{"id":"vidhyamitra:city-day:ayodhya:2309-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2309-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2309-07-31","date_display":"July 31, 2309 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":2309,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564615.770833,"kali_year":5411,"ahargana":1976150.2708,"sun":{"sidereal_longitude":98.0996,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":8.6329,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.5333,"elapsed_within_tithi_degrees":6.5333},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.6329,"elapsed_within_degrees":8.6329},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.7325},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2309,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2564615.770833,"ahargana":1976150.2708,"kali_year":5411,"ayanamsa_lahiri":28.1775,"grahas":{"sun":{"sidereal_longitude":99.34617600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":7.50017600000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":3.2034},"mars":{"sidereal_longitude":144.000676,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":75.42357600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":53.43447600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":140.59697599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":204.832176,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":234.0487,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":54.0487,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2309,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2564615.770833,"kali_year":5411,"ahargana":1976150.2708,"sun":{"sidereal_longitude":98.0996,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":8.6329,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.5333,"elapsed_within_tithi_degrees":6.5333},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.6329,"elapsed_within_degrees":8.6329},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.7325},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.203,"elongation":89.467},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.203,"opposition_distance":90.533}},"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":"05:25","sunsetLocal":"18:50","solarNoonLocal":"12:07","dayLengthHours":13.422034290824293,"dayLengthDisplay":"13 Hours 25 Mins 19 Secs","nightLengthDisplay":"10 Hours 34 Mins 41 Secs","moonriseLocal":"23:29","moonsetLocal":"12:30","rahuKala":{"name":"Rāhu Kāla","start":"08:46","end":"10:27","startHours":8.76541433583311,"endHours":10.443168622186146,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:48","end":"15:29","startHours":13.798677194892218,"endHours":15.476431481245257,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:25","end":"07:05","startHours":5.409905763127036,"endHours":7.087660049480073,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.541713764319372,"endHours":8.989114907346847,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.969157191911382,"endHours":6.327078106333363,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.673521765511705,"endHours":12.568324051566659,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:31","startHours":3.6203011910171305,"endHours":4.515103477072084,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:17","end":"05:25","startHours":4.291402905558345,"endHours":5.409905763127036,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:15","startHours":14.357928623676564,"endHours":15.252730909731516,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.63194005395133,"endHours":19.031940053951327,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:23","startHours":18.831940053951328,"endHours":19.391191482735675,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.581940053951328,"endHours":20.331940053951328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.673521765511705,"endHours":24.56832405156666,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:25","end":"07:05","startHours":5.409905763127036,"endHours":7.087660049480073,"quality":"inauspicious"},{"name":"Śubha","start":"07:05","end":"08:46","startHours":7.087660049480073,"endHours":8.76541433583311,"quality":"auspicious"},{"name":"Roga","start":"08:46","end":"10:27","startHours":8.76541433583311,"endHours":10.443168622186146,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:07","startHours":10.443168622186146,"endHours":12.120922908539182,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:48","startHours":12.120922908539182,"endHours":13.798677194892218,"quality":"neutral"},{"name":"Labha","start":"13:48","end":"15:29","startHours":13.798677194892218,"endHours":15.476431481245257,"quality":"auspicious"},{"name":"Amṛta","start":"15:29","end":"17:09","startHours":15.476431481245257,"endHours":17.154185767598293,"quality":"auspicious"},{"name":"Kāla","start":"17:09","end":"18:50","startHours":17.154185767598293,"endHours":18.831940053951328,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:50","end":"20:09","startHours":18.831940053951328,"endHours":20.154185767598293,"quality":"auspicious"},{"name":"Amṛta","start":"20:09","end":"21:29","startHours":20.154185767598293,"endHours":21.476431481245257,"quality":"auspicious"},{"name":"Kāla","start":"21:29","end":"22:48","startHours":21.476431481245257,"endHours":22.798677194892218,"quality":"inauspicious"},{"name":"Śubha","start":"22:48","end":"00:07","startHours":22.798677194892218,"endHours":24.120922908539182,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:27","startHours":24.120922908539182,"endHours":25.443168622186146,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:46","startHours":25.443168622186146,"endHours":26.765414335833107,"quality":"inauspicious"},{"name":"Chala","start":"02:46","end":"04:05","startHours":26.765414335833107,"endHours":28.08766004948007,"quality":"neutral"},{"name":"Labha","start":"04:05","end":"05:25","startHours":28.08766004948007,"endHours":29.409905763127036,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.409905763127036,"endHours":6.409905763127036,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.409905763127036,"endHours":7.409905763127036,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.409905763127036,"endHours":8.409905763127036,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.409905763127036,"endHours":9.409905763127036,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.409905763127036,"endHours":10.409905763127036,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.409905763127036,"endHours":11.409905763127036,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.409905763127036,"endHours":12.409905763127036,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.409905763127036,"endHours":13.409905763127036,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.409905763127036,"endHours":14.409905763127036,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.409905763127036,"endHours":15.409905763127036,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.409905763127036,"endHours":16.409905763127036,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.409905763127036,"endHours":17.409905763127036,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.409905763127036,"endHours":18.409905763127036,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.409905763127036,"endHours":19.409905763127036,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.409905763127036,"endHours":20.409905763127036,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.409905763127036,"endHours":21.409905763127036,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.409905763127036,"endHours":22.409905763127036,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.409905763127036,"endHours":23.409905763127036,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.409905763127036,"endHours":24.409905763127036,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.409905763127036,"endHours":25.409905763127036,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.409905763127036,"endHours":26.409905763127036,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.409905763127036,"endHours":27.409905763127036,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.409905763127036,"endHours":28.409905763127036,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.409905763127036,"endHours":29.409905763127036,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","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":18.38751698487999,"eotMinutes":-6.071374512350812,"ayanamsa":28.1775}},"calendars":{"vikram_samvat":2366,"vikram_samvatsara":"Śubhakṛt","saka_samvat":2231,"saka_samvatsara":"Virodhi","bengali_samvat":1716,"malayalam_era":1485,"nanakshahi_year":840,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa 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 Kṛṣṇa Aṣṭamī · Vikram 2366 Śubhakṛt · Śaka 2231 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 July 31, 2309 CE · Ayodhyā · Vidhyamitra","description":"July 31, 2309 CE for Ayodhyā: Kṛṣṇa Aṣṭamī, sūryodaya 05:25, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2309-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2309-07-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2309-07-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2309-07-31","x-default":"https://vidhyamitra.com/city/ayodhya/2309-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:10:02.048Z","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":"2026-06-02T21:10:02.048Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:10:02.048Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}