{"id":"vidhyamitra:city-day:jamnagar:1866-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1866-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1866-01-28","date_display":"January 28, 1866 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":1866,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402629.770833,"kali_year":4967,"ahargana":1814164.2708,"sun":{"sidereal_longitude":286.2803,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":72.0473,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.767,"elapsed_within_tithi_degrees":1.767},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.0473,"elapsed_within_degrees":5.3807},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.3276},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1866,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402629.770833,"ahargana":1814164.2708,"kali_year":4967,"ayanamsa_lahiri":21.9822,"grahas":{"sun":{"sidereal_longitude":285.965332,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":70.369732,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-4.3504},"mars":{"sidereal_longitude":265.757932,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":267.3632319999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":267.092632,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":280.81973199999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":200.85593199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":176.8466,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":356.8466,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"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":1866,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402629.770833,"kali_year":4967,"ahargana":1814164.2708,"sun":{"sidereal_longitude":286.2803,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":72.0473,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":145.767,"elapsed_within_tithi_degrees":1.767},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.0473,"elapsed_within_degrees":5.3807},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.3276},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.35,"elongation":145.767},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.35,"opposition_distance":34.233}},"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":"07:30","sunsetLocal":"18:35","solarNoonLocal":"13:03","dayLengthHours":11.080654517056331,"dayLengthDisplay":"11 Hours 04 Mins 50 Secs","nightLengthDisplay":"12 Hours 55 Mins 10 Secs","moonriseLocal":"15:56","moonsetLocal":"05:24","rahuKala":{"name":"Rāhu Kāla","start":"17:12","end":"18:35","startHours":17.200975977810554,"endHours":18.586057792442595,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:03","end":"14:26","startHours":13.04573053391443,"endHours":14.430812348546471,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:49","end":"17:12","startHours":15.815894163178513,"endHours":17.200975977810554,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:28","startHours":10.090889329366075,"endHours":10.46024447993462,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:16","startHours":7.967097213596945,"endHours":8.26258133405178,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:25","startHours":12.676375383345885,"endHours":13.415085684482975,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:02","end":"06:46","startHours":6.027982673112088,"endHours":6.766692974249176,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:35","end":"07:30","startHours":6.582015398964904,"endHours":7.505403275386265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:38","startHours":14.892506286757152,"endHours":15.63121658789424,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.386057792442596,"endHours":18.786057792442595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:03","startHours":18.586057792442595,"endHours":19.047751730653275,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.336057792442595,"endHours":20.086057792442595,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:25","startHours":24.676375383345885,"endHours":25.415085684482975,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:30","end":"08:53","startHours":7.505403275386265,"endHours":8.890485090018306,"quality":"inauspicious"},{"name":"Chala","start":"08:53","end":"10:17","startHours":8.890485090018306,"endHours":10.275566904650347,"quality":"neutral"},{"name":"Labha","start":"10:17","end":"11:40","startHours":10.275566904650347,"endHours":11.660648719282388,"quality":"auspicious"},{"name":"Amṛta","start":"11:40","end":"13:03","startHours":11.660648719282388,"endHours":13.04573053391443,"quality":"auspicious"},{"name":"Kāla","start":"13:03","end":"14:26","startHours":13.04573053391443,"endHours":14.430812348546471,"quality":"inauspicious"},{"name":"Śubha","start":"14:26","end":"15:49","startHours":14.430812348546471,"endHours":15.815894163178513,"quality":"auspicious"},{"name":"Roga","start":"15:49","end":"17:12","startHours":15.815894163178513,"endHours":17.200975977810554,"quality":"inauspicious"},{"name":"Udveg","start":"17:12","end":"18:35","startHours":17.200975977810554,"endHours":18.586057792442595,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"20:12","startHours":18.586057792442595,"endHours":20.200975977810554,"quality":"auspicious"},{"