{"id":"vidhyamitra:city-day:jamnagar:1971-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1971-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-02-07","date_display":"February 7, 1971 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":1971,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440989.770833,"kali_year":5072,"ahargana":1852524.2708,"sun":{"sidereal_longitude":294.2744,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.5263,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.2519,"elapsed_within_tithi_degrees":10.2519},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.5263,"elapsed_within_degrees":9.8596},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.8007},"karana":{"half_tithi_index":23,"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":1971,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440989.770833,"ahargana":1852524.2708,"kali_year":5072,"ayanamsa_lahiri":23.4493,"grahas":{"sun":{"sidereal_longitude":294.152298,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":77.493898,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":3.3333},"mars":{"sidereal_longitude":226.324698,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":275.763598,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":220.85589800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":248.451998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":23.05409800000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":304.3492,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":124.3492,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1971,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440989.770833,"kali_year":5072,"ahargana":1852524.2708,"sun":{"sidereal_longitude":294.2744,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":76.5263,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.2519,"elapsed_within_tithi_degrees":10.2519},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":76.5263,"elapsed_within_degrees":9.8596},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.8007},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.333,"elongation":142.252},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.333,"opposition_distance":37.748}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.69,"opposition_distance":1.965}]},"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":"07:27","sunsetLocal":"18:41","solarNoonLocal":"13:04","dayLengthHours":11.243899392670356,"dayLengthDisplay":"11 Hours 14 Mins 38 Secs","nightLengthDisplay":"12 Hours 45 Mins 22 Secs","moonriseLocal":"15:54","moonsetLocal":"05:21","rahuKala":{"name":"Rāhu Kāla","start":"17:17","end":"18:41","startHours":17.28557648074083,"endHours":18.691063904824624,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:04","end":"14:28","startHours":13.069114208489445,"endHours":14.47460163257324,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:53","end":"17:17","startHours":15.880089056657035,"endHours":17.28557648074083,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:04","end":"10:27","startHours":10.070741037110684,"endHours":10.44553768353303,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:55","end":"08:13","startHours":7.9156603201822,"endHours":8.215497637320077,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:42","end":"13:27","startHours":12.6943175620671,"endHours":13.44391085491179,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:57","end":"06:42","startHours":5.947977926464888,"endHours":6.6975712193095776,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:31","end":"07:27","startHours":6.510172896098405,"endHours":7.447164512154268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:57","end":"15:42","startHours":14.943097440601171,"endHours":15.692690733445861,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.491063904824625,"endHours":18.891063904824623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:10","startHours":18.691063904824624,"endHours":19.159559712852555,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.441063904824624,"endHours":20.191063904824624,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:42","end":"01:27","startHours":24.6943175620671,"endHours":25.443910854911792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:27","end":"08:51","startHours":7.447164512154268,"endHours":8.852651936238063,"quality":"inauspicious"},{"name":"Chala","start":"08:51","end":"10:15","startHours":8.852651936238063,"endHours":10.258139360321858,"quality":"neutral"},{"name":"Labha","start":"10:15","end":"11:40","startHours":10.258139360321858,"endHours":11.66362678440565,"quality":"auspicious"},{"name":"Amṛta","start":"11:40","end":"13:04","startHours":11.66362678440565,"endHours":13.069114208489445,"quality":"auspicious"},{"name":"Kāla","start":"13:04","end":"14:28","startHours":13.069114208489445,"endHours":14.47460163257324,"quality":"inauspicious"},{"name":"Śubha","start":"14:28","end":"15:53","startHours":14.47460163257324,"endHours":15.880089056657035,"quality":"auspicious"},{"name":"Roga","start":"15:53","end":"17:17","startHours":15.880089056657035,"endHours":17.28557648074083,"quality":"inauspicious"},{"name":"Udveg","start":"17:17","end":"18:41","startHours":17.28557648074083,"endHours":18.691063904824624,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:41","end":"20:17","startHours":18.691063904824624,"endHours":20.28557648074083,"quality":"auspicious"},{"name":"Roga","start":"20:17","end":"21:53","startHours":20.28557648074083,"endHours":21.880089056657035,"quality":"inauspicious"},{"name":"Udveg","start":"21:53","end":"23:28","startHours":21.880089056657035,"endHours":23.47460163257324,"quality":"inauspicious"},{"name":"Chala","start":"23:28","end":"01:04","startHours":23.47460163257324,"endHours":25.069114208489445,"quality":"neutral"},{"name":"Labha","start":"01:04","end":"02:40","startHours":25.069114208489445,"endHours":26.66362678440565,"quality":"auspicious"},{"name":"Amṛta","start":"02:40","end":"04:15","startHours":26.66362678440565,"endHours":28.258139360321856,"quality":"auspicious"},{"name":"Kāla","start":"04:15","end":"05:51","startHours":28.258139360321856,"endHours":29.85265193623806,"quality":"inauspicious"},{"name":"Śubha","start":"05:51","end":"07:27","startHours":29.85265193623806,"endHours":31.447164512154266,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.447164512154268,"endHours":8.447164512154268,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.447164512154268,"endHours":9.447164512154268,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.447164512154268,"endHours":10.447164512154268,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.447164512154268,"endHours":11.447164512154268,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.447164512154268,"endHours":12.447164512154268,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.447164512154268,"endHours":13.447164512154268,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.447164512154268,"endHours":14.447164512154268,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.447164512154268,"endHours":15.447164512154268,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.447164512154268,"endHours":16.447164512154266,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.447164512154266,"endHours":17.447164512154266,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.447164512154266,"endHours":18.447164512154266,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.447164512154266,"endHours":19.447164512154266,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.447164512154266,"endHours":20.447164512154266,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.447164512154266,"endHours":21.447164512154266,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.447164512154266,"endHours":22.447164512154266,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.447164512154266,"endHours":23.447164512154266,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.447164512154266,"endHours":24.447164512154266,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.447164512154266,"endHours":25.447164512154266,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.447164512154266,"endHours":26.447164512154266,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.447164512154266,"endHours":27.447164512154266,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.447164512154266,"endHours":28.447164512154266,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.447164512154266,"endHours":29.447164512154266,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.447164512154266,"endHours":30.447164512154266,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.447164512154266,"endHours":31.447164512154266,"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":-15.556218320425744,"eotMinutes":-14.37765250936663,"ayanamsa":23.4493}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"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 Dvādaśī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"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":[]},"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 7, 1971 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 7, 1971 CE for Jamnagar, Gujarat: Śukla Dvādaśī, sūryodaya 07:27, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1971-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1971-02-07","sa":"https://sa.vidhyamitra.com/city/jamnagar/1971-02-07","hi":"https://hi.vidhyamitra.com/city/jamnagar/1971-02-07","x-default":"https://vidhyamitra.com/city/jamnagar/1971-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:26:48.526Z","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":"2026-06-02T09:26:48.526Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:26:48.526Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}