{"id":"vidhyamitra:city-day:jamnagar:1998-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1998-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-07-13","date_display":"July 13, 1998 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":1998,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451007.770833,"kali_year":5100,"ahargana":1862542.2708,"sun":{"sidereal_longitude":86.2264,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":308.3446,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.1182,"elapsed_within_tithi_degrees":6.1182},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.3446,"elapsed_within_degrees":1.678},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.571},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":1998,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451007.770833,"ahargana":1862542.2708,"kali_year":5100,"ayanamsa_lahiri":23.8325,"grahas":{"sun":{"sidereal_longitude":86.63773600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":309.301736,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":0.4076},"mars":{"sidereal_longitude":70.71223600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":113.00863600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":334.17973600000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":58.26423599999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":8.792636000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":133.5473,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":313.5473,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451007.770833,"kali_year":5100,"ahargana":1862542.2708,"sun":{"sidereal_longitude":86.2264,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":308.3446,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":222.1182,"elapsed_within_tithi_degrees":6.1182},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":308.3446,"elapsed_within_degrees":1.678},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.571},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.408,"elongation":137.882},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.408,"opposition_distance":42.118}},"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":"06:13","sunsetLocal":"19:37","solarNoonLocal":"12:55","dayLengthHours":13.406201444009028,"dayLengthDisplay":"13 Hours 24 Mins 22 Secs","nightLengthDisplay":"10 Hours 35 Mins 38 Secs","moonriseLocal":"22:01","moonsetLocal":"09:31","rahuKala":{"name":"Rāhu Kāla","start":"07:53","end":"09:34","startHours":7.891518272599293,"endHours":9.567293453100422,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:15","end":"12:55","startHours":11.243068633601549,"endHours":12.91884381410268,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:36","end":"16:16","startHours":14.594618994603806,"endHours":16.270394175104936,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:47","startHours":9.343856762366938,"endHours":9.790730143833905,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:08","startHours":6.774334818931874,"endHours":7.131833524105448,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:22","startHours":12.471970432635711,"endHours":13.365717195569648,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:19","startHours":4.428249566230294,"endHours":5.32199632916423,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:13","startHours":5.0985596384307454,"endHours":6.2157430920981644,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:09","end":"16:03","startHours":15.153210721437517,"endHours":16.046957484371454,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:25","end":"19:49","startHours":19.421944536107194,"endHours":19.821944536107193,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:37","end":"20:11","startHours":19.621944536107193,"endHours":20.180536262940905,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:22","end":"21:07","startHours":19.371944536107193,"endHours":21.121944536107193,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:22","startHours":24.47197043263571,"endHours":25.365717195569648,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:13","end":"07:53","startHours":6.2157430920981644,"endHours":7.891518272599293,"quality":"auspicious"},{"name":"Kāla","start":"07:53","end":"09:34","startHours":7.891518272599293,"endHours":9.567293453100422,"quality":"inauspicious"},{"name":"Śubha","start":"09:34","end":"11:15","startHours":9.567293453100422,"endHours":11.243068633601549,"quality":"auspicious"},{"name":"Roga","start":"11:15","end":"12:55","startHours":11.243068633601549,"endHours":12.91884381410268,"quality":"inauspicious"},{"name":"Udveg","start":"12:55","end":"14:36","startHours":12.91884381410268,"endHours":14.594618994603806,"quality":"inauspicious"},{"name":"Chala","start":"14:36","end":"16:16","startHours":14.594618994603806,"endHours":16.270394175104936,"quality":"neutral"},{"name":"Labha","start":"16:16","end":"17:57","startHours":16.270394175104936,"endHours":17.946169355606063,"quality":"auspicious"},{"name":"Amṛta","start":"17:57","end":"19:37","startHours":17.946169355606063,"endHours":19.621944536107193,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:37","end":"20:57","startHours":19.621944536107193,"endHours":20.946169355606067,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:16","startHours":20.946169355606067,"endHours":22.270394175104936,"quality":"auspicious"},{"name":"Amṛta","start":"22:16","end":"23:36","startHours":22.270394175104936,"endHours":23.594618994603806,"quality":"auspicious"},{"name":"Kāla","start":"23:36","end":"00:55","startHours":23.594618994603806,"endHours":24.91884381410268,"quality":"inauspicious"},{"name":"Śubha","start":"00:55","end":"02:15","startHours":24.91884381410268,"endHours":26.243068633601553,"quality":"auspicious"},{"name":"Roga","start":"02:15","end":"03:34","startHours":26.243068633601553,"endHours":27.567293453100422,"quality":"inauspicious"},{"name":"Udveg","start":"03:34","end":"04:53","startHours":27.567293453100422,"endHours":28.891518272599292,"quality":"inauspicious"},{"name":"Chala","start":"04:53","end":"06:13","startHours":28.891518272599292,"endHours":30.215743092098165,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.2157430920981644,"endHours":7.2157430920981644,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.2157430920981644,"endHours":8.215743092098165,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.215743092098165,"endHours":9.215743092098165,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.215743092098165,"endHours":10.215743092098165,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.215743092098165,"endHours":11.215743092098165,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.215743092098165,"endHours":12.215743092098165,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.215743092098165,"endHours":13.215743092098165,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.215743092098165,"endHours":14.215743092098165,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.215743092098165,"endHours":15.215743092098165,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.215743092098165,"endHours":16.215743092098165,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.215743092098165,"endHours":17.215743092098165,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.215743092098165,"endHours":18.215743092098165,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.215743092098165,"endHours":19.215743092098165,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.215743092098165,"endHours":20.215743092098165,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.215743092098165,"endHours":21.215743092098165,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.215743092098165,"endHours":22.215743092098165,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.215743092098165,"endHours":23.215743092098165,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.215743092098165,"endHours":24.215743092098165,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.215743092098165,"endHours":25.215743092098165,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.215743092098165,"endHours":26.215743092098165,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.215743092098165,"endHours":27.215743092098165,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.215743092098165,"endHours":28.215743092098165,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.215743092098165,"endHours":29.215743092098165,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.215743092098165,"endHours":30.215743092098165,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.8771202375558,"eotMinutes":-5.361428846160681,"ayanamsa":23.8325}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Caturthī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 July 13, 1998 CE · Jamnagar, Gujarat · Vidhyamitra","description":"July 13, 1998 CE for Jamnagar, Gujarat: Kṛṣṇa Caturthī, sūryodaya 06:13, sūryāsta 19:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1998-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1998-07-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/1998-07-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/1998-07-13","x-default":"https://vidhyamitra.com/city/jamnagar/1998-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T17:31:50.587Z","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":"2026-05-24T17:31:50.587Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T17:31:50.587Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}