{"id":"vidhyamitra:city-day:jamnagar:1963-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1963-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-05-13","date_display":"May 13, 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":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438162.770833,"kali_year":5065,"ahargana":1849697.2708,"sun":{"sidereal_longitude":28.3203,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":259.5577,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":231.2375,"elapsed_within_tithi_degrees":3.2375},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.5577,"elapsed_within_degrees":6.2244},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.878},"karana":{"half_tithi_index":38,"name":"Kaulava"},"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":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438162.770833,"ahargana":1849697.2708,"kali_year":5065,"ayanamsa_lahiri":23.3412,"grahas":{"sun":{"sidereal_longitude":28.238409999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":256.33620999999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":1.1317},"mars":{"sidereal_longitude":117.25801000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":36.53620999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":346.17791,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":359.95171,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":300.07941000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":94.1372,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.1372,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438162.770833,"kali_year":5065,"ahargana":1849697.2708,"sun":{"sidereal_longitude":28.3203,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":259.5577,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":231.2375,"elapsed_within_tithi_degrees":3.2375},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.5577,"elapsed_within_degrees":6.2244},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.878},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.132,"elongation":128.763},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.132,"opposition_distance":51.237}},"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":"06:11","sunsetLocal":"19:21","solarNoonLocal":"12:46","dayLengthHours":13.167243739551022,"dayLengthDisplay":"13 Hours 10 Mins 02 Secs","nightLengthDisplay":"10 Hours 49 Mins 58 Secs","moonriseLocal":"22:36","moonsetLocal":"09:21","rahuKala":{"name":"Rāhu Kāla","start":"07:50","end":"09:29","startHours":7.829212951942425,"endHours":9.475118419386304,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:46","startHours":11.12102388683018,"endHours":12.766929354274058,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:25","end":"16:04","startHours":14.412834821717937,"endHours":16.058740289161815,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:42","startHours":9.255664357060454,"endHours":9.694572481712154,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:05","startHours":6.731942640313174,"endHours":7.083069140034535,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:12","startHours":12.32802122962236,"endHours":13.20583747892576,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:18","startHours":4.427674985891745,"endHours":5.305491235195147,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:11","startHours":5.086037172869296,"endHours":6.183307484498548,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:58","end":"15:50","startHours":14.961469977532563,"endHours":15.839286226835965,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.150551224049572,"endHours":19.55055122404957,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:54","startHours":19.35055122404957,"endHours":19.899186379864197,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.10055122404957,"endHours":20.85055122404957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:12","startHours":24.32802122962236,"endHours":25.205837478925762,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:11","end":"07:50","startHours":6.183307484498548,"endHours":7.829212951942425,"quality":"auspicious"},{"name":"Kāla","start":"07:50","end":"09:29","startHours":7.829212951942425,"endHours":9.475118419386304,"quality":"inauspicious"},{"name":"Śubha","start":"09:29","end":"11:07","startHours":9.475118419386304,"endHours":11.12102388683018,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:46","startHours":11.12102388683018,"endHours":12.766929354274058,"quality":"inauspicious"},{"name":"Udveg","start":"12:46","end":"14:25","startHours":12.766929354274058,"endHours":14.412834821717937,"quality":"inauspicious"},{"name":"Chala","start":"14:25","end":"16:04","startHours":14.412834821717937,"endHours":16.058740289161815,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:42","startHours":16.058740289161815,"endHours":17.704645756605693,"quality":"auspicious"},{"name":"Amṛta","start":"17:42","end":"19:21","startHours":17.704645756605693,"endHours":19.35055122404957,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:21","end":"20:42","startHours":19.35055122404957,"endHours":20.704645756605693,"quality":"neutral"},{"name":"Labha","start":"20:42","end":"22:04","startHours":20.704645756605693,"endHours":22.058740289161815,"quality":"auspicious"},{"name":"Amṛta","start":"22:04","end":"23:25","startHours":22.058740289161815,"endHours":23.412834821717937,"quality":"auspicious"},{"name":"Kāla","start":"23:25","end":"00:46","startHours":23.412834821717937,"endHours":24.766929354274062,"quality":"inauspicious"},{"name":"Śubha","start":"00:46","end":"02:07","startHours":24.766929354274062,"endHours":26.12102388683018,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:29","startHours":26.12102388683018,"endHours":27.475118419386305,"quality":"inauspicious"},{"name":"Udveg","start":"03:29","end":"04:50","startHours":27.475118419386305,"endHours":28.829212951942427,"quality":"inauspicious"},{"name":"Chala","start":"04:50","end":"06:11","startHours":28.829212951942427,"endHours":30.18330748449855,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.183307484498548,"endHours":7.183307484498548,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.183307484498548,"endHours":8.183307484498549,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.183307484498549,"endHours":9.183307484498549,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.183307484498549,"endHours":10.183307484498549,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.183307484498549,"endHours":11.183307484498549,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.183307484498549,"endHours":12.183307484498549,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.183307484498549,"endHours":13.183307484498549,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.183307484498549,"endHours":14.183307484498549,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.183307484498549,"endHours":15.183307484498549,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.183307484498549,"endHours":16.18330748449855,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.18330748449855,"endHours":17.18330748449855,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.18330748449855,"endHours":18.18330748449855,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.18330748449855,"endHours":19.18330748449855,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.18330748449855,"endHours":20.18330748449855,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.18330748449855,"endHours":21.18330748449855,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.18330748449855,"endHours":22.18330748449855,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.18330748449855,"endHours":23.18330748449855,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.18330748449855,"endHours":24.18330748449855,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.18330748449855,"endHours":25.18330748449855,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.18330748449855,"endHours":26.18330748449855,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.18330748449855,"endHours":27.18330748449855,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.18330748449855,"endHours":28.18330748449855,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.18330748449855,"endHours":29.18330748449855,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.18330748449855,"endHours":30.18330748449855,"planetary_lord":"Venus"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.156427450307806,"eotMinutes":3.7534387435564067,"ayanamsa":23.3412}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Pañcamī · 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":[]},"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 13, 1963 CE · Jamnagar, Gujarat · Vidhyamitra","description":"May 13, 1963 CE for Jamnagar, Gujarat: Kṛṣṇa Pañcamī, sūryodaya 06:11, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1963-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1963-05-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/1963-05-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/1963-05-13","x-default":"https://vidhyamitra.com/city/jamnagar/1963-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:52:17.675Z","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":"2026-05-31T15:52:17.675Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:52:17.675Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}