{"id":"vidhyamitra:city-day:dwarka:1998-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1998-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-04-13","date_display":"April 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":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450916.770833,"kali_year":5099,"ahargana":1862451.2708,"sun":{"sidereal_longitude":359.2328,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":193.1467,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9139,"elapsed_within_tithi_degrees":1.9139},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.1467,"elapsed_within_degrees":6.48},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.3794},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450916.770833,"ahargana":1862451.2708,"kali_year":5099,"ayanamsa_lahiri":23.829,"grahas":{"sun":{"sidereal_longitude":359.091513,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":191.15211299999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":3.6749},"mars":{"sidereal_longitude":6.217812999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":348.371813,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":322.00951299999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":313.365813,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":359.449813,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":138.3689,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.3689,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1998,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450916.770833,"kali_year":5099,"ahargana":1862451.2708,"sun":{"sidereal_longitude":359.2328,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":193.1467,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":193.9139,"elapsed_within_tithi_degrees":1.9139},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.1467,"elapsed_within_degrees":6.48},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.3794},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.675,"elongation":166.086},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.675,"opposition_distance":13.914}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:37","sunsetLocal":"19:13","solarNoonLocal":"12:55","dayLengthHours":12.6118775827916,"dayLengthDisplay":"12 Hours 36 Mins 43 Secs","nightLengthDisplay":"11 Hours 23 Mins 17 Secs","moonriseLocal":"20:03","moonsetLocal":"07:24","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:46","startHours":8.185469420281555,"endHours":9.761954118130504,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:20","end":"12:55","startHours":11.338438815979455,"endHours":12.914923513828406,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:29","end":"16:04","startHours":14.491408211677355,"endHours":16.067892909526304,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:58","startHours":9.551756158417312,"endHours":9.972152077843699,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:28","startHours":7.134479621715588,"endHours":7.470796357256697,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:20","startHours":12.494527594402019,"endHours":13.335319433254792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:46","startHours":4.927401044727058,"endHours":5.7681928835798315,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:37","startHours":5.557994923866638,"endHours":6.608984722432605,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:01","end":"15:51","startHours":15.016903110960339,"endHours":15.857694949813112,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.020862305224206,"endHours":19.420862305224205,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:45","startHours":19.220862305224205,"endHours":19.746357204507188,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.970862305224205,"endHours":20.720862305224205,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:20","startHours":24.49452759440202,"endHours":25.335319433254792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:37","end":"08:11","startHours":6.608984722432605,"endHours":8.185469420281555,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:46","startHours":8.185469420281555,"endHours":9.761954118130504,"quality":"inauspicious"},{"name":"Śubha","start":"09:46","end":"11:20","startHours":9.761954118130504,"endHours":11.338438815979455,"quality":"auspicious"},{"name":"Roga","start":"11:20","end":"12:55","startHours":11.338438815979455,"endHours":12.914923513828406,"quality":"inauspicious"},{"name":"Udveg","start":"12:55","end":"14:29","startHours":12.914923513828406,"endHours":14.491408211677355,"quality":"inauspicious"},{"name":"Chala","start":"14:29","end":"16:04","startHours":14.491408211677355,"endHours":16.067892909526304,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:39","startHours":16.067892909526304,"endHours":17.644377607375255,"quality":"auspicious"},{"name":"Amṛta","start":"17:39","end":"19:13","startHours":17.644377607375255,"endHours":19.220862305224205,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:13","end":"20:39","startHours":19.220862305224205,"endHours":20.644377607375255,"quality":"neutral"},{"name":"Labha","start":"20:39","end":"22:04","startHours":20.644377607375255,"endHours":22.067892909526307,"quality":"auspicious"},{"name":"Amṛta","start":"22:04","end":"23:29","startHours":22.067892909526307,"endHours":23.491408211677356,"quality":"auspicious"},{"name":"Kāla","start":"23:29","end":"00:55","startHours":23.491408211677356,"endHours":24.914923513828406,"quality":"inauspicious"},{"name":"Śubha","start":"00:55","end":"02:20","startHours":24.914923513828406,"endHours":26.338438815979455,"quality":"auspicious"},{"name":"Roga","start":"02:20","end":"03:46","startHours":26.338438815979455,"endHours":27.761954118130504,"quality":"inauspicious"},{"name":"Udveg","start":"03:46","end":"05:11","startHours":27.761954118130504,"endHours":29.185469420281557,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:37","startHours":29.185469420281557,"endHours":30.608984722432606,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.608984722432605,"endHours":7.608984722432605,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.608984722432605,"endHours":8.608984722432606,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.608984722432606,"endHours":9.608984722432606,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.608984722432606,"endHours":10.608984722432606,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.608984722432606,"endHours":11.608984722432606,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.608984722432606,"endHours":12.608984722432606,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.608984722432606,"endHours":13.608984722432606,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.608984722432606,"endHours":14.608984722432606,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.608984722432606,"endHours":15.608984722432606,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.608984722432606,"endHours":16.608984722432606,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.608984722432606,"endHours":17.608984722432606,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.608984722432606,"endHours":18.608984722432606,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.608984722432606,"endHours":19.608984722432606,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.608984722432606,"endHours":20.608984722432606,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.608984722432606,"endHours":21.608984722432606,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.608984722432606,"endHours":22.608984722432606,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.608984722432606,"endHours":23.608984722432606,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.608984722432606,"endHours":24.608984722432606,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.608984722432606,"endHours":25.608984722432606,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.608984722432606,"endHours":26.608984722432606,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.608984722432606,"endHours":27.608984722432606,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.608984722432606,"endHours":28.608984722432606,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.608984722432606,"endHours":29.608984722432606,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.608984722432606,"endHours":30.608984722432606,"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.910903228062644,"eotMinutes":-0.7698108297043191,"ayanamsa":23.829}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvitīyā · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"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":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 13, 1998 CE · Dvārakā · Vidhyamitra","description":"April 13, 1998 CE for Dvārakā: Kṛṣṇa Dvitīyā, sūryodaya 06:37, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1998-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1998-04-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1998-04-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1998-04-13","x-default":"https://vidhyamitra.com/city/dwarka/1998-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:16:40.438Z","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":"2026-06-01T00:16:40.438Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:16:40.438Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}