{"id":"vidhyamitra:city-day:ayodhya:2021-07-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2021-07-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-07-15","date_display":"July 15, 2021 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":2021,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459410.770833,"kali_year":5123,"ahargana":1870945.2708,"sun":{"sidereal_longitude":88.1665,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":149.5802,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.4136,"elapsed_within_tithi_degrees":1.4136},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5802,"elapsed_within_degrees":2.9135},"yoga":{"number":18,"name":"Varīyān","sum_longitude":237.7467},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2021,"month":7,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459410.770833,"ahargana":1870945.2708,"kali_year":5123,"ayanamsa_lahiri":24.1538,"grahas":{"sun":{"sidereal_longitude":88.64728000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":148.29928,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":4.4131},"mars":{"sidereal_longitude":116.26688000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":70.31538,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":307.05708000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":117.14707999999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":287.37088000000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":48.3159,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.3159,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2021,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459410.770833,"kali_year":5123,"ahargana":1870945.2708,"sun":{"sidereal_longitude":88.1665,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":149.5802,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.4136,"elapsed_within_tithi_degrees":1.4136},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.5802,"elapsed_within_degrees":2.9135},"yoga":{"number":18,"name":"Varīyān","sum_longitude":237.7467},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.413,"elongation":61.414},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.413,"opposition_distance":118.586}},"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":"05:17","sunsetLocal":"18:57","solarNoonLocal":"12:07","dayLengthHours":13.66769540340217,"dayLengthDisplay":"13 Hours 40 Mins 04 Secs","nightLengthDisplay":"10 Hours 19 Mins 56 Secs","moonriseLocal":"09:57","moonsetLocal":"22:14","rahuKala":{"name":"Rāhu Kāla","start":"13:49","end":"15:32","startHours":13.821255443864857,"endHours":15.529717369290125,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:17","end":"06:59","startHours":5.278945816738498,"endHours":6.98740774216377,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:42","end":"10:24","startHours":8.69586966758904,"endHours":10.404331593014312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:55","startHours":8.468074744199004,"endHours":8.923664590979078,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:13","startHours":5.848433125213589,"endHours":6.212905002637647,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.657203671659513,"endHours":12.568383365219656,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:27","end":"04:22","startHours":3.456586429618209,"endHours":4.367766123178353,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:17","startHours":4.1399711997883175,"endHours":5.278945816738498,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.390742752339946,"endHours":15.301922445900091,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.74664122014067,"endHours":19.14664122014067,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:31","startHours":18.94664122014067,"endHours":19.51612852861576,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.69664122014067,"endHours":20.44664122014067,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.657203671659513,"endHours":24.568383365219656,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:17","end":"06:59","startHours":5.278945816738498,"endHours":6.98740774216377,"quality":"auspicious"},{"name":"Roga","start":"06:59","end":"08:42","startHours":6.98740774216377,"endHours":8.69586966758904,"quality":"inauspicious"},{"name":"Udveg","start":"08:42","end":"10:24","startHours":8.69586966758904,"endHours":10.404331593014312,"quality":"inauspicious"},{"name":"Chala","start":"10:24","end":"12:07","startHours":10.404331593014312,"endHours":12.112793518439585,"quality":"neutral"},{"name":"Labha","start":"12:07","end":"13:49","startHours":12.112793518439585,"endHours":13.821255443864857,"quality":"auspicious"},{"name":"Amṛta","start":"13:49","end":"15:32","startHours":13.821255443864857,"endHours":15.529717369290125,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:14","startHours":15.529717369290125,"endHours":17.238179294715398,"quality":"inauspicious"},{"name":"Śubha","start":"17:14","end":"18:57","startHours":17.238179294715398,"endHours":18.94664122014067,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:57","end":"20:14","startHours":18.94664122014067,"endHours":20.238179294715398,"quality":"auspicious"},{"name":"Kāla","start":"20:14","end":"21:32","startHours":20.238179294715398,"endHours":21.529717369290125,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"22:49","startHours":21.529717369290125,"endHours":22.821255443864857,"quality":"auspicious"},{"name":"Roga","start":"22:49","end":"00:07","startHours":22.821255443864857,"endHours":24.112793518439585,"quality":"inauspicious"},{"name":"Udveg","start":"00:07","end":"01:24","startHours":24.112793518439585,"endHours":25.404331593014312,"quality":"inauspicious"},{"name":"Chala","start":"01:24","end":"02:42","startHours":25.404331593014312,"endHours":26.695869667589044,"quality":"neutral"},{"name":"Labha","start":"02:42","end":"03:59","startHours":26.695869667589044,"endHours":27.98740774216377,"quality":"auspicious"},{"name":"Amṛta","start":"03:59","end":"05:17","startHours":27.98740774216377,"endHours":29.2789458167385,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.278945816738498,"endHours":6.278945816738498,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.278945816738498,"endHours":7.278945816738498,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.278945816738498,"endHours":8.2789458167385,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.2789458167385,"endHours":9.2789458167385,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.2789458167385,"endHours":10.2789458167385,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.2789458167385,"endHours":11.2789458167385,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.2789458167385,"endHours":12.2789458167385,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.2789458167385,"endHours":13.2789458167385,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.2789458167385,"endHours":14.2789458167385,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.2789458167385,"endHours":15.2789458167385,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.2789458167385,"endHours":16.2789458167385,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.2789458167385,"endHours":17.2789458167385,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.2789458167385,"endHours":18.2789458167385,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.2789458167385,"endHours":19.2789458167385,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.2789458167385,"endHours":20.2789458167385,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.2789458167385,"endHours":21.2789458167385,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.2789458167385,"endHours":22.2789458167385,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.2789458167385,"endHours":23.2789458167385,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.2789458167385,"endHours":24.2789458167385,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.2789458167385,"endHours":25.2789458167385,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.2789458167385,"endHours":26.2789458167385,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.2789458167385,"endHours":27.2789458167385,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.2789458167385,"endHours":28.2789458167385,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.2789458167385,"endHours":29.2789458167385,"planetary_lord":"Moon"}],"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","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.509284704777023,"eotMinutes":-5.583611106375076,"ayanamsa":24.1538}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Ṣaṣṭhī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 15, 2021 CE · Ayodhyā · Vidhyamitra","description":"July 15, 2021 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 05:17, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2021-07-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2021-07-15","sa":"https://sa.vidhyamitra.com/city/ayodhya/2021-07-15","hi":"https://hi.vidhyamitra.com/city/ayodhya/2021-07-15","x-default":"https://vidhyamitra.com/city/ayodhya/2021-07-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T04:32:09.908Z","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":"2026-05-15T04:32:09.908Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T04:32:09.908Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}