{"id":"vidhyamitra:city-day:dwarka:2131-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2131-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-10-01","date_display":"October 1, 2131 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":2131,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499664.770833,"kali_year":5233,"ahargana":1911199.2708,"sun":{"sidereal_longitude":160.719,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":269.795,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.076,"elapsed_within_tithi_degrees":1.076},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":269.795,"elapsed_within_degrees":3.1283},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.514},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2131,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499664.770833,"ahargana":1911199.2708,"kali_year":5233,"ayanamsa_lahiri":25.6934,"grahas":{"sun":{"sidereal_longitude":161.78388100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":267.75318100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-1.1127},"mars":{"sidereal_longitude":19.786381000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":180.32908099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":62.97478100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":181.03338099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":196.79708099999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":75.4653,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.4653,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"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":2131,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499664.770833,"kali_year":5233,"ahargana":1911199.2708,"sun":{"sidereal_longitude":160.719,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":269.795,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.076,"elapsed_within_tithi_degrees":1.076},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":269.795,"elapsed_within_degrees":3.1283},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.514},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.113,"elongation":109.076},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.113,"opposition_distance":70.924}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:44","sunsetLocal":"18:42","solarNoonLocal":"12:43","dayLengthHours":11.958254929920109,"dayLengthDisplay":"11 Hours 57 Mins 30 Secs","nightLengthDisplay":"12 Hours 02 Mins 30 Secs","moonriseLocal":"14:21","moonsetLocal":"01:13","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:44","startHours":8.231618331503554,"endHours":9.726400197743569,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:13","end":"12:43","startHours":11.221182063983582,"endHours":12.715963930223595,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:13","end":"15:42","startHours":14.210745796463609,"endHours":15.705527662703624,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.527095948911565,"endHours":9.925704446575569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:33","startHours":7.235097087343545,"endHours":7.553983885474748,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:07","startHours":12.31735543255959,"endHours":13.114572427887598,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:09","end":"05:56","startHours":5.142402474607526,"endHours":5.939619469935534,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:44","startHours":5.740315221103532,"endHours":6.736836465263541,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:30","startHours":14.709006418543613,"endHours":15.50622341387162,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.49509139518365,"endHours":18.89509139518365,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:12","startHours":18.69509139518365,"endHours":19.193352017263653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.44509139518365,"endHours":20.19509139518365,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:07","startHours":24.31735543255959,"endHours":25.114572427887598,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:44","end":"08:14","startHours":6.736836465263541,"endHours":8.231618331503554,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:44","startHours":8.231618331503554,"endHours":9.726400197743569,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:13","startHours":9.726400197743569,"endHours":11.221182063983582,"quality":"auspicious"},{"name":"Roga","start":"11:13","end":"12:43","startHours":11.221182063983582,"endHours":12.715963930223595,"quality":"inauspicious"},{"name":"Udveg","start":"12:43","end":"14:13","startHours":12.715963930223595,"endHours":14.210745796463609,"quality":"inauspicious"},{"name":"Chala","start":"14:13","end":"15:42","startHours":14.210745796463609,"endHours":15.705527662703624,"quality":"neutral"},{"name":"Labha","start":"15:42","end":"17:12","startHours":15.705527662703624,"endHours":17.200309528943635,"quality":"auspicious"},{"name":"Amṛta","start":"17:12","end":"18:42","startHours":17.200309528943635,"endHours":18.69509139518365,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:42","end":"20:12","startHours":18.69509139518365,"endHours":20.200309528943635,"quality":"neutral"},{"name":"Labha","start":"20:12","end":"21:42","startHours":20.200309528943635,"endHours":21.705527662703624,"quality":"auspicious"},{"name":"Amṛta","start":"21:42","end":"23:13","startHours":21.705527662703624,"endHours":23.21074579646361,"quality":"auspicious"},{"name":"Kāla","start":"23:13","end":"00:43","startHours":23.21074579646361,"endHours":24.715963930223595,"quality":"inauspicious"},{"name":"Śubha","start":"00:43","end":"02:13","startHours":24.715963930223595,"endHours":26.22118206398358,"quality":"auspicious"},{"name":"Roga","start":"02:13","end":"03:44","startHours":26.22118206398358,"endHours":27.726400197743565,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:14","startHours":27.726400197743565,"endHours":29.231618331503554,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:44","startHours":29.231618331503554,"endHours":30.73683646526354,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.736836465263541,"endHours":7.736836465263541,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.736836465263541,"endHours":8.73683646526354,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.73683646526354,"endHours":9.73683646526354,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.73683646526354,"endHours":10.73683646526354,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.73683646526354,"endHours":11.73683646526354,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.73683646526354,"endHours":12.73683646526354,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.73683646526354,"endHours":13.73683646526354,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.73683646526354,"endHours":14.73683646526354,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.73683646526354,"endHours":15.73683646526354,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.73683646526354,"endHours":16.73683646526354,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.73683646526354,"endHours":17.73683646526354,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.73683646526354,"endHours":18.73683646526354,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.73683646526354,"endHours":19.73683646526354,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.73683646526354,"endHours":20.73683646526354,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.73683646526354,"endHours":21.73683646526354,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.73683646526354,"endHours":22.73683646526354,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.73683646526354,"endHours":23.73683646526354,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.73683646526354,"endHours":24.73683646526354,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.73683646526354,"endHours":25.73683646526354,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.73683646526354,"endHours":26.73683646526354,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.73683646526354,"endHours":27.73683646526354,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.73683646526354,"endHours":28.73683646526354,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.73683646526354,"endHours":29.73683646526354,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.73683646526354,"endHours":30.73683646526354,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-2.966848601599925,"eotMinutes":11.167764186584405,"ayanamsa":25.6934}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Daśamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 1, 2131 CE · Dvārakā · Vidhyamitra","description":"October 1, 2131 CE for Dvārakā: Śukla Daśamī, sūryodaya 06:44, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2131-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2131-10-01","sa":"https://sa.vidhyamitra.com/city/dwarka/2131-10-01","hi":"https://hi.vidhyamitra.com/city/dwarka/2131-10-01","x-default":"https://vidhyamitra.com/city/dwarka/2131-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T07:39:41.470Z","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":"2026-05-17T07:39:41.470Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T07:39:41.470Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}