{"id":"vidhyamitra:city-day:ayodhya:2031-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2031-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-09-07","date_display":"September 7, 2031 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":2031,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463116.770833,"kali_year":5133,"ahargana":1874651.2708,"sun":{"sidereal_longitude":139.173,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":29.9997,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.8267,"elapsed_within_tithi_degrees":10.8267},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.9997,"elapsed_within_degrees":3.333},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.1727},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2031,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463116.770833,"ahargana":1874651.2708,"kali_year":5133,"ayanamsa_lahiri":24.2956,"grahas":{"sun":{"sidereal_longitude":139.95388400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":31.45428400000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":0.1533},"mars":{"sidereal_longitude":222.89408400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":124.681284,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":235.54738399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":105.687884,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":57.83928400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":211.9542,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.9542,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463116.770833,"kali_year":5133,"ahargana":1874651.2708,"sun":{"sidereal_longitude":139.173,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":29.9997,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.8267,"elapsed_within_tithi_degrees":10.8267},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.9997,"elapsed_within_degrees":3.333},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.1727},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.153,"elongation":109.173},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.153,"opposition_distance":70.827}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:42","sunsetLocal":"18:15","solarNoonLocal":"11:59","dayLengthHours":12.544680331870875,"dayLengthDisplay":"12 Hours 32 Mins 41 Secs","nightLengthDisplay":"11 Hours 27 Mins 19 Secs","moonriseLocal":"22:01","moonsetLocal":"11:28","rahuKala":{"name":"Rāhu Kāla","start":"16:41","end":"18:15","startHours":16.6813534749342,"endHours":18.24943851641806,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:59","end":"13:33","startHours":11.977098350482622,"endHours":13.545183391966482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:07","end":"16:41","startHours":15.11326843345034,"endHours":16.6813534749342,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.631850261983722,"endHours":9.050006273046085,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:34","startHours":6.227453198375137,"endHours":6.5619780072250276,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:24","startHours":11.558942339420259,"endHours":12.395254361544985,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:52","startHours":4.032134140297734,"endHours":4.86844616242246,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:40","end":"05:42","startHours":4.659368156891278,"endHours":5.704758184547185,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:54","startHours":14.067878405794435,"endHours":14.90419042791916,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.04943851641806,"endHours":18.44943851641806,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:46","startHours":18.24943851641806,"endHours":18.772133530246013,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.99943851641806,"endHours":19.74943851641806,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:24","startHours":23.55894233942026,"endHours":24.395254361544982,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:42","end":"07:16","startHours":5.704758184547185,"endHours":7.2728432260310445,"quality":"inauspicious"},{"name":"Chala","start":"07:16","end":"08:50","startHours":7.2728432260310445,"endHours":8.840928267514904,"quality":"neutral"},{"name":"Labha","start":"08:50","end":"10:25","startHours":8.840928267514904,"endHours":10.409013308998762,"quality":"auspicious"},{"name":"Amṛta","start":"10:25","end":"11:59","startHours":10.409013308998762,"endHours":11.977098350482622,"quality":"auspicious"},{"name":"Kāla","start":"11:59","end":"13:33","startHours":11.977098350482622,"endHours":13.545183391966482,"quality":"inauspicious"},{"name":"Śubha","start":"13:33","end":"15:07","startHours":13.545183391966482,"endHours":15.11326843345034,"quality":"auspicious"},{"name":"Roga","start":"15:07","end":"16:41","startHours":15.11326843345034,"endHours":16.6813534749342,"quality":"inauspicious"},{"name":"Udveg","start":"16:41","end":"18:15","startHours":16.6813534749342,"endHours":18.24943851641806,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:15","end":"19:41","startHours":18.24943851641806,"endHours":19.681353474934202,"quality":"auspicious"},{"name":"Roga","start":"19:41","end":"21:07","startHours":19.681353474934202,"endHours":21.11326843345034,"quality":"inauspicious"},{"name":"Udveg","start":"21:07","end":"22:33","startHours":21.11326843345034,"endHours":22.545183391966482,"quality":"inauspicious"},{"name":"Chala","start":"22:33","end":"23:59","startHours":22.545183391966482,"endHours":23.97709835048262,"quality":"neutral"},{"name":"Labha","start":"23:59","end":"01:25","startHours":23.97709835048262,"endHours":25.409013308998762,"quality":"auspicious"},{"name":"Amṛta","start":"01:25","end":"02:50","startHours":25.409013308998762,"endHours":26.840928267514904,"quality":"auspicious"},{"name":"Kāla","start":"02:50","end":"04:16","startHours":26.840928267514904,"endHours":28.272843226031043,"quality":"inauspicious"},{"name":"Śubha","start":"04:16","end":"05:42","startHours":28.272843226031043,"endHours":29.704758184547185,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.704758184547185,"endHours":6.704758184547185,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.704758184547185,"endHours":7.704758184547185,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.704758184547185,"endHours":8.704758184547185,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.704758184547185,"endHours":9.704758184547185,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.704758184547185,"endHours":10.704758184547185,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.704758184547185,"endHours":11.704758184547185,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.704758184547185,"endHours":12.704758184547185,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.704758184547185,"endHours":13.704758184547185,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.704758184547185,"endHours":14.704758184547185,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.704758184547185,"endHours":15.704758184547185,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.704758184547185,"endHours":16.704758184547185,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.704758184547185,"endHours":17.704758184547185,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.704758184547185,"endHours":18.704758184547185,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.704758184547185,"endHours":19.704758184547185,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.704758184547185,"endHours":20.704758184547185,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.704758184547185,"endHours":21.704758184547185,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.704758184547185,"endHours":22.704758184547185,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.704758184547185,"endHours":23.704758184547185,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.704758184547185,"endHours":24.704758184547185,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.704758184547185,"endHours":25.704758184547185,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.704758184547185,"endHours":26.704758184547185,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.704758184547185,"endHours":27.704758184547185,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.704758184547185,"endHours":28.704758184547185,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.704758184547185,"endHours":29.704758184547185,"planetary_lord":"Jupiter"}],"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","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.1979695936378025,"eotMinutes":2.5580989710426816,"ayanamsa":24.2956}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ṣaṣṭhī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"balarama-jayanti","name":"Balarāma Jayantī (Hala-Ṣaṣṭhī)","name_sanskrit":"बलराम जयन्ती","tradition":"Vaishnava","associated_deity":"Balarāma (Krishna's elder brother; ādi-śeṣa)","significance":"Birth of Bala-deva, Krishna's elder brother and Saṅkarṣaṇa.","vrata":true,"detection":{"tithi_number":21,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3,"sources":["Bhāgavata 10.2-3"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 7, 2031 CE · Ayodhyā · Vidhyamitra","description":"September 7, 2031 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:42, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2031-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2031-09-07","sa":"https://sa.vidhyamitra.com/city/ayodhya/2031-09-07","hi":"https://hi.vidhyamitra.com/city/ayodhya/2031-09-07","x-default":"https://vidhyamitra.com/city/ayodhya/2031-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:45:35.365Z","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":"2026-05-15T05:45:35.365Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:45:35.365Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}