{"id":"vidhyamitra:city-day:jamnagar:2177-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2177-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-07-31","date_display":"July 31, 2177 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":2177,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516404.770833,"kali_year":5279,"ahargana":1927939.2708,"sun":{"sidereal_longitude":101.0956,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.3787,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.2831,"elapsed_within_tithi_degrees":10.2831},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.3787,"elapsed_within_degrees":11.3787},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.4744},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2177,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516404.770833,"ahargana":1927939.2708,"kali_year":5279,"ayanamsa_lahiri":26.3336,"grahas":{"sun":{"sidereal_longitude":102.04169000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":174.55669,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":-4.4652},"mars":{"sidereal_longitude":112.16208999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":83.66678999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":9.765789999999981,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":70.85439000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":37.82829000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":268.4995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":88.4995,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2177,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516404.770833,"kali_year":5279,"ahargana":1927939.2708,"sun":{"sidereal_longitude":101.0956,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":171.3787,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.2831,"elapsed_within_tithi_degrees":10.2831},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.3787,"elapsed_within_degrees":11.3787},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.4744},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.465,"elongation":70.283},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.465,"opposition_distance":109.717}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-0.46,"opposition_distance":1.553}]},"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":"06:21","sunsetLocal":"19:31","solarNoonLocal":"12:56","dayLengthHours":13.167977025974542,"dayLengthDisplay":"13 Hours 10 Mins 05 Secs","nightLengthDisplay":"10 Hours 49 Mins 55 Secs","moonriseLocal":"11:57","moonsetLocal":"23:35","rahuKala":{"name":"Rāhu Kāla","start":"14:35","end":"16:13","startHours":14.576673370119334,"endHours":16.22267049836615,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:21","end":"08:00","startHours":6.346687728885245,"endHours":7.992684857132063,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:38","end":"11:17","startHours":9.63868198537888,"endHours":11.284679113625698,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:51","startHours":9.419215701612638,"endHours":9.858148269145122,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:15","startHours":6.895353438300851,"endHours":7.246499492326839,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:22","startHours":12.49174367434003,"endHours":13.369608809405,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:35","end":"05:28","startHours":4.590957458755306,"endHours":5.468822593820275,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:15","end":"06:21","startHours":5.249356310054033,"endHours":6.346687728885245,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:08","end":"16:00","startHours":15.125339079534939,"endHours":16.003204214599908,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:19","end":"19:43","startHours":19.314664754859788,"endHours":19.714664754859786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:31","end":"20:04","startHours":19.514664754859787,"endHours":20.063330464275392,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:16","end":"21:01","startHours":19.264664754859787,"endHours":21.014664754859787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:22","startHours":24.49174367434003,"endHours":25.369608809405,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:21","end":"08:00","startHours":6.346687728885245,"endHours":7.992684857132063,"quality":"auspicious"},{"name":"Roga","start":"08:00","end":"09:38","startHours":7.992684857132063,"endHours":9.63868198537888,"quality":"inauspicious"},{"name":"Udveg","start":"09:38","end":"11:17","startHours":9.63868198537888,"endHours":11.284679113625698,"quality":"inauspicious"},{"name":"Chala","start":"11:17","end":"12:56","startHours":11.284679113625698,"endHours":12.930676241872515,"quality":"neutral"},{"name":"Labha","start":"12:56","end":"14:35","startHours":12.930676241872515,"endHours":14.576673370119334,"quality":"auspicious"},{"name":"Amṛta","start":"14:35","end":"16:13","startHours":14.576673370119334,"endHours":16.22267049836615,"quality":"auspicious"},{"name":"Kāla","start":"16:13","end":"17:52","startHours":16.22267049836615,"endHours":17.868667626612968,"quality":"inauspicious"},{"name":"Śubha","start":"17:52","end":"19:31","startHours":17.868667626612968,"endHours":19.514664754859787,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:31","end":"20:52","startHours":19.514664754859787,"endHours":20.868667626612968,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:13","startHours":20.868667626612968,"endHours":22.222670498366153,"quality":"inauspicious"},{"name":"Śubha","start":"22:13","end":"23:35","startHours":22.222670498366153,"endHours":23.576673370119334,"quality":"auspicious"},{"name":"Roga","start":"23:35","end":"00:56","startHours":23.576673370119334,"endHours":24.930676241872515,"quality":"inauspicious"},{"name":"Udveg","start":"00:56","end":"02:17","startHours":24.930676241872515,"endHours":26.2846791136257,"quality":"inauspicious"},{"name":"Chala","start":"02:17","end":"03:38","startHours":26.2846791136257,"endHours":27.63868198537888,"quality":"neutral"},{"name":"Labha","start":"03:38","end":"05:00","startHours":27.63868198537888,"endHours":28.992684857132062,"quality":"auspicious"},{"name":"Amṛta","start":"05:00","end":"06:21","startHours":28.992684857132062,"endHours":30.346687728885243,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.346687728885245,"endHours":7.346687728885245,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.346687728885245,"endHours":8.346687728885245,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.346687728885245,"endHours":9.346687728885245,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.346687728885245,"endHours":10.346687728885245,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.346687728885245,"endHours":11.346687728885245,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.346687728885245,"endHours":12.346687728885245,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.346687728885245,"endHours":13.346687728885245,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.346687728885245,"endHours":14.346687728885245,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.346687728885245,"endHours":15.346687728885245,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.346687728885245,"endHours":16.346687728885243,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.346687728885243,"endHours":17.346687728885243,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.346687728885243,"endHours":18.346687728885243,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.346687728885243,"endHours":19.346687728885243,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.346687728885243,"endHours":20.346687728885243,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.346687728885243,"endHours":21.346687728885243,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.346687728885243,"endHours":22.346687728885243,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.346687728885243,"endHours":23.346687728885243,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.346687728885243,"endHours":24.346687728885243,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.346687728885243,"endHours":25.346687728885243,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.346687728885243,"endHours":26.346687728885243,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.346687728885243,"endHours":27.346687728885243,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.346687728885243,"endHours":28.346687728885243,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.346687728885243,"endHours":29.346687728885243,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.346687728885243,"endHours":30.346687728885243,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.168153106254294,"eotMinutes":-6.071374512350812,"ayanamsa":26.3336}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"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 2234 Vikṛti · Śaka 2099 Īśvara"},"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 31, 2177 CE · Jamnagar, Gujarat · Vidhyamitra","description":"July 31, 2177 CE for Jamnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:21, sūryāsta 19:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2177-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2177-07-31","sa":"https://sa.vidhyamitra.com/city/jamnagar/2177-07-31","hi":"https://hi.vidhyamitra.com/city/jamnagar/2177-07-31","x-default":"https://vidhyamitra.com/city/jamnagar/2177-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:03:08.048Z","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":"2026-06-01T12:03:08.048Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:03:08.048Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}