name":"Roga","start":"20:12","end":"21:49","startHours":20.200975977810554,"endHours":21.815894163178513,"quality":"inauspicious"},{"name":"Udveg","start":"21:49","end":"23:26","startHours":21.815894163178513,"endHours":23.43081234854647,"quality":"inauspicious"},{"name":"Chala","start":"23:26","end":"01:03","startHours":23.43081234854647,"endHours":25.04573053391443,"quality":"neutral"},{"name":"Labha","start":"01:03","end":"02:40","startHours":25.04573053391443,"endHours":26.66064871928239,"quality":"auspicious"},{"name":"Amṛta","start":"02:40","end":"04:17","startHours":26.66064871928239,"endHours":28.275566904650347,"quality":"auspicious"},{"name":"Kāla","start":"04:17","end":"05:53","startHours":28.275566904650347,"endHours":29.890485090018306,"quality":"inauspicious"},{"name":"Śubha","start":"05:53","end":"07:30","startHours":29.890485090018306,"endHours":31.505403275386264,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:30","end":"08:30","startHours":7.505403275386265,"endHours":8.505403275386264,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:30","end":"09:30","startHours":8.505403275386264,"endHours":9.505403275386264,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:30","end":"10:30","startHours":9.505403275386264,"endHours":10.505403275386264,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:30","end":"11:30","startHours":10.505403275386264,"endHours":11.505403275386264,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:30","end":"12:30","startHours":11.505403275386264,"endHours":12.505403275386264,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:30","end":"13:30","startHours":12.505403275386264,"endHours":13.505403275386264,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:30","end":"14:30","startHours":13.505403275386264,"endHours":14.505403275386264,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:30","end":"15:30","startHours":14.505403275386264,"endHours":15.505403275386264,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:30","end":"16:30","startHours":15.505403275386264,"endHours":16.505403275386264,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:30","end":"17:30","startHours":16.505403275386264,"endHours":17.505403275386264,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:30","end":"18:30","startHours":17.505403275386264,"endHours":18.505403275386264,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:30","end":"19:30","startHours":18.505403275386264,"endHours":19.505403275386264,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:30","end":"20:30","startHours":19.505403275386264,"endHours":20.505403275386264,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:30","end":"21:30","startHours":20.505403275386264,"endHours":21.505403275386264,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:30","end":"22:30","startHours":21.505403275386264,"endHours":22.505403275386264,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:30","end":"23:30","startHours":22.505403275386264,"endHours":23.505403275386264,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:30","end":"00:30","startHours":23.505403275386264,"endHours":24.505403275386264,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:30","end":"01:30","startHours":24.505403275386264,"endHours":25.505403275386264,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:30","end":"02:30","startHours":25.505403275386264,"endHours":26.505403275386264,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:30","end":"03:30","startHours":26.505403275386264,"endHours":27.505403275386264,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:30","end":"04:30","startHours":27.505403275386264,"endHours":28.505403275386264,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:30","end":"05:30","startHours":28.505403275386264,"endHours":29.505403275386264,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:30","end":"06:30","startHours":29.505403275386264,"endHours":30.505403275386264,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:30","end":"07:30","startHours":30.505403275386264,"endHours":31.505403275386264,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-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":-18.278825526164596,"eotMinutes":-12.974632034865841,"ayanamsa":21.9822}},"calendars":{"vikram_samvat":1923,"vikram_samvatsara":"Pramāthi","saka_samvat":1788,"saka_samvatsara":"Akṣaya","bengali_samvat":1273,"malayalam_era":1042,"nanakshahi_year":397,"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 Trayodaśī · Vikram 1923 Pramāthi · Śaka 1788 Akṣaya"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 28, 1866 CE · Jamnagar, Gujarat · Vidhyamitra","description":"January 28, 1866 CE for Jamnagar, Gujarat: Śukla Trayodaśī, sūryodaya 07:30, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1866-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1866-01-28","sa":"https://sa.vidhyamitra.com/city/jamnagar/1866-01-28","hi":"https://hi.vidhyamitra.com/city/jamnagar/1866-01-28","x-default":"https://vidhyamitra.com/city/jamnagar/1866-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:58:25.837Z","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":"2026-06-03T01:58:25.837Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:58:25.837Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}