{"id":"vidhyamitra:city-day:jamnagar:2100-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2100-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2100-02-01","date_display":"February 1, 2100 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":2100,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488100.770833,"kali_year":5201,"ahargana":1899635.2708,"sun":{"sidereal_longitude":286.7414,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":183.627,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.8856,"elapsed_within_tithi_degrees":4.8856},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":183.627,"elapsed_within_degrees":10.2937},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.3684},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2100,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488100.770833,"ahargana":1899635.2708,"kali_year":5201,"ayanamsa_lahiri":25.2511,"grahas":{"sun":{"sidereal_longitude":286.966911,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":185.88051099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":-2.6079},"mars":{"sidereal_longitude":17.49171100000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":299.073611,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":176.633911,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":329.92891099999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":180.12641099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":328.1817,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.1817,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2100,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488100.770833,"kali_year":5201,"ahargana":1899635.2708,"sun":{"sidereal_longitude":286.7414,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":183.627,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":256.8856,"elapsed_within_tithi_degrees":4.8856},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":183.627,"elapsed_within_degrees":10.2937},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.3684},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.608,"elongation":103.114},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.608,"opposition_distance":76.886}},"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":"07:29","sunsetLocal":"18:38","solarNoonLocal":"13:03","dayLengthHours":11.150065556323703,"dayLengthDisplay":"11 Hours 09 Mins 00 Secs","nightLengthDisplay":"12 Hours 51 Mins 00 Secs","moonriseLocal":"00:36","moonsetLocal":"12:02","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:16","startHours":8.876367885001873,"endHours":10.270126079542337,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:40","end":"13:03","startHours":11.663884274082799,"endHours":13.05764246862326,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:27","end":"15:51","startHours":14.451400663163724,"endHours":15.845158857704188,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.084291653603607,"endHours":10.455960505481064,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.947195755308231,"endHours":8.244530836810195,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.685973616745803,"endHours":13.429311320500718,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:44","startHours":5.995934282951582,"endHours":6.7392719867064965,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:29","startHours":6.553437560767768,"endHours":7.48260969046141,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:40","startHours":14.915986728010544,"endHours":15.659324431765459,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.432675246785113,"endHours":18.83267524678511,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:06","startHours":18.632675246785112,"endHours":19.097261311631932,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.382675246785112,"endHours":20.132675246785112,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.685973616745805,"endHours":25.429311320500716,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:29","end":"08:53","startHours":7.48260969046141,"endHours":8.876367885001873,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:16","startHours":8.876367885001873,"endHours":10.270126079542337,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:40","startHours":10.270126079542337,"endHours":11.663884274082799,"quality":"auspicious"},{"name":"Roga","start":"11:40","end":"13:03","startHours":11.663884274082799,"endHours":13.05764246862326,"quality":"inauspicious"},{"name":"Udveg","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.451400663163724,"quality":"inauspicious"},{"name":"Chala","start":"14:27","end":"15:51","startHours":14.451400663163724,"endHours":15.845158857704188,"quality":"neutral"},{"name":"Labha","start":"15:51","end":"17:14","startHours":15.845158857704188,"endHours":17.23891705224465,"quality":"auspicious"},{"name":"Amṛta","start":"17:14","end":"18:38","startHours":17.23891705224465,"endHours":18.632675246785112,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:38","end":"20:14","startHours":18.632675246785112,"endHours":20.23891705224465,"quality":"neutral"},{"name":"Labha","start":"20:14","end":"21:51","startHours":20.23891705224465,"endHours":21.845158857704185,"quality":"auspicious"},{"name":"Amṛta","start":"21:51","end":"23:27","startHours":21.845158857704185,"endHours":23.451400663163724,"quality":"auspicious"},{"name":"Kāla","start":"23:27","end":"01:03","startHours":23.451400663163724,"endHours":25.05764246862326,"quality":"inauspicious"},{"name":"Śubha","start":"01:03","end":"02:40","startHours":25.05764246862326,"endHours":26.663884274082797,"quality":"auspicious"},{"name":"Roga","start":"02:40","end":"04:16","startHours":26.663884274082797,"endHours":28.270126079542337,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:53","startHours":28.270126079542337,"endHours":29.876367885001873,"quality":"inauspicious"},{"name":"Chala","start":"05:53","end":"07:29","startHours":29.876367885001873,"endHours":31.48260969046141,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.48260969046141,"endHours":8.482609690461409,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.482609690461409,"endHours":9.482609690461409,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.482609690461409,"endHours":10.482609690461409,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.482609690461409,"endHours":11.482609690461409,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.482609690461409,"endHours":12.482609690461409,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.482609690461409,"endHours":13.482609690461409,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.482609690461409,"endHours":14.482609690461409,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.482609690461409,"endHours":15.482609690461409,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.482609690461409,"endHours":16.48260969046141,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.48260969046141,"endHours":17.48260969046141,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.48260969046141,"endHours":18.48260969046141,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.48260969046141,"endHours":19.48260969046141,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.48260969046141,"endHours":20.48260969046141,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.48260969046141,"endHours":21.48260969046141,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.48260969046141,"endHours":22.48260969046141,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.48260969046141,"endHours":23.48260969046141,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.48260969046141,"endHours":24.48260969046141,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.48260969046141,"endHours":25.48260969046141,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.48260969046141,"endHours":26.48260969046141,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.48260969046141,"endHours":27.48260969046141,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.48260969046141,"endHours":28.48260969046141,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.48260969046141,"endHours":29.48260969046141,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.48260969046141,"endHours":30.48260969046141,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.48260969046141,"endHours":31.48260969046141,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.131037240574894,"eotMinutes":-13.689348117395623,"ayanamsa":25.2511}},"calendars":{"vikram_samvat":2157,"vikram_samvatsara":"Śrīmukha","saka_samvat":2022,"saka_samvatsara":"Raudra","bengali_samvat":1507,"malayalam_era":1276,"nanakshahi_year":631,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2157 Śrīmukha · Śaka 2022 Raudra"},"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 February 1, 2100 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 1, 2100 CE for Jamnagar, Gujarat: Kṛṣṇa Saptamī, sūryodaya 07:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2100-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2100-02-01","sa":"https://sa.vidhyamitra.com/city/jamnagar/2100-02-01","hi":"https://hi.vidhyamitra.com/city/jamnagar/2100-02-01","x-default":"https://vidhyamitra.com/city/jamnagar/2100-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:36:16.850Z","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":"2026-06-01T08:36:16.850Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:36:16.850Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}