{"id":"vidhyamitra:city-day:ayodhya:2031-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2031-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-09-17","date_display":"September 17, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463126.770833,"kali_year":5133,"ahargana":1874661.2708,"sun":{"sidereal_longitude":148.8726,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":151.6177,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.7451,"elapsed_within_tithi_degrees":2.7451},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.6177,"elapsed_within_degrees":4.951},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.4903},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2031,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463126.770833,"ahargana":1874661.2708,"kali_year":5133,"ayanamsa_lahiri":24.296,"grahas":{"sun":{"sidereal_longitude":149.679102,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":152.68420200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-3.8885},"mars":{"sidereal_longitude":229.26620200000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":143.049302,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":236.34440200000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":109.27610200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":58.25380200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":211.4244,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.4244,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463126.770833,"kali_year":5133,"ahargana":1874661.2708,"sun":{"sidereal_longitude":148.8726,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":151.6177,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.7451,"elapsed_within_tithi_degrees":2.7451},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.6177,"elapsed_within_degrees":4.951},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.4903},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.888,"elongation":2.745},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.888,"opposition_distance":177.255}},"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":"05:46","sunsetLocal":"18:04","solarNoonLocal":"11:55","dayLengthHours":12.285832809473995,"dayLengthDisplay":"12 Hours 17 Mins 09 Secs","nightLengthDisplay":"11 Hours 42 Mins 51 Secs","moonriseLocal":"06:02","moonsetLocal":"18:12","rahuKala":{"name":"Rāhu Kāla","start":"11:55","end":"13:27","startHours":11.915740604077204,"endHours":13.451469705261452,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:19","end":"08:51","startHours":7.308553300524455,"endHours":8.844282401708703,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:23","end":"11:55","startHours":10.380011502892954,"endHours":11.915740604077204,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.639518521550805,"endHours":9.049046281866604,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.284733899734955,"endHours":6.612356107987595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:20","startHours":11.506212843761404,"endHours":12.325268364393004,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:57","startHours":4.134713158077006,"endHours":4.953768678708606,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:46","startHours":4.749004798550706,"endHours":5.772824199340206,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:47","startHours":13.963379405656202,"endHours":14.7824349262878,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.858657008814202,"endHours":18.2586570088142,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:34","startHours":18.0586570088142,"endHours":18.57056670920895,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.8086570088142,"endHours":19.5586570088142,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:20","startHours":23.506212843761404,"endHours":24.325268364393004,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:46","end":"07:19","startHours":5.772824199340206,"endHours":7.308553300524455,"quality":"auspicious"},{"name":"Amṛta","start":"07:19","end":"08:51","startHours":7.308553300524455,"endHours":8.844282401708703,"quality":"auspicious"},{"name":"Kāla","start":"08:51","end":"10:23","startHours":8.844282401708703,"endHours":10.380011502892954,"quality":"inauspicious"},{"name":"Śubha","start":"10:23","end":"11:55","startHours":10.380011502892954,"endHours":11.915740604077204,"quality":"auspicious"},{"name":"Roga","start":"11:55","end":"13:27","startHours":11.915740604077204,"endHours":13.451469705261452,"quality":"inauspicious"},{"name":"Udveg","start":"13:27","end":"14:59","startHours":13.451469705261452,"endHours":14.9871988064457,"quality":"inauspicious"},{"name":"Chala","start":"14:59","end":"16:31","startHours":14.9871988064457,"endHours":16.522927907629953,"quality":"neutral"},{"name":"Labha","start":"16:31","end":"18:04","startHours":16.522927907629953,"endHours":18.0586570088142,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:04","end":"19:31","startHours":18.0586570088142,"endHours":19.522927907629953,"quality":"inauspicious"},{"name":"Chala","start":"19:31","end":"20:59","startHours":19.522927907629953,"endHours":20.987198806445704,"quality":"neutral"},{"name":"Labha","start":"20:59","end":"22:27","startHours":20.987198806445704,"endHours":22.451469705261452,"quality":"auspicious"},{"name":"Amṛta","start":"22:27","end":"23:55","startHours":22.451469705261452,"endHours":23.915740604077204,"quality":"auspicious"},{"name":"Kāla","start":"23:55","end":"01:23","startHours":23.915740604077204,"endHours":25.380011502892955,"quality":"inauspicious"},{"name":"Śubha","start":"01:23","end":"02:51","startHours":25.380011502892955,"endHours":26.844282401708703,"quality":"auspicious"},{"name":"Roga","start":"02:51","end":"04:19","startHours":26.844282401708703,"endHours":28.308553300524455,"quality":"inauspicious"},{"name":"Udveg","start":"04:19","end":"05:46","startHours":28.308553300524455,"endHours":29.772824199340207,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.772824199340206,"endHours":6.772824199340206,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.772824199340206,"endHours":7.772824199340206,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.772824199340206,"endHours":8.772824199340207,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.772824199340207,"endHours":9.772824199340207,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.772824199340207,"endHours":10.772824199340207,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.772824199340207,"endHours":11.772824199340207,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.772824199340207,"endHours":12.772824199340207,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.772824199340207,"endHours":13.772824199340207,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.772824199340207,"endHours":14.772824199340207,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.772824199340207,"endHours":15.772824199340207,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.772824199340207,"endHours":16.772824199340207,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.772824199340207,"endHours":17.772824199340207,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.772824199340207,"endHours":18.772824199340207,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.772824199340207,"endHours":19.772824199340207,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.772824199340207,"endHours":20.772824199340207,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.772824199340207,"endHours":21.772824199340207,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.772824199340207,"endHours":22.772824199340207,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.772824199340207,"endHours":23.772824199340207,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.772824199340207,"endHours":24.772824199340207,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.772824199340207,"endHours":25.772824199340207,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.772824199340207,"endHours":26.772824199340207,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.772824199340207,"endHours":27.772824199340207,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.772824199340207,"endHours":28.772824199340207,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.772824199340207,"endHours":29.772824199340207,"planetary_lord":"Sun"}],"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":["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":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.3925790904155955,"eotMinutes":6.239563755367786,"ayanamsa":24.296}},"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 Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[],"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":"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 17, 2031 CE · Ayodhyā · Vidhyamitra","description":"September 17, 2031 CE for Ayodhyā: Śukla Pratipada, sūryodaya 05:46, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2031-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2031-09-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2031-09-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2031-09-17","x-default":"https://vidhyamitra.com/city/ayodhya/2031-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T10:54:34.269Z","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":"2026-09-11T10:54:34.269Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T10:54:34.269Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}