{"id":"vidhyamitra:city-day:jamnagar:2121-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2121-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-05-18","date_display":"May 18, 2121 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":2121,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495876.770833,"kali_year":5223,"ahargana":1907411.2708,"sun":{"sidereal_longitude":31.3079,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":49.2717,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.9638,"elapsed_within_tithi_degrees":5.9638},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2717,"elapsed_within_degrees":9.2717},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.5796},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2121,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495876.770833,"ahargana":1907411.2708,"kali_year":5223,"ayanamsa_lahiri":25.5485,"grahas":{"sun":{"sidereal_longitude":31.61751099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":48.09011099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":3.2842},"mars":{"sidereal_longitude":118.42441099999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":26.12531100000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":88.16821099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":344.389211,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":65.74291099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":276.1718,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":96.1718,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"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":2121,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495876.770833,"kali_year":5223,"ahargana":1907411.2708,"sun":{"sidereal_longitude":31.3079,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":49.2717,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.9638,"elapsed_within_tithi_degrees":5.9638},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.2717,"elapsed_within_degrees":9.2717},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.5796},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.284,"elongation":17.964},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.284,"opposition_distance":162.036}},"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":"06:08","sunsetLocal":"19:24","solarNoonLocal":"12:46","dayLengthHours":13.25353109283311,"dayLengthDisplay":"13 Hours 15 Mins 13 Secs","nightLengthDisplay":"10 Hours 44 Mins 47 Secs","moonriseLocal":"07:10","moonsetLocal":"20:34","rahuKala":{"name":"Rāhu Kāla","start":"17:44","end":"19:24","startHours":17.738074456637925,"endHours":19.394765843242062,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:46","end":"14:25","startHours":12.768000296825509,"endHours":14.424691683429646,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:05","end":"17:44","startHours":16.081383070033784,"endHours":17.738074456637925,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:41","startHours":9.23372533873668,"endHours":9.675509708497781,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:03","startHours":6.693465212610333,"endHours":7.0468927084192154,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:13","startHours":12.326215927064403,"endHours":13.20978466658661,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:15","startHours":4.374097271364538,"endHours":5.257666010886745,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:08","startHours":5.036773826006193,"endHours":6.141234750408953,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:52","startHours":14.976922145631026,"endHours":15.860490885153233,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.194765843242063,"endHours":19.59476584324206,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:57","startHours":19.394765843242062,"endHours":19.94699630544344,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.144765843242062,"endHours":20.894765843242062,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:13","startHours":24.326215927064403,"endHours":25.209784666586607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:08","end":"07:48","startHours":6.141234750408953,"endHours":7.797926137013091,"quality":"inauspicious"},{"name":"Chala","start":"07:48","end":"09:27","startHours":7.797926137013091,"endHours":9.45461752361723,"quality":"neutral"},{"name":"Labha","start":"09:27","end":"11:07","startHours":9.45461752361723,"endHours":11.111308910221368,"quality":"auspicious"},{"name":"Amṛta","start":"11:07","end":"12:46","startHours":11.111308910221368,"endHours":12.768000296825509,"quality":"auspicious"},{"name":"Kāla","start":"12:46","end":"14:25","startHours":12.768000296825509,"endHours":14.424691683429646,"quality":"inauspicious"},{"name":"Śubha","start":"14:25","end":"16:05","startHours":14.424691683429646,"endHours":16.081383070033784,"quality":"auspicious"},{"name":"Roga","start":"16:05","end":"17:44","startHours":16.081383070033784,"endHours":17.738074456637925,"quality":"inauspicious"},{"name":"Udveg","start":"17:44","end":"19:24","startHours":17.738074456637925,"endHours":19.394765843242062,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:24","end":"20:44","startHours":19.394765843242062,"endHours":20.738074456637925,"quality":"auspicious"},{"name":"Roga","start":"20:44","end":"22:05","startHours":20.738074456637925,"endHours":22.081383070033784,"quality":"inauspicious"},{"name":"Udveg","start":"22:05","end":"23:25","startHours":22.081383070033784,"endHours":23.424691683429646,"quality":"inauspicious"},{"name":"Chala","start":"23:25","end":"00:46","startHours":23.424691683429646,"endHours":24.768000296825505,"quality":"neutral"},{"name":"Labha","start":"00:46","end":"02:07","startHours":24.768000296825505,"endHours":26.111308910221368,"quality":"auspicious"},{"name":"Amṛta","start":"02:07","end":"03:27","startHours":26.111308910221368,"endHours":27.45461752361723,"quality":"auspicious"},{"name":"Kāla","start":"03:27","end":"04:48","startHours":27.45461752361723,"endHours":28.797926137013093,"quality":"inauspicious"},{"name":"Śubha","start":"04:48","end":"06:08","startHours":28.797926137013093,"endHours":30.14123475040895,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.141234750408953,"endHours":7.141234750408953,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.141234750408953,"endHours":8.141234750408952,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.141234750408952,"endHours":9.141234750408952,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.141234750408952,"endHours":10.141234750408952,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.141234750408952,"endHours":11.141234750408952,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.141234750408952,"endHours":12.141234750408952,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.141234750408952,"endHours":13.141234750408952,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.141234750408952,"endHours":14.141234750408952,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.141234750408952,"endHours":15.141234750408952,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.141234750408952,"endHours":16.14123475040895,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.14123475040895,"endHours":17.14123475040895,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.14123475040895,"endHours":18.14123475040895,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.14123475040895,"endHours":19.14123475040895,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.14123475040895,"endHours":20.14123475040895,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.14123475040895,"endHours":21.14123475040895,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.14123475040895,"endHours":22.14123475040895,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.14123475040895,"endHours":23.14123475040895,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.14123475040895,"endHours":24.14123475040895,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.14123475040895,"endHours":25.14123475040895,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.14123475040895,"endHours":26.14123475040895,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.14123475040895,"endHours":27.14123475040895,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.14123475040895,"endHours":28.14123475040895,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.14123475040895,"endHours":29.14123475040895,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.14123475040895,"endHours":30.14123475040895,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.52345715470585,"eotMinutes":3.6891821904695723,"ayanamsa":25.5485}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvitīyā · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 18, 2121 CE · Jamnagar, Gujarat · Vidhyamitra","description":"May 18, 2121 CE for Jamnagar, Gujarat: Śukla Dvitīyā, sūryodaya 06:08, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2121-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2121-05-18","sa":"https://sa.vidhyamitra.com/city/jamnagar/2121-05-18","hi":"https://hi.vidhyamitra.com/city/jamnagar/2121-05-18","x-default":"https://vidhyamitra.com/city/jamnagar/2121-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:54:43.418Z","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":"2026-06-01T21:54:43.418Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:54:43.418Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}