{"id":"vidhyamitra:city-day:ayodhya:1921-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1921-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1921-07-13","date_display":"July 13, 1921 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":1921,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422883.770833,"kali_year":5023,"ahargana":1834418.2708,"sun":{"sidereal_longitude":87.1017,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":184.9177,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.816,"elapsed_within_tithi_degrees":1.816},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.9177,"elapsed_within_degrees":11.5843},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.0193},"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":1921,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422883.770833,"ahargana":1834418.2708,"kali_year":5023,"ayanamsa_lahiri":22.7568,"grahas":{"sun":{"sidereal_longitude":87.33398,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":187.86108000000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":0.0961},"mars":{"sidereal_longitude":84.39228000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":80.92187999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":143.06718,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":43.123680000000036,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":147.79898000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":183.6922,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":3.6922,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1921,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422883.770833,"kali_year":5023,"ahargana":1834418.2708,"sun":{"sidereal_longitude":87.1017,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":184.9177,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":97.816,"elapsed_within_tithi_degrees":1.816},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":184.9177,"elapsed_within_degrees":11.5843},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.0193},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.096,"elongation":97.816},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.096,"opposition_distance":82.184}},"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":"05:15","sunsetLocal":"18:58","solarNoonLocal":"12:07","dayLengthHours":13.702027165249461,"dayLengthDisplay":"13 Hours 42 Mins 07 Secs","nightLengthDisplay":"10 Hours 17 Mins 53 Secs","moonriseLocal":"13:10","moonsetLocal":"00:27","rahuKala":{"name":"Rāhu Kāla","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.821843876425529,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:58","end":"08:41","startHours":6.970830293800797,"endHours":8.683583689456981,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:24","end":"12:07","startHours":10.396337085113164,"endHours":12.109090480769346,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:27","end":"08:55","startHours":8.455216570036155,"endHours":8.911950808877805,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.828994696696675,"endHours":6.194382087769994,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.652356241927697,"endHours":12.565824719610996,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:21","startHours":3.43113994277802,"endHours":4.344608420461317,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:15","startHours":4.116241301040493,"endHours":5.258076898144615,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:18","startHours":14.392761674977589,"endHours":15.306230152660886,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.760104063394078,"endHours":19.160104063394076,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.960104063394077,"endHours":19.531021861946137,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.710104063394077,"endHours":20.460104063394077,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.6523562419277,"endHours":24.565824719610994,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:15","end":"06:58","startHours":5.258076898144615,"endHours":6.970830293800797,"quality":"auspicious"},{"name":"Amṛta","start":"06:58","end":"08:41","startHours":6.970830293800797,"endHours":8.683583689456981,"quality":"auspicious"},{"name":"Kāla","start":"08:41","end":"10:24","startHours":8.683583689456981,"endHours":10.396337085113164,"quality":"inauspicious"},{"name":"Śubha","start":"10:24","end":"12:07","startHours":10.396337085113164,"endHours":12.109090480769346,"quality":"auspicious"},{"name":"Roga","start":"12:07","end":"13:49","startHours":12.109090480769346,"endHours":13.821843876425529,"quality":"inauspicious"},{"name":"Udveg","start":"13:49","end":"15:32","startHours":13.821843876425529,"endHours":15.534597272081712,"quality":"inauspicious"},{"name":"Chala","start":"15:32","end":"17:15","startHours":15.534597272081712,"endHours":17.247350667737894,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"18:58","startHours":17.247350667737894,"endHours":18.960104063394077,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:58","end":"20:15","startHours":18.960104063394077,"endHours":20.247350667737894,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:32","startHours":20.247350667737894,"endHours":21.53459727208171,"quality":"neutral"},{"name":"Labha","start":"21:32","end":"22:49","startHours":21.53459727208171,"endHours":22.82184387642553,"quality":"auspicious"},{"name":"Amṛta","start":"22:49","end":"00:07","startHours":22.82184387642553,"endHours":24.109090480769346,"quality":"auspicious"},{"name":"Kāla","start":"00:07","end":"01:24","startHours":24.109090480769346,"endHours":25.396337085113164,"quality":"inauspicious"},{"name":"Śubha","start":"01:24","end":"02:41","startHours":25.396337085113164,"endHours":26.68358368945698,"quality":"auspicious"},{"name":"Roga","start":"02:41","end":"03:58","startHours":26.68358368945698,"endHours":27.970830293800798,"quality":"inauspicious"},{"name":"Udveg","start":"03:58","end":"05:15","startHours":27.970830293800798,"endHours":29.258076898144616,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.258076898144615,"endHours":6.258076898144615,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.258076898144615,"endHours":7.258076898144615,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.258076898144615,"endHours":8.258076898144616,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.258076898144616,"endHours":9.258076898144616,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.258076898144616,"endHours":10.258076898144616,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.258076898144616,"endHours":11.258076898144616,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.258076898144616,"endHours":12.258076898144616,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.258076898144616,"endHours":13.258076898144616,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.258076898144616,"endHours":14.258076898144616,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.258076898144616,"endHours":15.258076898144616,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.258076898144616,"endHours":16.258076898144616,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.258076898144616,"endHours":17.258076898144616,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.258076898144616,"endHours":18.258076898144616,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.258076898144616,"endHours":19.258076898144616,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.258076898144616,"endHours":20.258076898144616,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.258076898144616,"endHours":21.258076898144616,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.258076898144616,"endHours":22.258076898144616,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.258076898144616,"endHours":23.258076898144616,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.258076898144616,"endHours":24.258076898144616,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.258076898144616,"endHours":25.258076898144616,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.258076898144616,"endHours":26.258076898144616,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.258076898144616,"endHours":27.258076898144616,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.258076898144616,"endHours":28.258076898144616,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.258076898144616,"endHours":29.258076898144616,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.93350293446036,"eotMinutes":-5.361428846160681,"ayanamsa":22.7568}},"calendars":{"vikram_samvat":1978,"vikram_samvatsara":"Bhāva","saka_samvat":1843,"saka_samvatsara":"Durmati","bengali_samvat":1328,"malayalam_era":1097,"nanakshahi_year":452,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 1978 Bhāva · Śaka 1843 Durmati"},"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 July 13, 1921 CE · Ayodhyā · Vidhyamitra","description":"July 13, 1921 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:15, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1921-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1921-07-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1921-07-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1921-07-13","x-default":"https://vidhyamitra.com/city/ayodhya/1921-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-08T07:17:45.676Z","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":"2026-08-08T07:17:45.676Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-08T07:17:45.676Z","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":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"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"}}}