{"id":"vidhyamitra:city-day:jamnagar:1985-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1985-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-02-18","date_display":"February 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":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446114.770833,"kali_year":5086,"ahargana":1857649.2708,"sun":{"sidereal_longitude":305.8369,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":286.3726,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.5357,"elapsed_within_tithi_degrees":4.5357},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3726,"elapsed_within_degrees":6.3726},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.2095},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":1985,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446114.770833,"ahargana":1857649.2708,"kali_year":5086,"ayanamsa_lahiri":23.6453,"grahas":{"sun":{"sidereal_longitude":305.6877850000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":285.540985,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":-4.3159},"mars":{"sidereal_longitude":348.021385,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":304.85138499999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":279.83728500000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":349.515085,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":213.85178500000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":32.802,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.802,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446114.770833,"kali_year":5086,"ahargana":1857649.2708,"sun":{"sidereal_longitude":305.8369,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":286.3726,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.5357,"elapsed_within_tithi_degrees":4.5357},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":286.3726,"elapsed_within_degrees":6.3726},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.2095},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.316,"elongation":19.464},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.316,"opposition_distance":160.536}},"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":"07:20","sunsetLocal":"18:48","solarNoonLocal":"13:04","dayLengthHours":11.467698654822211,"dayLengthDisplay":"11 Hours 28 Mins 04 Secs","nightLengthDisplay":"12 Hours 31 Mins 56 Secs","moonriseLocal":"06:12","moonsetLocal":"17:15","rahuKala":{"name":"Rāhu Kāla","start":"08:46","end":"10:12","startHours":8.769680941315007,"endHours":10.203143273167784,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:38","end":"13:04","startHours":11.63660560502056,"endHours":13.070067936873336,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:30","end":"15:56","startHours":14.503530268726113,"endHours":15.93699260057889,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:01","end":"10:24","startHours":10.012014962254081,"endHours":10.394271584081487,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:07","startHours":7.81403938674649,"endHours":8.119844684208417,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:27","startHours":12.68781131504593,"endHours":13.452324558700745,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:34","startHours":5.807192122152603,"endHours":6.571705365807418,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:20","startHours":6.380577054893714,"endHours":7.3362186094622315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:45","startHours":14.981351046010372,"endHours":15.745864289665187,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.603917264284444,"endHours":19.003917264284443,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:17","startHours":18.803917264284443,"endHours":19.2817380415687,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.553917264284443,"endHours":20.303917264284443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:27","startHours":24.68781131504593,"endHours":25.45232455870074,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:20","end":"08:46","startHours":7.3362186094622315,"endHours":8.769680941315007,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:12","startHours":8.769680941315007,"endHours":10.203143273167784,"quality":"inauspicious"},{"name":"Śubha","start":"10:12","end":"11:38","startHours":10.203143273167784,"endHours":11.63660560502056,"quality":"auspicious"},{"name":"Roga","start":"11:38","end":"13:04","startHours":11.63660560502056,"endHours":13.070067936873336,"quality":"inauspicious"},{"name":"Udveg","start":"13:04","end":"14:30","startHours":13.070067936873336,"endHours":14.503530268726113,"quality":"inauspicious"},{"name":"Chala","start":"14:30","end":"15:56","startHours":14.503530268726113,"endHours":15.93699260057889,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:22","startHours":15.93699260057889,"endHours":17.370454932431667,"quality":"auspicious"},{"name":"Amṛta","start":"17:22","end":"18:48","startHours":17.370454932431667,"endHours":18.803917264284443,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:48","end":"20:22","startHours":18.803917264284443,"endHours":20.370454932431667,"quality":"neutral"},{"name":"Labha","start":"20:22","end":"21:56","startHours":20.370454932431667,"endHours":21.93699260057889,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:30","startHours":21.93699260057889,"endHours":23.503530268726117,"quality":"auspicious"},{"name":"Kāla","start":"23:30","end":"01:04","startHours":23.503530268726117,"endHours":25.070067936873336,"quality":"inauspicious"},{"name":"Śubha","start":"01:04","end":"02:38","startHours":25.070067936873336,"endHours":26.636605605020563,"quality":"auspicious"},{"name":"Roga","start":"02:38","end":"04:12","startHours":26.636605605020563,"endHours":28.203143273167786,"quality":"inauspicious"},{"name":"Udveg","start":"04:12","end":"05:46","startHours":28.203143273167786,"endHours":29.76968094131501,"quality":"inauspicious"},{"name":"Chala","start":"05:46","end":"07:20","startHours":29.76968094131501,"endHours":31.336218609462232,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:20","end":"08:20","startHours":7.3362186094622315,"endHours":8.336218609462232,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:20","end":"09:20","startHours":8.336218609462232,"endHours":9.336218609462232,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:20","end":"10:20","startHours":9.336218609462232,"endHours":10.336218609462232,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:20","end":"11:20","startHours":10.336218609462232,"endHours":11.336218609462232,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:20","end":"12:20","startHours":11.336218609462232,"endHours":12.336218609462232,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:20","end":"13:20","startHours":12.336218609462232,"endHours":13.336218609462232,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:20","end":"14:20","startHours":13.336218609462232,"endHours":14.336218609462232,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:20","end":"15:20","startHours":14.336218609462232,"endHours":15.336218609462232,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:20","end":"16:20","startHours":15.336218609462232,"endHours":16.336218609462232,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:20","end":"17:20","startHours":16.336218609462232,"endHours":17.336218609462232,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:20","end":"18:20","startHours":17.336218609462232,"endHours":18.336218609462232,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:20","end":"19:20","startHours":18.336218609462232,"endHours":19.336218609462232,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:20","end":"20:20","startHours":19.336218609462232,"endHours":20.336218609462232,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:20","end":"21:20","startHours":20.336218609462232,"endHours":21.336218609462232,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:20","end":"22:20","startHours":21.336218609462232,"endHours":22.336218609462232,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:20","end":"23:20","startHours":22.336218609462232,"endHours":23.336218609462232,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:20","end":"00:20","startHours":23.336218609462232,"endHours":24.336218609462232,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:20","end":"01:20","startHours":24.336218609462232,"endHours":25.336218609462232,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:20","end":"02:20","startHours":25.336218609462232,"endHours":26.336218609462232,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:20","end":"03:20","startHours":26.336218609462232,"endHours":27.336218609462232,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:20","end":"04:20","startHours":27.336218609462232,"endHours":28.336218609462232,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:20","end":"05:20","startHours":28.336218609462232,"endHours":29.336218609462232,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:20","end":"06:20","startHours":29.336218609462232,"endHours":30.336218609462232,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:20","end":"07:20","startHours":30.336218609462232,"endHours":31.336218609462232,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.704369786239402,"eotMinutes":-14.434876212400278,"ayanamsa":23.6453}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"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 Caturdaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"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":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated walk."},"cosmic_resonances":[]},"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, 1985 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 18, 1985 CE for Jamnagar, Gujarat: Kṛṣṇa Caturdaśī, sūryodaya 07:20, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1985-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1985-02-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/1985-02-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/1985-02-18","x-default":"https://vidhyamitra.com/city/jamnagar/1985-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:06:11.855Z","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":"2026-06-01T03:06:11.855Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:06:11.855Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}