{"id":"vidhyamitra:city-day:ayodhya:1937-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1937-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1937-10-13","date_display":"October 13, 1937 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":1937,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428819.770833,"kali_year":5039,"ahargana":1840354.2708,"sun":{"sidereal_longitude":175.7121,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":272.8676,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.1555,"elapsed_within_tithi_degrees":1.1555},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.8676,"elapsed_within_degrees":6.2009},"yoga":{"number":7,"name":"Sukarma","sum_longitude":88.5797},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":1937,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428819.770833,"ahargana":1840354.2708,"kali_year":5039,"ayanamsa_lahiri":22.9838,"grahas":{"sun":{"sidereal_longitude":176.29888099999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":270.44198099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":3.1069},"mars":{"sidereal_longitude":256.52118100000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":165.606581,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":266.57238099999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":149.734281,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":337.852681,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":229.1743,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":49.1743,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1937,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428819.770833,"kali_year":5039,"ahargana":1840354.2708,"sun":{"sidereal_longitude":175.7121,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":272.8676,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.1555,"elapsed_within_tithi_degrees":1.1555},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":272.8676,"elapsed_within_degrees":6.2009},"yoga":{"number":7,"name":"Sukarma","sum_longitude":88.5797},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.107,"elongation":97.156},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.107,"opposition_distance":82.844}},"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":"05:58","sunsetLocal":"17:35","solarNoonLocal":"11:47","dayLengthHours":11.614096837256314,"dayLengthDisplay":"11 Hours 36 Mins 51 Secs","nightLengthDisplay":"12 Hours 23 Mins 09 Secs","moonriseLocal":"12:46","moonsetLocal":"23:20","rahuKala":{"name":"Rāhu Kāla","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.23078828452245,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:25","end":"08:53","startHours":7.423739865894293,"endHours":8.875501970551332,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:20","end":"11:47","startHours":10.327264075208372,"endHours":11.779026179865411,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:04","startHours":8.681933689930393,"endHours":9.06907025117227,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:46","startHours":6.4558984627896,"endHours":6.765607711783102,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:10","startHours":11.391889618623534,"endHours":12.16616274110729,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:12","startHours":4.423431516269745,"endHours":5.1977046387535,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:00","end":"05:58","startHours":5.004136358132561,"endHours":5.9719777612372535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:29","startHours":13.714708986074797,"endHours":14.48898210855855,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.38607459849357,"endHours":17.786074598493567,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:04","startHours":17.586074598493568,"endHours":18.069995300045914,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.336074598493568,"endHours":19.086074598493568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:24","end":"00:10","startHours":23.391889618623534,"endHours":24.16616274110729,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:58","end":"07:25","startHours":5.9719777612372535,"endHours":7.423739865894293,"quality":"auspicious"},{"name":"Amṛta","start":"07:25","end":"08:53","startHours":7.423739865894293,"endHours":8.875501970551332,"quality":"auspicious"},{"name":"Kāla","start":"08:53","end":"10:20","startHours":8.875501970551332,"endHours":10.327264075208372,"quality":"inauspicious"},{"name":"Śubha","start":"10:20","end":"11:47","startHours":10.327264075208372,"endHours":11.779026179865411,"quality":"auspicious"},{"name":"Roga","start":"11:47","end":"13:14","startHours":11.779026179865411,"endHours":13.23078828452245,"quality":"inauspicious"},{"name":"Udveg","start":"13:14","end":"14:41","startHours":13.23078828452245,"endHours":14.68255038917949,"quality":"inauspicious"},{"name":"Chala","start":"14:41","end":"16:08","startHours":14.68255038917949,"endHours":16.13431249383653,"quality":"neutral"},{"name":"Labha","start":"16:08","end":"17:35","startHours":16.13431249383653,"endHours":17.586074598493568,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:35","end":"19:08","startHours":17.586074598493568,"endHours":19.13431249383653,"quality":"inauspicious"},{"name":"Chala","start":"19:08","end":"20:41","startHours":19.13431249383653,"endHours":20.68255038917949,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"22:14","startHours":20.68255038917949,"endHours":22.23078828452245,"quality":"auspicious"},{"name":"Amṛta","start":"22:14","end":"23:47","startHours":22.23078828452245,"endHours":23.77902617986541,"quality":"auspicious"},{"name":"Kāla","start":"23:47","end":"01:20","startHours":23.77902617986541,"endHours":25.327264075208372,"quality":"inauspicious"},{"name":"Śubha","start":"01:20","end":"02:53","startHours":25.327264075208372,"endHours":26.875501970551333,"quality":"auspicious"},{"name":"Roga","start":"02:53","end":"04:25","startHours":26.875501970551333,"endHours":28.42373986589429,"quality":"inauspicious"},{"name":"Udveg","start":"04:25","end":"05:58","startHours":28.42373986589429,"endHours":29.971977761237255,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.9719777612372535,"endHours":6.9719777612372535,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.9719777612372535,"endHours":7.9719777612372535,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.9719777612372535,"endHours":8.971977761237254,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.971977761237254,"endHours":9.971977761237254,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.971977761237254,"endHours":10.971977761237254,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.971977761237254,"endHours":11.971977761237254,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.971977761237254,"endHours":12.971977761237254,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.971977761237254,"endHours":13.971977761237254,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.971977761237254,"endHours":14.971977761237254,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.971977761237254,"endHours":15.971977761237254,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.971977761237254,"endHours":16.971977761237255,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.971977761237255,"endHours":17.971977761237255,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.971977761237255,"endHours":18.971977761237255,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.971977761237255,"endHours":19.971977761237255,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.971977761237255,"endHours":20.971977761237255,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.971977761237255,"endHours":21.971977761237255,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.971977761237255,"endHours":22.971977761237255,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.971977761237255,"endHours":23.971977761237255,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.971977761237255,"endHours":24.971977761237255,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.971977761237255,"endHours":25.971977761237255,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.971977761237255,"endHours":26.971977761237255,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.971977761237255,"endHours":27.971977761237255,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.971977761237255,"endHours":28.971977761237255,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.971977761237255,"endHours":29.971977761237255,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.547196171750005,"eotMinutes":14.442429208075392,"ayanamsa":22.9838}},"calendars":{"vikram_samvat":1994,"vikram_samvatsara":"Vikṛti","saka_samvat":1859,"saka_samvatsara":"Īśvara","bengali_samvat":1344,"malayalam_era":1113,"nanakshahi_year":468,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Navamī · Vikram 1994 Vikṛti · Śaka 1859 Īśvara"},"festivals":[{"id":"mahanavami","name":"Mahā-Navamī","name_sanskrit":"महानवमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"9th day of Śāradīya Navrātri; Devī's final victory.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 October 13, 1937 CE · Ayodhyā · Vidhyamitra","description":"October 13, 1937 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:58, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1937-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1937-10-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1937-10-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1937-10-13","x-default":"https://vidhyamitra.com/city/ayodhya/1937-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:25:07.433Z","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":"2026-05-31T15:25:07.433Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:25:07.433Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}