{"id":"vidhyamitra:city-day:jamnagar:1887-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1887-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1887-01-31","date_display":"January 31, 1887 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":1887,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410302.770833,"kali_year":4988,"ahargana":1821837.2708,"sun":{"sidereal_longitude":288.9029,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":7.7468,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.8439,"elapsed_within_tithi_degrees":6.8439},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.7468,"elapsed_within_degrees":7.7468},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.6497},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1887,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2410302.770833,"ahargana":1821837.2708,"kali_year":4988,"ayanamsa_lahiri":22.2756,"grahas":{"sun":{"sidereal_longitude":288.619367,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":3.8511669999999754,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-3.7921},"mars":{"sidereal_longitude":309.044167,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.485367,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":194.914667,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":304.24696700000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":85.97496699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":130.2941,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.2941,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":1887,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410302.770833,"kali_year":4988,"ahargana":1821837.2708,"sun":{"sidereal_longitude":288.9029,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":7.7468,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.8439,"elapsed_within_tithi_degrees":6.8439},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.7468,"elapsed_within_degrees":7.7468},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.6497},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.792,"elongation":78.844},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.792,"opposition_distance":101.156}},"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":"18:37","solarNoonLocal":"13:03","dayLengthHours":11.128052770938503,"dayLengthDisplay":"11 Hours 07 Mins 41 Secs","nightLengthDisplay":"12 Hours 52 Mins 19 Secs","moonriseLocal":"11:45","moonsetLocal":"00:24","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:16","startHours":8.881960019928762,"endHours":10.272966616296074,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:40","end":"13:03","startHours":11.663973212663388,"endHours":13.054979809030701,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:27","end":"15:50","startHours":14.445986405398013,"endHours":15.836993001765325,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:28","startHours":10.087499070113767,"endHours":10.458434162478383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.9546222890172205,"endHours":8.251370362908913,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.684044716666085,"endHours":13.425914901395318,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:45","startHours":6.007213054102982,"endHours":6.749083238832216,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:29","startHours":6.563615692649908,"endHours":7.490953423561449,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.909655270853783,"endHours":15.651525455583016,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.419006194499953,"endHours":18.819006194499952,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:05","startHours":18.619006194499953,"endHours":19.082675059955722,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.369006194499953,"endHours":20.119006194499953,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.684044716666083,"endHours":25.42591490139532,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:29","end":"08:53","startHours":7.490953423561449,"endHours":8.881960019928762,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:16","startHours":8.881960019928762,"endHours":10.272966616296074,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:40","startHours":10.272966616296074,"endHours":11.663973212663388,"quality":"auspicious"},{"name":"Roga","start":"11:40","end":"13:03","startHours":11.663973212663388,"endHours":13.054979809030701,"quality":"inauspicious"},{"name":"Udveg","start":"13:03","end":"14:27","startHours":13.054979809030701,"endHours":14.445986405398013,"quality":"inauspicious"},{"name":"Chala","start":"14:27","end":"15:50","startHours":14.445986405398013,"endHours":15.836993001765325,"quality":"neutral"},{"name":"Labha","start":"15:50","end":"17:14","startHours":15.836993001765325,"endHours":17.22799959813264,"quality":"auspicious"},{"name":"Amṛta","start":"17:14","end":"18:37","startHours":17.22799959813264,"endHours":18.619006194499953,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:37","end":"20:14","startHours":18.619006194499953,"endHours":20.22799959813264,"quality":"neutral"},{"name":"Labha","start":"20:14","end":"21:50","startHours":20.22799959813264,"endHours":21.83699300176533,"quality":"auspicious"},{"name":"Amṛta","start":"21:50","end":"23:27","startHours":21.83699300176533,"endHours":23.445986405398013,"quality":"auspicious"},{"name":"Kāla","start":"23:27","end":"01:03","startHours":23.445986405398013,"endHours":25.0549798090307,"quality":"inauspicious"},{"name":"Śubha","start":"01:03","end":"02:40","startHours":25.0549798090307,"endHours":26.66397321266339,"quality":"auspicious"},{"name":"Roga","start":"02:40","end":"04:16","startHours":26.66397321266339,"endHours":28.272966616296074,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:53","startHours":28.272966616296074,"endHours":29.881960019928762,"quality":"inauspicious"},{"name":"Chala","start":"05:53","end":"07:29","startHours":29.881960019928762,"endHours":31.49095342356145,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.490953423561449,"endHours":8.49095342356145,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.49095342356145,"endHours":9.49095342356145,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.49095342356145,"endHours":10.49095342356145,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.49095342356145,"endHours":11.49095342356145,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.49095342356145,"endHours":12.49095342356145,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.49095342356145,"endHours":13.49095342356145,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.49095342356145,"endHours":14.49095342356145,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.49095342356145,"endHours":15.49095342356145,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.49095342356145,"endHours":16.49095342356145,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.49095342356145,"endHours":17.49095342356145,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.49095342356145,"endHours":18.49095342356145,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.49095342356145,"endHours":19.49095342356145,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.49095342356145,"endHours":20.49095342356145,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.49095342356145,"endHours":21.49095342356145,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.49095342356145,"endHours":22.49095342356145,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.49095342356145,"endHours":23.49095342356145,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.49095342356145,"endHours":24.49095342356145,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.49095342356145,"endHours":25.49095342356145,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.49095342356145,"endHours":26.49095342356145,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.49095342356145,"endHours":27.49095342356145,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.49095342356145,"endHours":28.49095342356145,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.49095342356145,"endHours":29.49095342356145,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.49095342356145,"endHours":30.49095342356145,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.49095342356145,"endHours":31.49095342356145,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.496667905008778,"eotMinutes":-13.52958854184206,"ayanamsa":22.2756}},"calendars":{"vikram_samvat":1944,"vikram_samvatsara":"Śārvarī","saka_samvat":1809,"saka_samvatsara":"Sarvajit","bengali_samvat":1294,"malayalam_era":1063,"nanakshahi_year":418,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Saptamī · Vikram 1944 Śārvarī · Śaka 1809 Sarvajit"},"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 January 31, 1887 CE · Jamnagar, Gujarat · Vidhyamitra","description":"January 31, 1887 CE for Jamnagar, Gujarat: Śukla Saptamī, sūryodaya 07:29, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1887-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1887-01-31","sa":"https://sa.vidhyamitra.com/city/jamnagar/1887-01-31","hi":"https://hi.vidhyamitra.com/city/jamnagar/1887-01-31","x-default":"https://vidhyamitra.com/city/jamnagar/1887-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T17:11:06.474Z","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":"2026-06-01T17:11:06.474Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T17:11:06.474Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}