{"id":"vidhyamitra:city-day:jamnagar:1971-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1971-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-07-28","date_display":"July 28, 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":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441160.770833,"kali_year":5073,"ahargana":1852695.2708,"sun":{"sidereal_longitude":100.4345,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":166.9862,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5517,"elapsed_within_tithi_degrees":6.5517},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.9862,"elapsed_within_degrees":6.9862},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.4207},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441160.770833,"ahargana":1852695.2708,"kali_year":5073,"ayanamsa_lahiri":23.4558,"grahas":{"sun":{"sidereal_longitude":100.87726399999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":164.258964,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-3.53},"mars":{"sidereal_longitude":297.08076400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":128.417664,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":213.90006399999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":92.84696400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":41.04256399999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":295.2888,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":115.2888,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"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":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441160.770833,"kali_year":5073,"ahargana":1852695.2708,"sun":{"sidereal_longitude":100.4345,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":166.9862,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5517,"elapsed_within_tithi_degrees":6.5517},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":166.9862,"elapsed_within_degrees":6.9862},"yoga":{"number":21,"name":"Siddha","sum_longitude":267.4207},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.53,"elongation":66.552},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.53,"opposition_distance":113.448}},"eclipse_window_40days":[{"offset_days":10,"type":"lunar","occurs":true,"moon_latitude":-0.252,"opposition_distance":1.604}]},"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":"06:19","sunsetLocal":"19:33","solarNoonLocal":"12:56","dayLengthHours":13.231311373056087,"dayLengthDisplay":"13 Hours 13 Mins 53 Secs","nightLengthDisplay":"10 Hours 46 Mins 07 Secs","moonriseLocal":"11:12","moonsetLocal":"23:07","rahuKala":{"name":"Rāhu Kāla","start":"12:56","end":"14:35","startHours":12.93232587794002,"endHours":14.58623979957203,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:58","end":"09:37","startHours":7.970584113043988,"endHours":9.624498034675998,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:17","end":"12:56","startHours":11.278411956308009,"endHours":12.93232587794002,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:51","startHours":9.403976178458397,"endHours":9.8450198908936,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:13","startHours":6.867974831955981,"endHours":7.220809801904143,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:22","startHours":12.491282165504817,"endHours":13.373369590375223,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:33","end":"05:26","startHours":4.5524953416711655,"endHours":5.434582766541571,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:19","startHours":5.21406091032397,"endHours":6.316670191411977,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:08","end":"16:01","startHours":15.137544440116034,"endHours":16.01963186498644,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:21","end":"19:45","startHours":19.347981564468064,"endHours":19.747981564468063,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:33","end":"20:06","startHours":19.547981564468063,"endHours":20.099286205012067,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:18","end":"21:03","startHours":19.297981564468063,"endHours":21.047981564468063,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:22","startHours":24.491282165504817,"endHours":25.373369590375223,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:19","end":"07:58","startHours":6.316670191411977,"endHours":7.970584113043988,"quality":"auspicious"},{"name":"Amṛta","start":"07:58","end":"09:37","startHours":7.970584113043988,"endHours":9.624498034675998,"quality":"auspicious"},{"name":"Kāla","start":"09:37","end":"11:17","startHours":9.624498034675998,"endHours":11.278411956308009,"quality":"inauspicious"},{"name":"Śubha","start":"11:17","end":"12:56","startHours":11.278411956308009,"endHours":12.93232587794002,"quality":"auspicious"},{"name":"Roga","start":"12:56","end":"14:35","startHours":12.93232587794002,"endHours":14.58623979957203,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"16:14","startHours":14.58623979957203,"endHours":16.24015372120404,"quality":"inauspicious"},{"name":"Chala","start":"16:14","end":"17:54","startHours":16.24015372120404,"endHours":17.894067642836053,"quality":"neutral"},{"name":"Labha","start":"17:54","end":"19:33","startHours":17.894067642836053,"endHours":19.547981564468063,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:33","end":"20:54","startHours":19.547981564468063,"endHours":20.894067642836053,"quality":"inauspicious"},{"name":"Chala","start":"20:54","end":"22:14","startHours":20.894067642836053,"endHours":22.24015372120404,"quality":"neutral"},{"name":"Labha","start":"22:14","end":"23:35","startHours":22.24015372120404,"endHours":23.58623979957203,"quality":"auspicious"},{"name":"Amṛta","start":"23:35","end":"00:56","startHours":23.58623979957203,"endHours":24.93232587794002,"quality":"auspicious"},{"name":"Kāla","start":"00:56","end":"02:17","startHours":24.93232587794002,"endHours":26.27841195630801,"quality":"inauspicious"},{"name":"Śubha","start":"02:17","end":"03:37","startHours":26.27841195630801,"endHours":27.624498034675998,"quality":"auspicious"},{"name":"Roga","start":"03:37","end":"04:58","startHours":27.624498034675998,"endHours":28.970584113043987,"quality":"inauspicious"},{"name":"Udveg","start":"04:58","end":"06:19","startHours":28.970584113043987,"endHours":30.316670191411976,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.316670191411977,"endHours":7.316670191411977,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.316670191411977,"endHours":8.316670191411976,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.316670191411976,"endHours":9.316670191411976,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.316670191411976,"endHours":10.316670191411976,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.316670191411976,"endHours":11.316670191411976,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.316670191411976,"endHours":12.316670191411976,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.316670191411976,"endHours":13.316670191411976,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.316670191411976,"endHours":14.316670191411976,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.316670191411976,"endHours":15.316670191411976,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.316670191411976,"endHours":16.316670191411976,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.316670191411976,"endHours":17.316670191411976,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.316670191411976,"endHours":18.316670191411976,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.316670191411976,"endHours":19.316670191411976,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.316670191411976,"endHours":20.316670191411976,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.316670191411976,"endHours":21.316670191411976,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.316670191411976,"endHours":22.316670191411976,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.316670191411976,"endHours":23.316670191411976,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.316670191411976,"endHours":24.316670191411976,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.316670191411976,"endHours":25.316670191411976,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.316670191411976,"endHours":26.316670191411976,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.316670191411976,"endHours":27.316670191411976,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.316670191411976,"endHours":28.316670191411976,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.316670191411976,"endHours":29.316670191411976,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.316670191411976,"endHours":30.316670191411976,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.173917693674966,"eotMinutes":-6.170352676401169,"ayanamsa":23.4558}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 July 28, 1971 CE · Jamnagar, Gujarat · Vidhyamitra","description":"July 28, 1971 CE for Jamnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:19, sūryāsta 19:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1971-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1971-07-28","sa":"https://sa.vidhyamitra.com/city/jamnagar/1971-07-28","hi":"https://hi.vidhyamitra.com/city/jamnagar/1971-07-28","x-default":"https://vidhyamitra.com/city/jamnagar/1971-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:38:32.317Z","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":"2026-05-31T19:38:32.317Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:38:32.317Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}