{"id":"vidhyamitra:city-day:jamnagar:1958-07-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1958-07-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-07-20","date_display":"July 20, 1958 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":1958,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436404.770833,"kali_year":5060,"ahargana":1847939.2708,"sun":{"sidereal_longitude":93.19,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":134.5606,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.3706,"elapsed_within_tithi_degrees":5.3706},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5606,"elapsed_within_degrees":1.2273},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.7507},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1958,"month":7,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436404.770833,"ahargana":1847939.2708,"kali_year":5060,"ayanamsa_lahiri":23.2739,"grahas":{"sun":{"sidereal_longitude":93.55357800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":136.39247799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-3.5794},"mars":{"sidereal_longitude":6.4907779999999775,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":120.233878,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":180.30487800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":64.69377800000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":237.27077800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":187.2845,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":7.2845,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1958,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436404.770833,"kali_year":5060,"ahargana":1847939.2708,"sun":{"sidereal_longitude":93.19,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":134.5606,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.3706,"elapsed_within_tithi_degrees":5.3706},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5606,"elapsed_within_degrees":1.2273},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.7507},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.579,"elongation":41.371},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.579,"opposition_distance":138.629}},"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":"06:16","sunsetLocal":"19:36","solarNoonLocal":"12:56","dayLengthHours":13.334923332081356,"dayLengthDisplay":"13 Hours 20 Mins 06 Secs","nightLengthDisplay":"10 Hours 39 Mins 54 Secs","moonriseLocal":"09:31","moonsetLocal":"22:03","rahuKala":{"name":"Rāhu Kāla","start":"17:56","end":"19:36","startHours":17.929986603116465,"endHours":19.596852019626635,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:56","end":"14:36","startHours":12.929390353585955,"endHours":14.596255770096125,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:16","end":"17:56","startHours":16.263121186606295,"endHours":17.929986603116465,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:49","startHours":9.373410798364262,"endHours":9.817908242766972,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:10","startHours":6.8175504930486674,"endHours":7.173148448570837,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:22","startHours":12.484892909183245,"endHours":13.373887797988669,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:29","end":"05:22","startHours":4.48393890993443,"endHours":5.372933798739854,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:16","startHours":5.1506850765384975,"endHours":6.261928687545278,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:09","end":"16:02","startHours":15.151877575599517,"endHours":16.04087246440494,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:24","end":"19:48","startHours":19.396852019626635,"endHours":19.796852019626634,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:36","end":"20:09","startHours":19.596852019626635,"endHours":20.152473825130023,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:21","end":"21:06","startHours":19.346852019626635,"endHours":21.096852019626635,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:22","startHours":24.484892909183248,"endHours":25.37388779798867,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:16","end":"07:56","startHours":6.261928687545278,"endHours":7.928794104055447,"quality":"inauspicious"},{"name":"Chala","start":"07:56","end":"09:36","startHours":7.928794104055447,"endHours":9.595659520565617,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"11:16","startHours":9.595659520565617,"endHours":11.262524937075785,"quality":"auspicious"},{"name":"Amṛta","start":"11:16","end":"12:56","startHours":11.262524937075785,"endHours":12.929390353585955,"quality":"auspicious"},{"name":"Kāla","start":"12:56","end":"14:36","startHours":12.929390353585955,"endHours":14.596255770096125,"quality":"inauspicious"},{"name":"Śubha","start":"14:36","end":"16:16","startHours":14.596255770096125,"endHours":16.263121186606295,"quality":"auspicious"},{"name":"Roga","start":"16:16","end":"17:56","startHours":16.263121186606295,"endHours":17.929986603116465,"quality":"inauspicious"},{"name":"Udveg","start":"17:56","end":"19:36","startHours":17.929986603116465,"endHours":19.596852019626635,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:36","end":"20:56","startHours":19.596852019626635,"endHours":20.929986603116465,"quality":"auspicious"},{"name":"Roga","start":"20:56","end":"22:16","startHours":20.929986603116465,"endHours":22.263121186606295,"quality":"inauspicious"},{"name":"Udveg","start":"22:16","end":"23:36","startHours":22.263121186606295,"endHours":23.596255770096125,"quality":"inauspicious"},{"name":"Chala","start":"23:36","end":"00:56","startHours":23.596255770096125,"endHours":24.92939035358596,"quality":"neutral"},{"name":"Labha","start":"00:56","end":"02:16","startHours":24.92939035358596,"endHours":26.26252493707579,"quality":"auspicious"},{"name":"Amṛta","start":"02:16","end":"03:36","startHours":26.26252493707579,"endHours":27.59565952056562,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"04:56","startHours":27.59565952056562,"endHours":28.92879410405545,"quality":"inauspicious"},{"name":"Śubha","start":"04:56","end":"06:16","startHours":28.92879410405545,"endHours":30.26192868754528,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.261928687545278,"endHours":7.261928687545278,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.261928687545278,"endHours":8.261928687545279,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.261928687545279,"endHours":9.261928687545279,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.261928687545279,"endHours":10.261928687545279,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.261928687545279,"endHours":11.261928687545279,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.261928687545279,"endHours":12.261928687545279,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.261928687545279,"endHours":13.261928687545279,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.261928687545279,"endHours":14.261928687545279,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.261928687545279,"endHours":15.261928687545279,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.261928687545279,"endHours":16.26192868754528,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.26192868754528,"endHours":17.26192868754528,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.26192868754528,"endHours":18.26192868754528,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.26192868754528,"endHours":19.26192868754528,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.26192868754528,"endHours":20.26192868754528,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.26192868754528,"endHours":21.26192868754528,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.26192868754528,"endHours":22.26192868754528,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.26192868754528,"endHours":23.26192868754528,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.26192868754528,"endHours":24.26192868754528,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.26192868754528,"endHours":25.26192868754528,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.26192868754528,"endHours":26.26192868754528,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.26192868754528,"endHours":27.26192868754528,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.26192868754528,"endHours":28.26192868754528,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.26192868754528,"endHours":29.26192868754528,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.26192868754528,"endHours":30.26192868754528,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.788805639693678,"eotMinutes":-5.99422121515736,"ayanamsa":23.2739}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa (Adhika) Śukla Caturthī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's 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 July 20, 1958 CE · Jamnagar, Gujarat · Vidhyamitra","description":"July 20, 1958 CE for Jamnagar, Gujarat: Śukla Caturthī, sūryodaya 06:16, sūryāsta 19:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1958-07-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1958-07-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/1958-07-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/1958-07-20","x-default":"https://vidhyamitra.com/city/jamnagar/1958-07-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:20:44.317Z","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":"2026-06-03T01:20:44.317Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:20:44.317Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}