{"id":"vidhyamitra:city-day:jamnagar:1861-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1861-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1861-02-01","date_display":"February 1, 1861 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":1861,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400807.770833,"kali_year":4962,"ahargana":1812342.2708,"sun":{"sidereal_longitude":290.667,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":180.1898,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.5228,"elapsed_within_tithi_degrees":9.5228},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":180.1898,"elapsed_within_degrees":6.8565},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8568},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1861,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2400807.770833,"ahargana":1812342.2708,"kali_year":4962,"ayanamsa_lahiri":21.9125,"grahas":{"sun":{"sidereal_longitude":290.31194600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":182.23244599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-4.493},"mars":{"sidereal_longitude":358.679246,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":292.70994599999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":122.50234599999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":267.44004599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":137.165546,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":273.3849,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":93.3849,"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":1861,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400807.770833,"kali_year":4962,"ahargana":1812342.2708,"sun":{"sidereal_longitude":290.667,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":180.1898,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":249.5228,"elapsed_within_tithi_degrees":9.5228},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":180.1898,"elapsed_within_degrees":6.8565},"yoga":{"number":9,"name":"Śūla","sum_longitude":110.8568},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.493,"elongation":110.477},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.493,"opposition_distance":69.523}},"eclipse_window_40days":[{"offset_days":-5,"type":"lunar","occurs":true,"moon_latitude":-1.146,"opposition_distance":2.865}]},"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":11.150173689674467,"dayLengthDisplay":"11 Hours 09 Mins 01 Secs","nightLengthDisplay":"12 Hours 50 Mins 59 Secs","moonriseLocal":"00:04","moonsetLocal":"11:38","rahuKala":{"name":"Rāhu Kāla","start":"11:40","end":"13:03","startHours":11.663870757413953,"endHours":13.05764246862326,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:51","end":"17:14","startHours":15.845185891041877,"endHours":17.238957602251187,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:53","end":"10:16","startHours":8.876327334995334,"endHours":10.270099046204644,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.084262818043403,"endHours":10.455935274365885,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.94714619418913,"endHours":8.244484159247115,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.685970012300778,"endHours":13.429314924945743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:44","startHours":5.995865798496098,"endHours":6.739210711141062,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:29","startHours":6.553374482979821,"endHours":7.482555623786027,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:40","startHours":14.916004750235672,"endHours":15.659349662880636,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.432729313460495,"endHours":18.832729313460494,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:06","startHours":18.632729313460494,"endHours":19.097319883863598,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.382729313460494,"endHours":20.132729313460494,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.68597001230078,"endHours":25.429314924945743,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:29","end":"08:53","startHours":7.482555623786027,"endHours":8.876327334995334,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:16","startHours":8.876327334995334,"endHours":10.270099046204644,"quality":"auspicious"},{"name":"Amṛta","start":"10:16","end":"11:40","startHours":10.270099046204644,"endHours":11.663870757413953,"quality":"auspicious"},{"name":"Kāla","start":"11:40","end":"13:03","startHours":11.663870757413953,"endHours":13.05764246862326,"quality":"inauspicious"},{"name":"Śubha","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.451414179832568,"quality":"auspicious"},{"name":"Roga","start":"14:27","end":"15:51","startHours":14.451414179832568,"endHours":15.845185891041877,"quality":"inauspicious"},{"name":"Udveg","start":"15:51","end":"17:14","startHours":15.845185891041877,"endHours":17.238957602251187,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:38","startHours":17.238957602251187,"endHours":18.632729313460494,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:38","end":"20:14","startHours":18.632729313460494,"endHours":20.238957602251187,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:51","startHours":20.238957602251187,"endHours":21.84518589104188,"quality":"inauspicious"},{"name":"Chala","start":"21:51","end":"23:27","startHours":21.84518589104188,"endHours":23.451414179832568,"quality":"neutral"},{"name":"Labha","start":"23:27","end":"01:03","startHours":23.451414179832568,"endHours":25.05764246862326,"quality":"auspicious"},{"name":"Amṛta","start":"01:03","end":"02:40","startHours":25.05764246862326,"endHours":26.663870757413953,"quality":"auspicious"},{"name":"Kāla","start":"02:40","end":"04:16","startHours":26.663870757413953,"endHours":28.270099046204642,"quality":"inauspicious"},{"name":"Śubha","start":"04:16","end":"05:53","startHours":28.270099046204642,"endHours":29.876327334995334,"quality":"auspicious"},{"name":"Roga","start":"05:53","end":"07:29","startHours":29.876327334995334,"endHours":31.482555623786027,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.482555623786027,"endHours":8.482555623786027,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.482555623786027,"endHours":9.482555623786027,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.482555623786027,"endHours":10.482555623786027,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.482555623786027,"endHours":11.482555623786027,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.482555623786027,"endHours":12.482555623786027,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.482555623786027,"endHours":13.482555623786027,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.482555623786027,"endHours":14.482555623786027,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.482555623786027,"endHours":15.482555623786027,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.482555623786027,"endHours":16.482555623786027,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.482555623786027,"endHours":17.482555623786027,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.482555623786027,"endHours":18.482555623786027,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.482555623786027,"endHours":19.482555623786027,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.482555623786027,"endHours":20.482555623786027,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.482555623786027,"endHours":21.482555623786027,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.482555623786027,"endHours":22.482555623786027,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.482555623786027,"endHours":23.482555623786027,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.482555623786027,"endHours":24.482555623786027,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.482555623786027,"endHours":25.482555623786027,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.482555623786027,"endHours":26.482555623786027,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.482555623786027,"endHours":27.482555623786027,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.482555623786027,"endHours":28.482555623786027,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.482555623786027,"endHours":29.482555623786027,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.482555623786027,"endHours":30.482555623786027,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.482555623786027,"endHours":31.482555623786027,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","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":-17.129237490786743,"eotMinutes":-13.689348117395623,"ayanamsa":21.9125}},"calendars":{"vikram_samvat":1918,"vikram_samvatsara":"Bhāva","saka_samvat":1783,"saka_samvatsara":"Durmati","bengali_samvat":1268,"malayalam_era":1037,"nanakshahi_year":392,"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 Ṣaṣṭhī · Vikram 1918 Bhāva · Śaka 1783 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 1861 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 1, 1861 CE for Jamnagar, Gujarat: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1861-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1861-02-01","sa":"https://sa.vidhyamitra.com/city/jamnagar/1861-02-01","hi":"https://hi.vidhyamitra.com/city/jamnagar/1861-02-01","x-default":"https://vidhyamitra.com/city/jamnagar/1861-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:02:42.041Z","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":"2026-06-02T16:02:42.041Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:02:42.041Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}