856,"endHours":23.42449089580203,"quality":"inauspicious"},{"name":"Śubha","start":"23:25","end":"00:46","startHours":23.42449089580203,"endHours":24.768000296825505,"quality":"auspicious"},{"name":"Roga","start":"00:46","end":"02:07","startHours":24.768000296825505,"endHours":26.11150969784898,"quality":"inauspicious"},{"name":"Udveg","start":"02:07","end":"03:27","startHours":26.11150969784898,"endHours":27.455019098872455,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"04:48","startHours":27.455019098872455,"endHours":28.79852849989593,"quality":"neutral"},{"name":"Labha","start":"04:48","end":"06:09","startHours":28.79852849989593,"endHours":30.142037900919405,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.142037900919405,"endHours":7.142037900919405,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.142037900919405,"endHours":8.142037900919405,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.142037900919405,"endHours":9.142037900919405,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.142037900919405,"endHours":10.142037900919405,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.142037900919405,"endHours":11.142037900919405,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.142037900919405,"endHours":12.142037900919405,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.142037900919405,"endHours":13.142037900919405,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.142037900919405,"endHours":14.142037900919405,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.142037900919405,"endHours":15.142037900919405,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.142037900919405,"endHours":16.142037900919405,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.142037900919405,"endHours":17.142037900919405,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.142037900919405,"endHours":18.142037900919405,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.142037900919405,"endHours":19.142037900919405,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.142037900919405,"endHours":20.142037900919405,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.142037900919405,"endHours":21.142037900919405,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.142037900919405,"endHours":22.142037900919405,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.142037900919405,"endHours":23.142037900919405,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.142037900919405,"endHours":24.142037900919405,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.142037900919405,"endHours":25.142037900919405,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.142037900919405,"endHours":26.142037900919405,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.142037900919405,"endHours":27.142037900919405,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.142037900919405,"endHours":28.142037900919405,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.142037900919405,"endHours":29.142037900919405,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.142037900919405,"endHours":30.142037900919405,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.498246778273966,"eotMinutes":3.6891821904695723,"ayanamsa":23.6487}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturdaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 May 18, 1985 CE · Jamnagar, Gujarat · Vidhyamitra","description":"May 18, 1985 CE for Jamnagar, Gujarat: Kṛṣṇa Caturdaśī, sūryodaya 06:09, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1985-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1985-05-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/1985-05-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/1985-05-18","x-default":"https://vidhyamitra.com/city/jamnagar/1985-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:48:54.028Z","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":"2026-05-31T11:48:54.028Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:48:54.028Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}