{"id":"vidhyamitra:city-day:jamnagar:2018-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2018-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-05-21","date_display":"May 21, 2018 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":2018,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458259.770833,"kali_year":5120,"ahargana":1869794.2708,"sun":{"sidereal_longitude":35.7592,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":108.7524,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.9932,"elapsed_within_tithi_degrees":0.9932},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.7524,"elapsed_within_degrees":2.0857},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.5116},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2018,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458259.770833,"ahargana":1869794.2708,"kali_year":5120,"ayanamsa_lahiri":24.1098,"grahas":{"sun":{"sidereal_longitude":35.85505699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":111.304757,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":-0.0431},"mars":{"sidereal_longitude":277.46535700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":17.979957000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":202.581957,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":67.43025699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":254.06935700000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":109.3015,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.3015,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458259.770833,"kali_year":5120,"ahargana":1869794.2708,"sun":{"sidereal_longitude":35.7592,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":108.7524,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.9932,"elapsed_within_tithi_degrees":0.9932},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.7524,"elapsed_within_degrees":2.0857},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":144.5116},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.043,"elongation":72.993},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.043,"opposition_distance":107.007}},"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":"06:07","sunsetLocal":"19:25","solarNoonLocal":"12:46","dayLengthHours":13.293034270016241,"dayLengthDisplay":"13 Hours 17 Mins 35 Secs","nightLengthDisplay":"10 Hours 42 Mins 25 Secs","moonriseLocal":"11:18","moonsetLocal":"00:18","rahuKala":{"name":"Rāhu Kāla","start":"07:47","end":"09:27","startHours":7.785608519035944,"endHours":9.447237802787974,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:46","startHours":11.108867086540004,"endHours":12.770496370292033,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:26","end":"16:06","startHours":14.432125654044064,"endHours":16.093754937796092,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:40","startHours":9.225687231621036,"endHours":9.66878837395491,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"07:02","startHours":6.677855663201257,"endHours":7.032336577068357,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:13","startHours":12.327395227958158,"endHours":13.213597512625908,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:21","end":"05:14","startHours":4.351574665948415,"endHours":5.237776950616164,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:07","startHours":5.016226379449227,"endHours":6.1239792352839135,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:52","startHours":14.986002081961407,"endHours":15.872204366629157,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.217013505300155,"endHours":19.617013505300154,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"19:58","startHours":19.417013505300154,"endHours":19.9708899332175,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.167013505300154,"endHours":20.917013505300154,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:13","startHours":24.32739522795816,"endHours":25.213597512625906,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:07","end":"07:47","startHours":6.1239792352839135,"endHours":7.785608519035944,"quality":"auspicious"},{"name":"Kāla","start":"07:47","end":"09:27","startHours":7.785608519035944,"endHours":9.447237802787974,"quality":"inauspicious"},{"name":"Śubha","start":"09:27","end":"11:07","startHours":9.447237802787974,"endHours":11.108867086540004,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:46","startHours":11.108867086540004,"endHours":12.770496370292033,"quality":"inauspicious"},{"name":"Udveg","start":"12:46","end":"14:26","startHours":12.770496370292033,"endHours":14.432125654044064,"quality":"inauspicious"},{"name":"Chala","start":"14:26","end":"16:06","startHours":14.432125654044064,"endHours":16.093754937796092,"quality":"neutral"},{"name":"Labha","start":"16:06","end":"17:45","startHours":16.093754937796092,"endHours":17.755384221548127,"quality":"auspicious"},{"name":"Amṛta","start":"17:45","end":"19:25","startHours":17.755384221548127,"endHours":19.417013505300154,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:25","end":"20:45","startHours":19.417013505300154,"endHours":20.755384221548123,"quality":"neutral"},{"name":"Labha","start":"20:45","end":"22:06","startHours":20.755384221548123,"endHours":22.093754937796096,"quality":"auspicious"},{"name":"Amṛta","start":"22:06","end":"23:26","startHours":22.093754937796096,"endHours":23.432125654044064,"quality":"auspicious"},{"name":"Kāla","start":"23:26","end":"00:46","startHours":23.432125654044064,"endHours":24.770496370292033,"quality":"inauspicious"},{"name":"Śubha","start":"00:46","end":"02:07","startHours":24.770496370292033,"endHours":26.108867086540002,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:27","startHours":26.108867086540002,"endHours":27.447237802787974,"quality":"inauspicious"},{"name":"Udveg","start":"03:27","end":"04:47","startHours":27.447237802787974,"endHours":28.785608519035943,"quality":"inauspicious"},{"name":"Chala","start":"04:47","end":"06:07","startHours":28.785608519035943,"endHours":30.12397923528391,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.1239792352839135,"endHours":7.1239792352839135,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.1239792352839135,"endHours":8.123979235283914,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.123979235283914,"endHours":9.123979235283914,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.123979235283914,"endHours":10.123979235283914,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.123979235283914,"endHours":11.123979235283914,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.123979235283914,"endHours":12.123979235283914,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.123979235283914,"endHours":13.123979235283914,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.123979235283914,"endHours":14.123979235283914,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.123979235283914,"endHours":15.123979235283914,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.123979235283914,"endHours":16.12397923528391,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.12397923528391,"endHours":17.12397923528391,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.12397923528391,"endHours":18.12397923528391,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.12397923528391,"endHours":19.12397923528391,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.12397923528391,"endHours":20.12397923528391,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.12397923528391,"endHours":21.12397923528391,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.12397923528391,"endHours":22.12397923528391,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.12397923528391,"endHours":23.12397923528391,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.12397923528391,"endHours":24.12397923528391,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.12397923528391,"endHours":25.12397923528391,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.12397923528391,"endHours":26.12397923528391,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.12397923528391,"endHours":27.12397923528391,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.12397923528391,"endHours":28.12397923528391,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.12397923528391,"endHours":29.12397923528391,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.12397923528391,"endHours":30.12397923528391,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.14055848923254,"eotMinutes":3.539417782478063,"ayanamsa":24.1098}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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 21, 2018 CE · Jamnagar, Gujarat · Vidhyamitra","description":"May 21, 2018 CE for Jamnagar, Gujarat: Śukla Saptamī, sūryodaya 06:07, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2018-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2018-05-21","sa":"https://sa.vidhyamitra.com/city/jamnagar/2018-05-21","hi":"https://hi.vidhyamitra.com/city/jamnagar/2018-05-21","x-default":"https://vidhyamitra.com/city/jamnagar/2018-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:02:09.447Z","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":"2026-05-15T16:02:09.447Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:02:09.447Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}